WO2024048233A1 - 電波制御板 - Google Patents
電波制御板 Download PDFInfo
- Publication number
- WO2024048233A1 WO2024048233A1 PCT/JP2023/029154 JP2023029154W WO2024048233A1 WO 2024048233 A1 WO2024048233 A1 WO 2024048233A1 JP 2023029154 W JP2023029154 W JP 2023029154W WO 2024048233 A1 WO2024048233 A1 WO 2024048233A1
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- WIPO (PCT)
- Prior art keywords
- resonator
- conductor
- resonant
- control board
- radio wave
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/08—Strip line resonators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/203—Strip line filters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
- H01Q15/0026—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective said selective devices having a stacked geometry or having multiple layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0086—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices having materials with a synthesized negative refractive index, e.g. metamaterials or left-handed materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
- H01Q15/10—Refracting or diffracting devices, e.g. lens, prism comprising three-dimensional array of impedance discontinuities, e.g. holes in conductive surfaces or conductive discs forming artificial dielectric
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/44—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
- H01Q3/46—Active lenses or reflecting arrays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
Definitions
- the present disclosure relates to a radio wave control board.
- Patent Document 1 describes a technique for refracting radio waves by changing the parameters of each element in a structure in which resonator elements are arranged.
- the radio wave control board of the present disclosure includes a plurality of unit structures arranged in the direction of the first surface, and a reference conductor serving as a reference potential of the plurality of unit structures, and the plurality of unit structures are arranged in the direction of the first surface.
- a second resonator formed on the same plane as the first resonator and electromagnetically connected to the reference conductor, the second resonator being rotationally symmetrical in the first plane direction; 1 and a second resonant structure, the first resonant structure and the second resonant structure are arranged with an interval in a first direction such that the first resonator and the second resonator face each other. has been done.
- a radio wave control board of the present disclosure is a radio wave control board including a plurality of unit structures arranged in a first surface direction and a reference conductor serving as a reference potential of the plurality of unit structures, wherein the plurality of unit structures includes a ⁇ /2 resonator extending in the direction of the first surface, and a ⁇ /4 resonator formed on the same plane as the ⁇ /2 resonator and electromagnetically connected to the reference conductor.
- a second resonant structure, the first resonant structure and the second resonant structure are arranged with an interval in the first direction such that the ⁇ /2 resonator and the ⁇ /4 resonator face each other; has been done.
- a radio wave control board of the present disclosure is a radio wave control board including a plurality of unit structures arranged in a first surface direction and a reference conductor serving as a reference potential of the plurality of unit structures, wherein the plurality of unit structures includes a ⁇ /2 resonator extending in the direction of the first surface, and a ⁇ /4 resonator formed on the same plane as the ⁇ /2 resonator and electromagnetically connected to the reference conductor.
- the radio wave control board has four resonant frequencies, a first resonant frequency, a second resonant frequency, a third resonant frequency, and a fourth resonant frequency, in order from the low frequency side, and the third resonant frequency and the fourth resonant frequency to generate two attenuation poles to form a passband of the bandpass filter.
- a radio wave control board of the present disclosure is a radio wave control board including a plurality of unit structures arranged in a first surface direction and a reference conductor serving as a reference potential of the plurality of unit structures, wherein the plurality of unit structures includes a ⁇ /2 resonator extending in the direction of the first surface, and a ⁇ /4 resonator formed on the same plane as the ⁇ /2 resonator and electromagnetically connected to the reference conductor.
- the radio wave control board has four resonant frequencies, a first resonant frequency, a second resonant frequency, a third resonant frequency, and a fourth resonant frequency, in order from the low frequency side, and the first resonant frequency and the third resonant frequency to generate two attenuation poles to form a passband of the bandpass filter.
- the radio wave control board of the present disclosure includes a plurality of first unit structures arranged in the direction of the first surface, a plurality of second unit structures arranged in the direction of the first surface, the plurality of first unit structures, and the plurality of second unit structures arranged in the direction of the first surface.
- a reference conductor serving as a reference potential of a plurality of second unit structures
- the plurality of first unit structures include a ⁇ /2 resonator extending in the direction of the first surface and a plane coplanar with the ⁇ /2 resonator.
- the patch conductor includes a patch conductor, and the first patch conductor and the second patch conductor are spaced apart and opposed to each other in the first direction.
- FIG. 1 is a diagram for explaining an overview of a radio wave refraction plate according to a first embodiment.
- FIG. 2 is a diagram showing a configuration example of a unit structure according to the first embodiment.
- FIG. 3 is a diagram showing a configuration example of the first resonant structure according to the first embodiment.
- FIG. 4 is a diagram showing a configuration example of the second resonant structure according to the first embodiment.
- FIG. 5 is a diagram for explaining the positional relationship between the second resonator of the first resonant structure and the second resonator of the second resonant structure according to the first example of the second embodiment.
- FIG. 6 is a diagram showing reflection characteristics and transmission characteristics of a unit structure according to the first example of the second embodiment.
- FIG. 7 is a diagram showing the amount of phase change of the unit structure according to the first example of the second embodiment.
- FIG. 8 is a diagram for explaining the positional relationship between the second resonator of the first resonant structure and the second resonator of the second resonant structure according to the second example of the second embodiment.
- FIG. 9 is a diagram showing reflection characteristics and transmission characteristics of a unit structure according to a second example of the second embodiment.
- FIG. 10 is a diagram showing the amount of phase change of the unit structure according to the second example of the second embodiment.
- FIG. 11 is a diagram illustrating a configuration example of a unit structure according to a comparative example.
- FIG. 12 is a diagram for explaining an example of arrangement of unit structures in a radio wave control board according to the third embodiment.
- FIG. 13 is a diagram for explaining the resonance structure of the unit structure according to the fourth embodiment.
- FIG. 14 is a diagram showing the reflection characteristics and transmission characteristics of the unit structure according to the fourth embodiment.
- FIG. 15 is a diagram for explaining the resonance structure of the unit structure according to the fifth embodiment.
- FIG. 16 is a diagram showing the reflection characteristics and transmission characteristics of the unit structure according to the fifth embodiment.
- FIG. 17A is a diagram showing a simulation result showing the strength of a magnetic field for a radio wave of a first frequency in a unit structure according to a fifth embodiment.
- FIG. 17B is a diagram showing simulation results showing the strength of the magnetic field for the second frequency radio waves of the unit structure according to the fifth embodiment.
- FIG. 17C is a diagram illustrating a simulation result showing the strength of the magnetic field for the third frequency radio wave of the unit structure according to the fifth embodiment.
- FIG. 17D is a diagram showing simulation results showing the strength of the magnetic field for the fourth frequency radio wave of the unit structure according to the fifth embodiment.
- FIG. 17E is a diagram showing a simulation result showing the strength of the magnetic field for the radio wave of the fifth frequency of the unit structure according to the fifth embodiment.
- FIG. 17F is a diagram showing a simulation result showing the strength of a magnetic field for a radio wave of the sixth frequency of the unit structure according to the fifth embodiment.
- FIG. 18 is a diagram showing the amount of phase change of the unit structure according to the fifth embodiment.
- FIG. 19 is a diagram illustrating a configuration example of a first resonance structure according to another embodiment.
- FIG. 20 is a diagram illustrating a configuration example of a second resonant structure according to another embodiment.
- FIG. 21 is a diagram showing reflection characteristics and transmission characteristics of a unit structure according to another embodiment.
- FIG. 22 is a diagram showing the amount of phase change of a unit structure according to another embodiment.
- an XYZ orthogonal coordinate system is set, and the positional relationship of each part will be explained with reference to this XYZ orthogonal coordinate system.
- the direction parallel to the X-axis in the horizontal plane is the X-axis direction
- the direction parallel to the Y-axis in the horizontal plane perpendicular to the X-axis is the Y-axis direction
- the direction parallel to the Z-axis orthogonal to the horizontal plane is the Z-axis direction. do.
- a plane including the X axis and the Y axis is appropriately referred to as an XY plane
- a plane including the X axis and the Z axis is appropriately referred to as an XZ plane
- a plane including the Y axis and the Z axis is appropriately referred to as a YZ plane.
- the XY plane is parallel to the horizontal plane.
- the XY plane, the XZ plane, and the YZ plane are orthogonal to each other.
- FIG. 1 is a diagram for explaining an overview of a radio wave refraction plate according to a first embodiment.
- the radio wave refraction plate 1 is a plate-shaped member configured to allow radio waves transmitted by a base station to pass therethrough.
- the radio wave refracting plate 1 is configured to, for example, receive radio waves transmitted by a base station, refract the radio waves at a predetermined angle, and emit the waves.
- the radio wave refraction plate 1 may be made of, for example, a metamaterial that changes the phase of an incident wave.
- the radio wave refraction plate 1 is a type of radio wave control plate.
- the radio wave refraction plate 1 may include, for example, a substrate 2, a unit structure 10a, a unit structure 10b, a unit structure 10c, and a unit structure 10d.
- the unit structure 10a, the unit structure 10b, the unit structure 10c, and the unit structure 10d may be formed on the substrate 2.
- the substrate 2 may be, for example, a dielectric substrate made of a dielectric material.
- the substrate 2 may have a rectangular shape, for example, but is not limited thereto.
- the unit structures 10a, the unit structures 10b, the unit structures 10c, and the unit structures 10d may be arranged two-dimensionally on the substrate 2.
- a plurality of unit structures 10a may be installed at the bottom of the substrate 2, for example.
- a plurality of unit structures 10b may be installed in a row on a level above the level where the unit structures 10a are installed.
- a plurality of unit structures 10c may be installed in a row on a level above the level on which the unit structures 10b are installed.
- a plurality of unit structures 10d may be installed in a row on a level above the level on which the unit structures 10c are installed. That is, the radio wave refracting plate 1 may have a structure in which a plurality of unit structures of different sizes are periodically arranged.
- the unit structures 10a to 10d may differ in the amount of change in the frequency band and phase of the radio waves to be changed. Although the unit structures 10a to 10d each have a rectangular shape, the shape is not limited to this. By changing the size and shape of the unit structures 10a, 10b, 10c, and 10d, it is possible to adjust the amount of change in the frequency band and phase of the radio waves to be refracted.
- FIG. 2 describes a configuration example of a unit structure according to the first embodiment.
- FIG. 2 is a diagram showing a configuration example of a unit structure according to the first embodiment.
- the unit structure 10 includes a substrate 2, a first resonant structure 11, and a second resonant structure 12.
- the unit structure 10 has a two-layer structure in which two resonant structures are stacked in two layers.
- the first resonant structure 11 and the second resonant structure 12 are arranged to face each other with an interval in the Z direction.
- the Z direction is a type of first direction.
- the first resonant structure 11 may be formed in a rectangular shape.
- the shape of the first resonant structure 11 is not limited to a rectangle.
- the first resonant structure 11 includes a reference conductor 20 , a first resonator 21 , a second resonator 22 , a second resonator 23 , a second resonator 24 , and a second resonator 25 .
- the second resonant structure 12 may be formed in a rectangular shape.
- the shape of the second resonant structure 12 is not limited to a rectangle.
- the second resonant structure 12 includes a reference conductor 30 , a first resonator 31 , a second resonator 32 , a second resonator 33 , a second resonator 34 , and a second resonator 35 .
- the reference conductor 20 and the reference conductor 30 face each other.
- the first resonator 21 and the first resonator 31 face each other.
- the second resonator 22 and the second resonator 32 face each other.
- the second resonator 23 and the second resonator 33 face each other.
- the second resonator 24 and the second resonator 34 face each other.
- the second resonator 25 and the second resonator 35 face each other.
- FIG. 3 is a diagram showing a configuration example of the first resonant structure according to the first embodiment.
- the reference conductor 20 the first resonator 21, the second resonator 22, the second resonator 23, the second resonator 24, and the second resonator 25 are the same It is formed on the XY plane.
- the reference conductor 20 is formed into a rectangular frame shape that extends in the XY plane.
- the shape of the reference conductor 20 is not limited.
- the reference conductor 20 is formed to surround the first resonator 21 , the second resonator 22 , the second resonator 23 , the second resonator 24 , and the second resonator 25 .
- Reference conductor 20 is electromagnetically connected to a reference potential.
- the reference potential is ground, but is not limited to this.
- the first resonator 21 is made of a conductor.
- the first resonator 21 is formed, for example, at the center of the inner circumference of the reference conductor 20.
- the first resonator 21 is formed on the XY plane.
- the first resonator 21 is not electromagnetically connected to the reference conductor 20. That is, the first resonator 21 is configured as a ⁇ /2 resonator.
- the first resonator 21 is, for example, a rectangular patch conductor extending in the XY plane, but is not limited thereto.
- the first resonator 21 has a hole 21a in the center.
- the first resonator 21 does not need to have the hole 21a.
- the second resonator 22 is made of a conductor.
- the second resonator 22 is formed, for example, at the upper left corner of the inner circumference of the reference conductor 20.
- the second resonator 22 is formed on the XY plane.
- the second resonator 22 includes a first conductor section 221, a second conductor section 222, and a third conductor section 223.
- the first conductor portion 221 has one end electromagnetically connected to the upper side of the reference conductor 20 .
- the first conductor portion 221 extends in the +X direction.
- the other end of the first conductor part 221 is bent parallel to the Y direction to form a second conductor part 222.
- the second conductor portion 222 extends in the ⁇ Y direction.
- the tip of the second conductor section 222 is bent parallel to the X direction to form a third conductor section 223.
- the third conductor portion 223 extends in the -X direction.
- the tip of the third conductor portion 223 is not electromagnetically connected to the reference conductor 20.
- the second resonator 22 is configured as a ⁇ /4 resonator.
- the second resonator 23 is made of a conductor.
- the second resonator 23 is formed, for example, at the upper right corner of the inner periphery of the reference conductor 20 .
- the second resonator 23 is formed on the XY plane.
- the second resonator 23 includes a first conductor section 231, a second conductor section 232, and a third conductor section 233.
- the first conductor portion 231 has one end electromagnetically connected to the right side of the reference conductor 20 .
- the first conductor portion 231 extends in the ⁇ Y direction.
- the other end of the first conductor part 231 is bent parallel to the X direction to form a second conductor part 232.
- the second conductor portion 232 extends in the -X direction.
- the tip of the second conductor section 232 is bent parallel to the Y direction to form a third conductor section 233.
- the third conductor portion 233 extends in the +Y direction.
- the tip of the third conductor portion 233 is not electromagnetically connected to the reference conductor 20.
- the second resonator 23 is configured as a ⁇ /4 resonator.
- the second resonator 24 is made of a conductor.
- the second resonator 24 is formed, for example, at the lower right corner of the inner periphery of the reference conductor 20 .
- the second resonator 24 is formed on the XY plane.
- the second resonator 24 includes a first conductor section 241, a second conductor section 242, and a third conductor section 243.
- the first conductor portion 241 has one end electromagnetically connected to the lower side of the reference conductor 20 .
- the first conductor portion 241 extends in the -X direction.
- the other end of the first conductor part 241 is bent parallel to the Y direction to form a second conductor part 242.
- the second conductor portion 242 extends in the +Y direction.
- the tip of the second conductor portion 242 is bent parallel to the X direction to form a third conductor portion 243.
- the third conductor portion 243 extends in the +X direction.
- the tip of the third conductor portion 243 is not electromagnetically connected to the reference conductor 20.
- the second resonator 24 is configured as a ⁇ /4 resonator.
- the second resonator 25 is made of a conductor.
- the second resonator 25 is formed, for example, at the lower left corner of the inner periphery of the reference conductor 20 .
- the second resonator 25 is formed on the XY plane.
- the second resonator 25 includes a first conductor section 251, a second conductor section 252, and a third conductor section 253.
- the first conductor portion 251 has one end electromagnetically connected to the left side of the reference conductor 20 .
- the first conductor portion 251 extends in the +Y direction.
- the other end of the first conductor section 251 is bent parallel to the X direction to form a second conductor section 252.
- the second conductor portion 252 extends in the +X direction.
- the tip of the second conductor section 252 is bent parallel to the Y direction to form a third conductor section 253.
- the third conductor portion 253 extends in the ⁇ Y direction.
- the tip of the third conductor portion 253 is not electromagnetically connected to the reference conductor 20.
- the second resonator 25 is configured as a ⁇ /4 resonator.
- the second resonator 22, the second resonator 23, the second resonator 24, and the second resonator 25 each have the same shape.
- the shapes of the second resonator 22, the second resonator 23, the second resonator 24, and the second resonator 25 are also called a hairpin shape.
- the shapes of the second resonator 22, the second resonator 23, the second resonator 24, and the second resonator 25 are not limited to the shapes shown in FIG. 3.
- the second resonator 22, the second resonator 23, the second resonator 24, and the second resonator 25 only need to be formed in a rotationally symmetrical shape in the XY plane.
- the first resonant structure 11 two different types of resonators, a ⁇ /2 resonator and a ⁇ /4 resonator, are formed on the same plane.
- FIG. 4 is a diagram showing a configuration example of the second resonant structure according to the first embodiment.
- the reference conductor 30, the first resonator 31, the second resonator 32, the second resonator 33, the second resonator 34, and the second resonator 35 are the same It is formed on the XY plane.
- the reference conductor 30 is formed into a rectangular frame shape that extends in the XY plane. The shape of the reference conductor 30 is not limited.
- the reference conductor 30 is formed to surround the first resonator 31 , the second resonator 32 , the second resonator 33 , the second resonator 34 , and the second resonator 35 .
- Reference conductor 20 is electromagnetically connected to a reference potential.
- the reference potential is ground, but is not limited to this.
- the first resonator 31 is made of a conductor.
- the first resonator 31 is formed, for example, at the center of the inner circumference of the reference conductor 30.
- the first resonator 31 is formed on the XY plane.
- the first resonator 31 is not electromagnetically connected to the reference conductor 30. That is, the first resonator 31 is configured as a ⁇ /2 resonator.
- the first resonator 31 is, for example, a rectangular patch conductor that extends in the XY plane, but is not limited thereto.
- the first resonator 31 has a hole 31a in the center.
- the first resonator 31 does not need to have the hole 31a.
- the second resonator 32 is made of a conductor.
- the second resonator 32 is formed, for example, at the upper left corner of the inner circumference of the reference conductor 30.
- the second resonator 32 is formed on the XY plane.
- the second resonator 32 includes a first conductor section 321, a second conductor section 322, and a third conductor section 323.
- the first conductor portion 321 has one end electromagnetically connected to the left side of the reference conductor 20 .
- the first conductor portion 321 extends in the +Y direction.
- the other end of the first conductor part 321 is bent parallel to the X direction to form a second conductor part 322.
- the second conductor portion 322 extends in the ⁇ X direction.
- the tip of the second conductor section 322 is bent parallel to the Y direction to form a third conductor section 323.
- the third conductor portion 323 extends in the ⁇ Y direction.
- the tip of the third conductor portion 323 is not electromagnetically connected to the reference conductor 30.
- the second resonator 32 is configured as a ⁇ /4 resonator.
- the second resonator 33 is made of a conductor.
- the second resonator 33 is formed, for example, at the upper right corner of the inner circumference of the reference conductor 20.
- the second resonator 33 is formed on the XY plane.
- the second resonator 33 includes a first conductor section 331, a second conductor section 332, and a third conductor section 333.
- the first conductor portion 331 has one end electromagnetically connected to the upper side of the reference conductor 20 .
- the first conductor portion 331 extends in the +X direction.
- the other end of the first conductor part 331 is bent parallel to the Y direction to form a second conductor part 332.
- the second conductor portion 332 extends in the ⁇ Y direction.
- the tip of the second conductor section 332 is bent parallel to the X direction to form a third conductor section 333.
- the third conductor portion 333 extends in the ⁇ X direction.
- the tip of the third conductor portion 333 is not electromagnetically connected to the reference conductor 30.
- the second resonator 33 is configured as a ⁇ /4 resonator.
- the second resonator 34 is made of a conductor.
- the second resonator 34 is formed, for example, at the lower right corner of the inner circumference of the reference conductor 20.
- the second resonator 34 is formed on the XY plane.
- the second resonator 34 includes a first conductor section 341, a second conductor section 342, and a third conductor section 343.
- the first conductor portion 341 has one end electromagnetically connected to the right side of the reference conductor 20 .
- the first conductor portion 341 extends in the ⁇ Y direction.
- the other end of the first conductor part 341 is bent parallel to the X direction to form a second conductor part 342.
- the second conductor portion 342 extends in the +X direction.
- the tip of the second conductor portion 342 is bent parallel to the Y direction to form a third conductor portion 343.
- the third conductor portion 343 extends in the +Y direction.
- the tip of the third conductor portion 343 is not electromagnetically connected to the reference conductor 30.
- the second resonator 34 is configured as a ⁇ /4 resonator.
- the second resonator 35 is made of a conductor.
- the second resonator 35 is formed, for example, at the lower left corner of the inner periphery of the reference conductor 20 .
- the second resonator 35 is formed on the XY plane.
- the second resonator 35 includes a first conductor section 351, a second conductor section 352, and a third conductor section 353.
- the first conductor portion 351 has one end electromagnetically connected to the lower side of the reference conductor 20 .
- the first conductor portion 351 extends in the ⁇ X direction.
- the other end of the first conductor part 351 is bent parallel to the Y direction to form a second conductor part 352.
- the second conductor portion 352 extends in the +X direction.
- the tip of the second conductor section 352 is bent parallel to the Y direction to form a third conductor section 353.
- the third conductor portion 353 extends in the ⁇ Y direction.
- the tip of the third conductor portion 353 is not electromagnetically connected to the reference conductor 30.
- the second resonator 35 is configured as a ⁇ /4 resonator.
- the second resonator 32, the second resonator 33, the second resonator 34, and the second resonator 35 each have the same shape.
- the shapes of the second resonator 32, the second resonator 33, the second resonator 34, and the second resonator 35 are also called a hairpin shape.
- the shapes of the second resonator 32, the second resonator 33, the second resonator 34, and the second resonator 35 are not limited to the shapes shown in FIG. 4.
- the second resonator 32, the second resonator 33, the second resonator 34, and the second resonator 35 only need to be formed in a rotationally symmetrical shape in the XY plane.
- the second resonator 22 and the second resonator 32 facing the second resonator 22 have the same shape.
- the second resonator 22 and the second resonator 32 are formed so as not to overlap each other in the XY plane.
- the second resonator 32 is formed in the second resonant structure 12 in an inverted and rotated state with respect to the second resonator 22 formed in the first resonant structure 11 .
- the second resonator 32 is formed in the second resonant structure 12 with the second resonator 22 inverted and rotated by 90 degrees.
- the second resonator 23 and the second resonator 33 facing the second resonator 23 have the same shape.
- the second resonator 23 and the second resonator 33 are formed so as not to overlap each other in the XY plane.
- the second resonator 33 is formed in the second resonant structure 12 in an inverted and rotated state with respect to the second resonator 23 formed in the first resonant structure 11 .
- the second resonator 33 is formed in the second resonant structure 12 with the second resonator 23 inverted and rotated by 90 degrees.
- the second resonator 24 and the second resonator 34 facing the second resonator 24 have the same shape.
- the second resonator 24 and the second resonator 34 are formed so as not to overlap each other in the XY plane.
- the second resonator 34 is formed in the second resonant structure 12 in an inverted and rotated state with respect to the second resonator 24 formed in the first resonant structure 11 .
- the second resonator 34 is formed in the second resonant structure 12 with the second resonator 24 inverted and rotated by 90 degrees.
- the second resonator 25 and the second resonator 35 facing the second resonator 25 have the same shape.
- the second resonator 25 and the second resonator 35 are formed so as not to overlap each other in the XY plane.
- the second resonator 35 is formed in the second resonant structure 12 in an inverted and rotated state with respect to the second resonator 25 formed in the first resonant structure 11 .
- the second resonator 35 is formed in the second resonant structure 12 with the second resonator 25 inverted and rotated by 90 degrees.
- the unit structure 10 has a two-layer structure including the first resonant structure 11 and the second resonant structure 12.
- the unit structure 10 by using the unit structure 10, it is possible to provide a thin radio wave control board that has a large amount of phase change and is compatible with both polarizations.
- FIG. 5 is a diagram for explaining the positional relationship between the second resonator of the first resonant structure and the second resonator of the second resonant structure according to the first example of the second embodiment.
- FIG. 5 shows the reference conductor 20A, the first resonator 21A, the second resonator 22A, the second resonator 23A, the second resonator 24A, and the second resonator in the XY plane when the unit structure 10A is viewed from the top.
- 25A the reference conductor 30A, the first resonator 31A, the second resonator 32A, the second resonator 33A, the second resonator 34A, and the second resonator 35A.
- the reference conductor 20A and the reference conductor 30A are formed to overlap on the XY plane.
- the first resonator 21A and the first resonator 31A are formed to overlap on the XY plane.
- the second resonator 22A includes a first conductor part 221A, a second conductor part 222A, and a third conductor part 223A.
- the second resonator 32A includes a first conductor section 321A, a second conductor section 322A, and a third conductor section 323A.
- the second resonator 22A and the second resonator 23A are formed to face each other.
- the second resonator 22A is formed such that the tip of the third conductor portion 223A overlaps the first conductor portion 321A.
- the second resonator 32A is formed such that the tip of the third conductor portion 323A overlaps the first conductor portion 221A.
- the second resonator 23A includes a first conductor part 231A, a second conductor part 232A, and a third conductor part 233A.
- the second resonator 33A includes a first conductor section 331A, a second conductor section 332A, and a third conductor section 333A.
- the second resonator 23A and the second resonator 33A are formed to face each other.
- the second resonator 23A is formed such that the tip of the third conductor portion 233A overlaps the first conductor portion 331A.
- the second resonator 33A is formed such that the tip of the third conductor portion 333A overlaps the first conductor portion 231A.
- the second resonator 24A includes a first conductor part 241A, a second conductor part 242A, and a third conductor part 243A.
- the second resonator 34A includes a first conductor section 341A, a second conductor section 342A, and a third conductor section 343A.
- the second resonator 24A and the second resonator 34A are formed to face each other.
- the second resonator 24A is formed such that the tip of the third conductor portion 243A overlaps the first conductor portion 341A.
- the second resonator 34A is formed such that the tip of the third conductor portion 343A overlaps the first conductor portion 241A.
- the second resonator 25A includes a first conductor part 251A, a second conductor part 252A, and a third conductor part 253A.
- the second resonator 35A includes a first conductor section 351A, a second conductor section 352A, and a third conductor section 353A.
- the second resonator 25A and the second resonator 35A are formed to face each other.
- the second resonator 25A is formed such that the tip of the third conductor portion 253A overlaps the first conductor portion 351A.
- the second resonator 35A is formed such that the tip of the third conductor portion 353A overlaps the first conductor portion 251A.
- the amount of phase change can be controlled by adjusting the position of the attenuation pole appearing in the transmission characteristics of the unit structure 10A.
- the radio wave refraction plate 1 has two or more resonance frequencies.
- the radio wave refraction plate 1 is configured to form a passband of a bandpass filter using part of two or more resonant frequencies.
- the radio wave refraction plate 1 has four resonant frequencies: a first resonant frequency, a second resonant frequency, a third resonant frequency, and a fourth resonant frequency in order from the low frequency side.
- the pass band of the band pass filter is formed using two resonance frequencies on the high frequency side.
- FIG. 6 is a diagram showing reflection characteristics and transmission characteristics of a unit structure according to the first example of the second embodiment.
- FIG. 7 is a diagram showing the amount of phase change of the unit structure according to the first example of the second embodiment.
- the horizontal axis indicates frequency [GHz (gigahertz)], and the vertical axis indicates gain [dB (decibel)].
- Graph 101 shows the transmission characteristics of unit structure 10A.
- Graph 102 shows the reflection characteristics of unit structure 10A.
- the unit structure 10A has two attenuation poles, an attenuation pole P1 and an attenuation pole P2, in its transmission characteristics.
- the passband of the unit structure 10A as a bandpass filter can be adjusted by adjusting the positions where the attenuation pole P1 and the attenuation pole P2 are generated.
- the unit structure 10A has four resonant frequencies: a first resonant frequency f1, a second resonant frequency f2, a third resonant frequency f3, and a fourth resonant frequency f4.
- the attenuation pole P1 and the attenuation pole P2 are formed in a frequency band between the first resonance frequency f1 and the fourth resonance frequency f4. It is formed in a frequency band between the first resonant frequency f1 and the third resonant frequency f3.
- this embodiment by overlapping the frequencies of the attenuation pole P1 and the attenuation pole P2, adjustments are made so that the attenuation poles appear to be one attenuation pole.
- Region 201 becomes a passband as a bandpass filter.
- the region 201 is, for example, a band from about 31.00 GHz to 33.00 GHz, but is not limited thereto.
- the region 201 may include two resonant frequencies on the high frequency side, a third resonant frequency f3 and a fourth resonant frequency f4. That is, it can be said that the first example of the first embodiment forms a pass band using two resonance frequencies, the third resonance frequency f3 and the fourth resonance frequency f4.
- the unit structure 10A is in the region 201.
- the phase can be changed from 100° to 0°.
- the radio wave control board can be made thinner.
- FIG. 8 is a diagram for explaining the positional relationship between the second resonator of the first resonant structure and the second resonator of the second resonant structure according to the second example of the second embodiment.
- FIG. 8 shows the reference conductor 20B, the first resonator 21B, the second resonator 22B, the second resonator 23B, the second resonator 24B, and the second resonance in the XY plane when the unit structure 10B is viewed from the top.
- the positional relationship among the conductor 25B, the reference conductor 30B, the first resonator 31B, the second resonator 32B, the second resonator 33B, the second resonator 34B, and the second resonator 35B is shown.
- the first resonator 21B differs from the first resonator 21A shown in FIG. 5 in that it has a hole 21Ba.
- the first resonator 31B differs from the first resonator 21A shown in FIG. 5 in that it has a hole 31Ba.
- the second resonator 22B has a first conductor part 221B, a second conductor part 222B, and a third conductor part 223B.
- the second resonator 32B includes a first conductor section 321B, a second conductor section 322B, and a third conductor section 323B.
- the second resonator 22B is different from the second resonator 22A shown in FIG. different from.
- the second resonator 23B has a first conductor part 231B, a second conductor part 232B, and a third conductor part 233B.
- the second resonator 33B includes a first conductor section 331B, a second conductor section 332B, and a third conductor section 333B.
- the second resonator 23B is different from the second resonator 23A shown in FIG. different from.
- the second resonator 24B has a first conductor part 241B, a second conductor part 242B, and a third conductor part 243B.
- the second resonator 34B includes a first conductor section 341B, a second conductor section 342B, and a third conductor section 343B.
- the second resonator 24B is different from the second resonator 24A shown in FIG. different from.
- the second resonator 25B includes a first conductor portion 251B, a second conductor portion 252B, and a third conductor portion 253B.
- the second resonator 35B includes a first conductor section 351B, a second conductor section 352B, and a third conductor section 353B.
- the second resonator 25B is different from the second resonator 25A shown in FIG. different from.
- FIG. 9 is a diagram showing reflection characteristics and transmission characteristics of a unit structure according to a second example of the second embodiment.
- FIG. 10 is a diagram showing the amount of phase change of the unit structure according to the second example of the second embodiment.
- the horizontal axis indicates frequency [GHz], and the vertical axis indicates gain [dB].
- Graph 104 shows the transmission characteristics of unit structure 10B.
- Graph 105 shows the reflection characteristics of unit structure 10B.
- the unit structure 10B has two attenuation poles, an attenuation pole P3 and an attenuation pole P4, in its transmission characteristics.
- the unit structure 10B has four resonant frequencies: a first resonant frequency f5, a second resonant frequency f6, a third resonant frequency f7, and a fourth resonant frequency f8.
- the attenuation pole P3 and the attenuation pole P4 are formed in a frequency band between the first resonance frequency f1 and the fourth resonance frequency f4.
- the attenuation pole P3 is formed in a frequency band between the first resonant frequency f5 and the second resonant frequency f6.
- the attenuation pole P4 is formed in a frequency band between the second resonance frequency f6 and the third resonance frequency f7.
- by overlapping the frequencies of the attenuation pole P3 and the attenuation pole P4 adjustments are made so that they appear to be one attenuation pole.
- This makes it possible to form a region 202 with a reflection characteristic of ⁇ 5 dB or less.
- Region 202 becomes a pass band as a band pass filter.
- the region 202 is, for example, a band from about 28.50 GHz to 31.00 GHz, but is not limited thereto.
- the unit structure 10B can change the phase of the radio wave in the range of 180° to 0° in the region 202.
- the configuration of the radio wave control board can be made thinner.
- FIG. 11 is a diagram illustrating a configuration example of a unit structure according to a comparative example.
- the unit structure 10C includes a substrate 2, a first resonant structure 11C, and a second resonant structure 12C.
- the unit structure 10C has a two-layer structure in which two resonant structures are stacked in two layers.
- the first resonant structure 11C and the second resonant structure 12C are arranged to face each other with an interval in the Z direction.
- the first resonant structure 11C may be formed in a rectangular shape.
- the shape of the first resonance structure 11C is not limited to a rectangle.
- the first resonant structure 11C includes a reference conductor 20C and a first resonator 21C.
- the reference conductor 20C is formed to surround the first resonator 21C.
- the first resonator 21C is a ⁇ /2 resonator.
- the second resonant structure 12C may be formed in a rectangular shape.
- the shape of the second resonant structure 12C is not limited to a rectangle.
- the second resonant structure 12C includes a reference conductor 30C and a first resonator 31C.
- the reference conductor 30C is formed to surround the first resonator 31C.
- the first resonator 31C is a ⁇ /2 resonator.
- the reference conductor 20C and the reference conductor 30C face each other.
- the first resonator 21C and the first resonator 31C face each other.
- the unit structure 10C can, for example, change the phase of radio waves in a range of 15° to -130°. That is, the unit structure 10C is different from the unit structure 10A shown in FIG. 5 or the unit structure 10B shown in FIG. 8 in the range of the phase to be changed. Therefore, by combining the unit structure 10C with a unit structure in which a ⁇ /2 resonator and a ⁇ /4 resonator are formed in the same plane, such as the unit structure 10A and the unit structure 10B, the phase of the radio wave can be spread over a wide range. It is possible to configure a radio wave control board that can be changed. As an example of this, in the range from 15 GHz to 22 GHz corresponding to f1 to f2 in FIG.
- phase characteristics in FIG. 7 have a phase change of 0° to -100°.
- a passband in which the sign of the phase is on the negative side can be realized.
- FIG. 12 is a diagram for explaining an example of arrangement of unit structures in a radio wave control board according to the third embodiment.
- the radio wave control board according to the third embodiment includes a unit structure 10A, a unit structure 10B, a unit structure 10C, and a unit structure 10D.
- unit structures 10A, unit structures 10B, unit structures 10C, and unit structures 10D are two-dimensionally arranged in the XY plane.
- the size of the first resonator 21D of the first resonant structure 11D is different from the size of the first resonator 21C shown in FIG. 11.
- the size of the first resonator 31D of the second resonant structure 12D is different from the size of the first resonator 31C shown in FIG. 11.
- the radio wave control board has a unit structure 10A and a unit structure 10B in which two resonators, a ⁇ /2 resonator and a ⁇ /4 resonator are formed on the same plane, and a ⁇ /4 resonator on the same plane. It includes two types of unit structures 10C and 10D, including a unit structure in which only /2 resonators are formed.
- the unit structure 10A and the unit structure 10B are different from the unit structure 10C and the unit structure 10D in the range of the phase angle to be shifted.
- a radio wave control board that can cover the range from 0° to 360°.
- a radio wave control board that can cover the range from 0° to 360°.
- a radio wave control board that can cover the range from 0° to 360° is configured by combining a unit cell with a phase characteristic realized by f1 and f2 and a unit cell with a phase characteristic realized by f3 and f4. are doing.
- a fourth embodiment will be described.
- a unit structure including a resonant structure in which two types of resonators, a ⁇ /2 resonator and a ⁇ /4 resonator are formed on the same plane has been described.
- two types of ⁇ /2 resonators may be formed in the resonant structure included in the unit structure.
- FIG. 13 is a diagram for explaining the resonance structure of the unit structure according to the fourth embodiment.
- the first resonant structure 11E as a unit structure according to the fourth embodiment includes a reference conductor 20E, a resonator 40, a resonator 41, a resonator 42, a resonator 43, a resonator 44, and a resonator 45. , is provided.
- the second resonant structure (not shown) of the unit structure according to the fourth embodiment has the same configuration as the first resonant structure 11E, so a description thereof will be omitted.
- the resonator 40 includes a first conductor section 401, a second conductor section 402, a third conductor section 403, and a fourth conductor section 404.
- the first conductor portion 401 is formed parallel to the X direction.
- the second conductor section 402 is formed parallel to the first conductor section 401 with an interval in the Y direction.
- the third conductor section 403 is formed parallel to the Y direction so as to electromagnetically connect one end of the first conductor section 401 and one end of the second conductor section 402.
- the first conductor part 401, the second conductor part 402, and the third conductor part 403 are formed in a U-shape in the XY plane.
- the fourth conductor part 404 has one end formed parallel to the X direction located between the first conductor part 401 and the second conductor part 402. The other end of the fourth conductor section 404 is bent parallel to the Y direction and is electromagnetically connected to the third conductor section 413.
- the first conductor section 401, the second conductor section 402, the third conductor section 403, and the fourth conductor section 404 are not electromagnetically connected to the reference conductor 20E. That is, the resonator 40 is configured as a ⁇ /2 resonator.
- the resonator 41 includes a first conductor section 411, a second conductor section 412, a third conductor section 413, and a fourth conductor section 414.
- the first conductor portion 411 is formed parallel to the Y direction.
- the second conductor part 412 is formed parallel to the first conductor part 411 with an interval in the X direction.
- the third conductor section 413 is formed parallel to the X direction so as to electromagnetically connect one end of the first conductor section 411 and one end of the second conductor section 412.
- the first conductor part 411, the second conductor part 412, and the third conductor part 413 are formed in a U-shape in the XY plane.
- the fourth conductor part 414 has one end formed parallel to the Y direction located between the first conductor part 411 and the second conductor part 412.
- the other end of the fourth conductor section 414 is bent parallel to the X direction, and is electromagnetically connected to the third conductor section 423.
- the first conductor section 411, the second conductor section 412, the third conductor section 413, and the fourth conductor section 414 are not electromagnetically connected to the reference conductor 20E. That is, the resonator 41 is configured as a ⁇ /2 resonator.
- the resonator 42 includes a first conductor section 421, a second conductor section 422, a third conductor section 423, and a fourth conductor section 424.
- the first conductor portion 421 is formed parallel to the X direction.
- the second conductor part 422 is formed parallel to the first conductor part 421 with an interval in the Y direction.
- the third conductor section 423 is formed parallel to the Y direction so as to electromagnetically connect one end of the first conductor section 421 and one end of the second conductor section 422.
- the first conductor part 421, the second conductor part 422, and the third conductor part 423 are formed in a U-shape in the XY plane.
- the fourth conductor part 424 has one end formed parallel to the X direction located between the first conductor part 421 and the second conductor part 422. The other end of the fourth conductor section 424 is bent parallel to the Y direction, and is electromagnetically connected to the third conductor section 433.
- the first conductor section 421, the second conductor section 422, the third conductor section 423, and the fourth conductor section 424 are not electromagnetically connected to the reference conductor 20E. That is, the resonator 42 is configured as a ⁇ /2 resonator.
- the resonator 43 includes a first conductor section 431, a second conductor section 432, a third conductor section 433, and a fourth conductor section 434.
- the first conductor portion 431 is formed parallel to the Y direction.
- the second conductor portion 432 is formed parallel to the first conductor portion 431 with a space therebetween in the X direction.
- the third conductor section 433 is formed parallel to the X direction so as to electromagnetically connect one end of the first conductor section 431 and one end of the second conductor section 432.
- the first conductor part 431, the second conductor part 432, and the third conductor part 433 are formed in a U-shape in the XY plane.
- the fourth conductor part 434 has one end formed parallel to the Y direction located between the first conductor part 431 and the second conductor part 432.
- the other end of the fourth conductor section 434 is bent parallel to the X direction, and is electromagnetically connected to the third conductor section 403.
- the first conductor section 431, the second conductor section 432, the third conductor section 433, and the fourth conductor section 434 are not electromagnetically connected to the reference conductor 20E. That is, the resonator 43 is configured as a ⁇ /2 resonator.
- the resonator 44 includes a second conductor section 402, a second conductor section 422, and a connection conductor section 441.
- the connecting conductor section 441 is configured to electromagnetically connect the other end of the second conductor section 402 and the other end of the second conductor section 422.
- the connecting conductor portion 441 is not electromagnetically connected to the reference conductor 20E. That is, the resonator 44 is configured as a ⁇ /2 resonator.
- the resonator 45 includes a second conductor section 412, a second conductor section 432, and a connection conductor section 451.
- the connecting conductor portion 451 is configured to electromagnetically connect the other end of the second conductor portion 412 and the other end of the second conductor portion 432.
- the connecting conductor portion 451 is not electromagnetically connected to the reference conductor 20E. That is, the resonator 44 is configured as a ⁇ /2 resonator.
- the first resonant structure 11E has six ⁇ /2 resonators.
- FIG. 14 is a diagram showing the reflection characteristics and transmission characteristics of the unit structure according to the fourth embodiment.
- a graph 107 shows the transmission characteristics of the unit structure according to the fourth embodiment.
- Graph 108 shows the reflection characteristics of the unit structure.
- the unit structure according to the fourth embodiment has a first resonant frequency f11, a second resonant frequency f12, a third resonant frequency f13, a fourth resonant frequency f14, and a fifth resonant frequency f15. and a sixth resonance frequency f16.
- the unit structure according to the fourth embodiment has four attenuation poles in the transmission characteristic: an attenuation pole P5, an attenuation pole P6, an attenuation pole P7, and an attenuation pole P8.
- an attenuation pole P5 an attenuation pole
- an attenuation pole P6 an attenuation pole P7
- an attenuation pole P8 an attenuation pole
- the resonant structure according to the fifth embodiment includes a plurality of resonant parts that function as ⁇ /2 resonators depending on the frequency of radio waves received from the outside.
- FIG. 15 is a diagram for explaining the resonance structure of the unit structure according to the fifth embodiment.
- the first resonant structure 11F as a unit structure according to the fifth embodiment includes a reference conductor 20F, a patch conductor 60, a first conductor part 71, a first conductor part 72, a first conductor part 73, and a first conductor part 73. part 74, second conductor part 81, second conductor part 82, second conductor part 83, second conductor part 84, third conductor part 91, third conductor part 92, third conductor part 93, a third conductor portion 94, a notch portion 60a, a notch portion 60b, a notch portion 60c, and a notch portion 60d.
- the portion 83, the second conductor portion 84, the third conductor portion 91, the third conductor portion 92, the third conductor portion 93, and the third conductor portion 94 are formed within the reference conductor 20F.
- the second resonant structure (not shown) of the unit structure according to the fourth embodiment has the same configuration as the first resonant structure 11F, so a description thereof will be omitted.
- the patch conductor 60 is, for example, a rectangular moving body.
- a notch 60a is formed in the upper left part of the patch conductor 60.
- a notch 60b is formed in the upper right portion of the patch conductor 60.
- a notch 60c is formed at the lower right portion of the patch conductor 60.
- a notch 60d is formed at the lower left portion of the patch conductor 60.
- the size and shape of the notch portions 60a to 60d may be arbitrarily changed depending on the design.
- the first conductor portion 71 is formed at the upper left part of the patch conductor 60.
- the first conductor portion 71 is formed above the notch portion 60a.
- the first conductor portion 71 is a conductor formed parallel to the Y direction.
- One end of the first conductor section 71 and the patch conductor 60 are electromagnetically connected by a connecting conductor section 71a.
- the second conductor portion 81 is formed on the left side of the patch conductor 60.
- the second conductor portion 81 is formed on the left side of the notch portion 60b.
- the second conductor portion 81 is a conductor formed parallel to the X direction.
- One end of the second conductor section 81 and the connection conductor section 71a are electromagnetically connected by the connection conductor section 81a.
- the second conductor portion 81 is shorter than the first conductor portion 71.
- the third conductor portion 91 is formed between the second conductor portion 81 and the notch portion 60a.
- the third conductor portion 91 is a conductor whose one end is electromagnetically connected to the patch conductor 60 and extends parallel to the X direction toward the ⁇ X direction side.
- the third conductor portion 91 is shorter than the second conductor portion 81.
- the lengths of the first conductor part 71, the second conductor part 81, and the third conductor part 91 are longer in the order of the first conductor part 71, the second conductor part 81, and the third conductor part 91.
- the first conductor part 71, the second conductor part 81, and the third conductor part 91 are formed perpendicularly to each other.
- the second conductor section 81 and the third conductor section 91 are opposed to each other.
- the second conductor section 81 and the third conductor section 91 are formed in parallel.
- the lengths of the first conductor section 71, the second conductor section 81, and the third conductor section 91 can be arbitrarily changed depending on the design.
- the first conductor portion 72 is formed on the right side of the patch conductor 60.
- the first conductor portion 72 is formed on the right side of the notch portion 60b.
- the first conductor portion 72 is a conductor formed parallel to the X direction.
- One end of the first conductor section 72 and the patch conductor 60 are electromagnetically connected by a connecting conductor section 72a.
- the second conductor portion 82 is formed at the upper right portion of the patch conductor 60.
- the second conductor portion 82 is formed above the notch portion 60b.
- the second conductor portion 82 is a conductor formed parallel to the Y direction.
- One end of the second conductor section 82 and the connection conductor section 72a are electromagnetically connected by the connection conductor section 82a.
- the second conductor portion 82 is shorter than the first conductor portion 72.
- the third conductor portion 92 is formed between the second conductor portion 82 and the notch portion 60b.
- the third conductor portion 92 is a conductor whose one end is electromagnetically connected to the patch conductor 60 and extends parallel to the Y direction toward the +Y direction side.
- the third conductor portion 92 is shorter than the second conductor portion 82.
- the lengths of the first conductor part 72, the second conductor part 82, and the third conductor part 92 are longer in the order of the first conductor part 72, the second conductor part 82, and the third conductor part 92.
- the first conductor part 72, the second conductor part 82, and the third conductor part 92 are formed perpendicularly to each other.
- the second conductor section 82 and the third conductor section 92 are opposed to each other.
- the second conductor part 82 and the third conductor part 92 are formed in parallel.
- the lengths of the first conductor section 72, the second conductor section 82, and the third conductor section 92 can be arbitrarily changed depending on the design.
- the first conductor portion 73 is formed at the lower right portion of the patch conductor 60.
- the first conductor portion 73 is formed below the notch portion 60c.
- the first conductor portion 73 is a conductor formed parallel to the Y direction.
- One end of the first conductor section 73 and the patch conductor 60 are electromagnetically connected by a connecting conductor section 73a.
- the second conductor portion 83 is formed on the right side of the patch conductor 60.
- the second conductor portion 83 is formed on the right side of the notch portion 60c.
- the second conductor portion 83 is a conductor formed parallel to the X direction.
- One end of the second conductor section 83 and the connection conductor section 73a are electromagnetically connected by the connection conductor section 83a.
- the second conductor portion 83 is shorter than the first conductor portion 73.
- the third conductor portion 93 is formed between the second conductor portion 83 and the notch portion 60c.
- the third conductor portion 93 is a conductor whose one end is electromagnetically connected to the patch conductor 60 and extends parallel to the X direction on the +X direction side.
- the third conductor portion 93 is shorter than the second conductor portion 83.
- the lengths of the first conductor part 73, the second conductor part 83, and the third conductor part 93 are longer in the order of the first conductor part 73, the second conductor part 83, and the third conductor part 93.
- the first conductor part 73, the second conductor part 83, and the third conductor part 93 are formed perpendicularly to each other.
- the second conductor portion 83 and the third conductor portion 93 are opposed to each other.
- the second conductor part 83 and the third conductor part 93 are formed in parallel.
- the lengths of the first conductor section 73, the second conductor section 83, and the third conductor section 93 can be arbitrarily changed depending on the design.
- the first conductor portion 74 is formed on the left side of the patch conductor 60.
- the first conductor portion 74 is formed on the left side of the notch portion 60d.
- the first conductor portion 77 is a conductor formed parallel to the X direction.
- One end of the first conductor section 74 and the patch conductor 60 are electromagnetically connected by a connecting conductor section 74a.
- the second conductor portion 84 is formed at the lower left portion of the patch conductor 60.
- the second conductor portion 84 is formed below the notch portion 60d.
- the second conductor portion 84 is a conductor formed parallel to the Y direction.
- One end of the second conductor section 84 and the connection conductor section 74a are electromagnetically connected by the connection conductor section 84a.
- the second conductor portion 84 is shorter than the first conductor portion 74.
- the third conductor portion 94 is formed between the second conductor portion 84 and the notch portion 60d.
- the third conductor portion 94 is a conductor whose one end is electromagnetically connected to the patch conductor 60 and extends parallel to the Y direction toward the -Y direction side.
- the third conductor portion 94 is shorter than the second conductor portion 84.
- the lengths of the first conductor part 74, the second conductor part 84, and the third conductor part 94 are longer in the order of the first conductor part 74, the second conductor part 84, and the third conductor part 94.
- the first conductor part 74, the second conductor part 84, and the third conductor part 94 are formed perpendicularly to each other.
- the second conductor section 84 and the third conductor section 94 are opposed to each other.
- the second conductor section 84 and the third conductor section 94 are formed in parallel.
- the lengths of the first conductor section 74, the second conductor section 84, and the third conductor section 94 can be arbitrarily changed depending on the design.
- FIG. 16 is a diagram showing the reflection characteristics and transmission characteristics of the unit structure according to the fifth embodiment.
- a graph 109 shows the transmission characteristics of the unit structure according to the fifth embodiment.
- a graph 110 shows the reflection characteristics of the unit structure according to the fifth embodiment.
- the unit structure according to the fifth embodiment has four attenuation poles in the transmission characteristic: an attenuation pole P9, an attenuation pole P10, an attenuation pole P11, and an attenuation pole P12.
- the unit structure according to the fifth embodiment has a first resonant frequency f17, a second resonant frequency f18, a third resonant frequency f19, a fourth resonant frequency f20, and a fifth resonant frequency f21. and a sixth resonance frequency f22.
- the first resonant structure 11F is configured such that the portion that functions as a resonator differs depending on the frequency of radio waves received from the outside.
- FIG. 17A to 17F respectively show the magnetic field strength [A/m (ampere per meter)] of the first resonant structure 11F for the first frequency to the sixth frequency.
- the stronger the strength of the magnetic field the darker the color.
- FIG. 17A is a diagram showing simulation results showing the strength of the magnetic field for the radio waves of the first frequency of the unit structure according to the fifth embodiment.
- the first resonant frequency f17 is approximately 11.6 GHz.
- the magnetic fields are relative to each other around the first conductor part 71, the connecting conductor part 71a, and the notch part 60a, and around the first conductor part 73, the connecting conductor part 73a, and the notch part 60c. become stronger.
- the first conductor part 71, the connecting conductor part 71a, the vicinity of the notch part 60a, the first conductor part 73, the connecting conductor part 73a, and the vicinity of the notch part 60c resonate with respect to the first resonant frequency f17. It is configured to function as a container.
- FIG. 17B is a diagram showing simulation results showing the strength of the magnetic field for the second frequency radio waves of the unit structure according to the fifth embodiment.
- the second resonant frequency f18 is approximately 16.3 GHz.
- the magnetic fields are relative to each other around the first conductor part 71, the connecting conductor part 71a, and the notch part 60a, and around the first conductor part 73, the connecting conductor part 73a, and the notch part 60c. become stronger.
- the first conductor part 71, the connecting conductor part 71a, the vicinity of the notch part 60a, the first conductor part 73, the connecting conductor part 73a, and the vicinity of the notch part 60c resonate with respect to the second resonant frequency f18. It is configured to function as a container.
- FIG. 17C is a diagram showing simulation results showing the strength of the magnetic field for the radio waves of the third frequency of the unit structure according to the fifth embodiment.
- the third resonance frequency f19 is approximately 30.4 GHz.
- the magnetic fields are relative to each other around the second conductor part 81, the connecting conductor part 81a, and the notch part 60a, and around the second conductor part 83, the connecting conductor part 83a, and the notch part 60c. become stronger.
- the areas around the second conductor part 81, the connecting conductor part 81a, and the notch part 60a, the second conductor part 83, the connecting conductor part 83a, and the vicinity of the notch part 60c resonate with respect to the third resonant frequency f19. It is configured to function as a container.
- FIG. 17D is a diagram showing simulation results showing the strength of the magnetic field for the radio waves of the fourth frequency of the unit structure according to the fifth embodiment.
- the fourth resonant frequency f20 is approximately 33.1 GHz.
- the magnetic field becomes relatively strong in the conductor portion 73a, the connecting conductor portion 83a, the first conductor portion 74, and the connecting conductor portion 74a.
- the first conductor portion 74, and the connecting conductor portion 74a are configured to function as a resonator at the fourth resonant frequency f20.
- FIG. 17E is a diagram showing a simulation result showing the strength of the magnetic field for the radio wave of the fifth frequency of the unit structure according to the fifth embodiment.
- the fifth resonance frequency f21 is approximately 34.5 GHz.
- the first conductor part 71, the second conductor part 81, the connecting conductor part 71a, the connecting conductor part 81a, the first conductor part 73, the second conductor part 83, the connecting conductor part 73a, and the connecting conductor part 83a are It is configured to function as a resonator with respect to the resonant frequency f21.
- FIG. 17F is a diagram showing simulation results showing the strength of the magnetic field for the radio waves of the sixth frequency of the unit structure according to the fifth embodiment.
- the sixth resonant frequency f22 is approximately 36.9 GHz.
- the first conductor part 71, the connecting conductor part 71a, the first conductor part 72, the connecting conductor part 72a, the first conductor part 73, the connecting conductor part 73a, the first conductor part 74, and the connecting conductor part 74a are It is configured to function as a resonator with respect to the resonance frequency f22.
- the attenuation pole P11 and the attenuation pole P12 are formed between the third resonance frequency f19 and the sixth resonance frequency f22.
- the attenuation pole P11 is formed in a frequency band between the third resonance frequency f19 and the fourth resonance frequency f20.
- the attenuation pole P12 is formed between the fourth resonance frequency f20 and the fifth resonance frequency f21.
- the positions of the attenuation pole P11 and the attenuation pole P12 can be adjusted. This makes it possible to form a region 203 with a reflection characteristic of ⁇ 10 dB or less.
- Region 203 becomes a passband as a bandpass filter.
- the region 203 is, for example, a band from about 33.00 GHz to 37.00 GHz, but is not limited thereto.
- FIG. 18 is a diagram showing the amount of phase change of the unit structure according to the fifth embodiment.
- the unit structure according to the fifth embodiment can change the phase of the radio wave in the range of 180° to 0° in the region 203.
- the configuration of the radio wave control board can be made thinner.
- FIG. 19 is a diagram illustrating a configuration example of a first resonance structure according to another embodiment.
- FIG. 20 is a diagram illustrating a configuration example of a second resonant structure according to another embodiment.
- the unit structure according to another embodiment has a two-layer structure in which the first resonant structure 11F is arranged on the upper surface and the second resonant structure 12F is arranged on the lower surface.
- the first resonant structure 11F includes a reference conductor 20F, a first resonator 21F, a second resonator 22F, a second resonator 23F, a second resonator 24F, and a second resonator 20F.
- a container 25F is provided.
- the reference conductor 20F, the first resonator 21F, the second resonator 22F, the second resonator 23F, the second resonator 24F, and the second resonator 25F are the same It is formed on the XY plane.
- the reference conductor 20F is similar to the reference conductor 20 shown in FIG. 3, so a description thereof will be omitted.
- the first resonator 21F is similar to the first resonator 21 shown in FIG. 3, so a description thereof will be omitted.
- the second resonator 22F is made of a conductor.
- the second resonator 22F is formed, for example, at the upper left corner of the inner circumference of the reference conductor 20F.
- the second resonator 22F is formed on the XY plane.
- the second resonator 22F includes a first conductor section 221F and a second conductor section 222F.
- the first conductor portion 221F is formed in a rectangular shape.
- the left side and the upper side of the first conductor portion 221F are electromagnetically connected to the reference conductor 20F.
- the first conductor portion 221F has a cutout at the lower right corner.
- One end of the second conductor portion 222F is electromagnetically connected to the lower side of the first conductor portion 221F.
- the second conductor portion 222F extends parallel to the X direction toward the +X direction side.
- the second resonator 22F is configured as a ⁇ /4 resonator.
- the second resonator 23F is made of a conductor.
- the second resonator 23F is formed, for example, at the upper right corner of the inner circumference of the reference conductor 20F.
- the second resonator 23F is formed on the XY plane.
- the second resonator 23F includes a first conductor section 231F and a second conductor section 232F.
- the first conductor portion 231F is formed in a rectangular shape.
- the right side and the upper side of the first conductor portion 231F are electromagnetically connected to the reference conductor 20F.
- the first conductor portion 231F has a cutout at the lower left corner.
- the second conductor portion 232F has one end electromagnetically connected to the left side of the first conductor portion 231F.
- the second conductor portion 232F extends parallel to the Y direction toward the -Y direction side.
- the second resonator 23F is configured as a ⁇ /4 resonator.
- the second resonator 24F is made of a conductor.
- the second resonator 24F is formed, for example, at the lower right corner of the inner circumference of the reference conductor 20F.
- the second resonator 24F is formed on the XY plane.
- the second resonator 24F includes a first conductor section 241F and a second conductor section 242F.
- the first conductor portion 241F is formed in a rectangular shape.
- the right side and the lower side of the first conductor portion 241F are electromagnetically connected to the reference conductor 20F.
- the upper left corner of the first conductor portion 241F is cut out.
- One end of the second conductor portion 242F is electromagnetically connected to the upper side of the first conductor portion 241F.
- the second conductor portion 242F extends in the -X direction side in parallel to the X direction.
- the second resonator 24F is configured as a ⁇ /4 resonator.
- the second resonator 25F is made of a conductor.
- the second resonator 25F is formed, for example, at the lower left corner of the inner circumference of the reference conductor 20F.
- the second resonator 25F is formed on the XY plane.
- the second resonator 25F includes a first conductor section 251F and a second conductor section 252F.
- the first conductor portion 251F is formed in a rectangular shape.
- the left side and the lower side of the first conductor portion 251F are electromagnetically connected to the reference conductor 20F.
- the upper right corner of the first conductor portion 251F is cut out.
- One end of the second conductor portion 252F is electromagnetically connected to the right side of the first conductor portion 251F.
- the second conductor portion 252F extends parallel to the Y direction toward the +Y direction side.
- the second resonator 25F is configured as a ⁇ /4 resonator.
- the second resonator 22F, the second resonator 23F, the second resonator 24F, and the second resonator 25F each have the same shape.
- the first resonant structure 11F two different types of resonators, a ⁇ /2 resonator and a ⁇ /4 resonator, are formed on the same plane.
- the second resonant structure 12F includes a reference conductor 30F, a first resonator 31F, a second resonator 32F, a second resonator 33F, a second resonator 34F, and a second resonator 30F.
- a container 35F is provided in the second resonant structure 12F.
- the reference conductor 30F, the first resonator 31F, the second resonator 32F, the second resonator 33F, the second resonator 34F, and the second resonator 35F are the same It is formed on the XY plane.
- the reference conductor 30F is similar to the reference conductor 30 shown in FIG. 4, so a description thereof will be omitted.
- the first resonator 31F is similar to the first resonator 31 shown in FIG. 4, so a description thereof will be omitted.
- the second resonator 32F is made of a conductor.
- the second resonator 32F is formed, for example, at the upper left corner of the inner circumference of the reference conductor 30F.
- the second resonator 32F is formed on the XY plane.
- the second resonator 32F includes a first conductor section 321F and a second conductor section 322F.
- the first conductor portion 321F is formed in a rectangular shape.
- the left side and the upper side of the first conductor portion 321F are electromagnetically connected to the reference conductor 30F.
- the first conductor portion 321F has a cutout at the lower right corner.
- One end of the second conductor section 322F is electromagnetically connected to the right side of the first conductor section 321F.
- the second conductor portion 322F extends parallel to the Y direction toward the +Y direction side.
- the second resonator 32F is configured as a ⁇ /4 resonator.
- the second resonator 33F is formed of a conductor.
- the second resonator 33F is formed, for example, at the upper right corner of the inner circumference of the reference conductor 30F.
- the second resonator 33F is formed on the XY plane.
- the second resonator 33F includes a first conductor section 331F and a second conductor section 332F.
- the first conductor portion 331F is formed in a rectangular shape.
- the right side and the upper side of the first conductor portion 331F are electromagnetically connected to the reference conductor 30F.
- the first conductor portion 331F has a cutout at the lower left corner.
- One end of the second conductor portion 332F is electromagnetically connected to the lower side of the first conductor portion 331F.
- the second conductor portion 332F extends parallel to the X direction toward the +X direction side.
- the second resonator 33F is configured as a ⁇ /4 resonator.
- the second resonator 34F is made of a conductor.
- the second resonator 34F is formed, for example, at the lower right corner of the inner periphery of the reference conductor 30F.
- the second resonator 34F is formed on the XY plane.
- the second resonator 34F includes a first conductor section 341F and a second conductor section 342F.
- the first conductor portion 341F is formed in a rectangular shape.
- the right side and the lower side of the first conductor portion 341F are electromagnetically connected to the reference conductor 30F.
- the upper left corner of the first conductor portion 341F is cut out.
- One end of the second conductor section 342F is electromagnetically connected to the left side of the first conductor section 341F.
- the second conductor portion 342F extends parallel to the Y direction toward the ⁇ Y direction side.
- the second resonator 34F is configured as a ⁇ /4 resonator.
- the second resonator 35F is formed of a conductor.
- the second resonator 35F is formed, for example, at the lower left corner of the inner circumference of the reference conductor 30F.
- the second resonator 35F is formed on the XY plane.
- the second resonator 35F includes a first conductor section 351F and a second conductor section 352F.
- the first conductor portion 351F is formed in a rectangular shape.
- the left side and the lower side of the first conductor portion 351F are electromagnetically connected to the reference conductor 30F.
- the upper right corner of the first conductor portion 351F is cut out.
- One end of the second conductor section 352F is electromagnetically connected to the right side of the first conductor section 351F.
- the second conductor portion 352F extends parallel to the X direction toward the ⁇ X direction side.
- the second resonator 35F is configured as a ⁇ /4 resonator.
- the first conductor portion 221F and the first conductor portion 321F are formed to face each other.
- the first conductor portion 231F and the first conductor portion 331F are formed to face each other.
- the first conductor portion 241F and the first conductor portion 341F are formed to face each other.
- the first conductor portion 251F and the first conductor portion 351F are formed to face each other.
- the second conductor portion 222F and the second conductor portion 352F are formed so that a portion thereof faces each other.
- the second conductor portion 232F and the second conductor portion 322F are formed so as to partially face each other.
- the second conductor portion 242F and the second conductor portion 332F are formed so as to partially face each other.
- the second conductor portion 252F and the second conductor portion 342F are formed so as to partially face each other.
- FIG. 21 is a diagram showing reflection characteristics and transmission characteristics of a unit structure according to another embodiment.
- FIG. 22 is a diagram showing the amount of phase change of a unit structure according to another embodiment.
- a graph 111 shows transmission characteristics of unit structures according to other embodiments.
- Graph 112 shows the reflection characteristics of unit structures according to other embodiments.
- the unit structure according to the other embodiment has two attenuation poles, an attenuation pole P13 and an attenuation pole P14, in its transmission characteristics.
- the unit structure according to the other embodiments has a first resonant frequency f23, a second resonant frequency f24, a third resonant frequency f25, and a fourth resonant frequency f26.
- the attenuation pole P13 and the attenuation pole P14 are formed in a frequency band between the first resonance frequency f23 and the fourth resonance frequency f26.
- the attenuation pole P13 is formed in a frequency band between the first resonance frequency f23 and the second resonance frequency f24.
- the attenuation pole P14 is formed in a frequency band between the third resonance frequency f25 and the fourth resonance frequency f26.
- the positions of the attenuation pole P11 and the attenuation pole P12 can be adjusted. This makes it possible to form a region 204 with a reflection characteristic of ⁇ 10 dB or less.
- Region 204 becomes a passband as a bandpass filter.
- the region 203 is, for example, a band from about 33.00 GHz to 35.00 GHz, but is not limited thereto.
- FIG. 22 is a diagram showing the amount of phase change of a unit structure according to another embodiment.
- the unit structure according to another embodiment can change the phase of the radio wave in the range of 180° to 0° in the region 204.
- the configuration of the radio wave control board can be made thinner.
- Radio wave refraction plate 2 Substrate 10, 10A, 10B, 10C, 10D Unit structure 11, 11C First resonance structure 12, 12C Second resonance structure 20, 20A, 20B, 20C, 20F, 30, 30A, 30B, 30C, 30F Reference conductor 21, 21A, 21B, 21C, 21D, 21F, 31, 31A, 31B, 31C, 31D, 31F First resonator 22, 22A, 22B, 22F, 23, 23A, 23B, 23F, 24, 24A, 24B , 24F, 25, 25A, 25B, 25F, 32, 32A, 32B, 32F, 33, 33A, 33B, 33F, 34, 34A, 34B, 34F, 35, 35A, 35B, 35F Second resonator 40, 41, 42, 43, 44, 45 Resonator 60 Patch conductor 60a, 60b, 60c, 60d Notch portion 71, 72, 73, 74 First conductor portion 81, 82, 83, 84 Second conductor portion 91,
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Abstract
Description
(電波屈折板)
図1を用いて、第1実施形態に係る電波屈折板の概要について説明する。図1は、第1実施形態に係る電波屈折板の概要を説明するための図である。
図2は、第1実施形態に係る単位構造の構成例について説明する。図2は、第1実施形態に係る単位構造の構成例を示す図である。
図3を用いて、第1実施形態に係る第1共振構造の構成例について説明する。図3は、第1実施形態に係る第1共振構造の構成例を示す図である。
(特性の比較)
本実施形態では、第2共振器22から第2共振器25と、第2共振器32から第2共振器35とのそれぞれの大きさおよび重なり具合を調整することにより、電波の位相変化量と電波を透過させる周波数帯域とを調整することができる。
図5を用いて、第2実施形態の第1の例に係る単位構造における第1共振構造の第2共振器と第2共振構造の第2共振器との位置関係について説明する。図5は、第2実施形態の第1の例に係る第1共振構造の第2共振器と第2共振構造の第2共振器との位置関係を説明するための図である。
図8を用いて、第2実施形態の第2の例に係る単位構造における第1共振構造の第2共振器と第2共振構造の第2共振器との位置関係について説明する。図8は、第2実施形態の第2の例に係る第1共振構造の第2共振器と第2共振構造の第2共振器との位置関係を説明するための図である。
次に、第3実施形態について説明する。第3実施形態は、図5に示す単位構造10Aまたは図8に示す単位構造10Bを用いることにより、電波の位相を広範囲にわたって変化させることができる電波制御板を構成することができる。
第4実施形態について説明する。第1実施形態および第2実施形態では、同一の平面にλ/2共振器とλ/4共振器との2種類の共振器が形成されている共振構造を含む単位構造について説明した。本開示では、単位構造に含まれる共振構造では、2種類のλ/2共振器が形成されていてもよい。
第5実施形態について説明する。第5実施形態に係る共振構造は、外部から受ける電波の周波数に応じてλ/2共振器として機能する複数の共振部分を含む。
(共振構造)
図19と、図20とを用いて、その他の実施形態に係る共振構造について説明する。図19は、その他の実施形態に係る第1共振構造の構成例を示す図である。図20は、その他の実施形態に係る第2共振構造の構成例を示す図である。その他の実施形態に係る単位構造は、上面に第1共振構造11Fが配置され、下面に第2共振構造12Fが配置された2層構造を有する。
2 基板
10,10A,10B,10C,10D 単位構造
11,11C 第1共振構造
12,12C 第2共振構造
20,20A,20B,20C,20F,30,30A,30B,30C,30F 基準導体
21,21A,21B,21C,21D,21F,31,31A,31B,31C,31D,31F 第1共振器
22,22A,22B,22F,23,23A,23B,23F,24,24A,24B,24F,25,25A,25B,25F,32,32A,32B,32F,33,33A,33B,33F,34,34A,34B,34F,35,35A,35B,35F 第2共振器
40,41,42,43,44,45 共振器
60 パッチ導体
60a,60b,60c,60d 切り欠き部
71,72,73,74 第1導体部
81,82,83,84 第2導体部
91,92,93,94 第3導体部
Claims (18)
- 第1面方向に配列される複数の単位構造と、
前記複数の単位構造の基準電位となる基準導体と、を含み、
前記複数の単位構造は、
前記第1面方向に広がる第1共振器と、前記第1共振器と同一平面に形成され、前記基準導体と電磁気的に接続された第2共振器とを備え、前記第1面方向において回転対称である第1および第2共振構造を含み、
前記第1共振構造および前記第2共振構造は、第1方向に間隔を空けて、互いの前記第1共振器および前記第2共振器が対向するように配置されている、
電波制御板。 - 前記第1共振器は、λ/2共振器であり、
前記第2共振器は、λ/4共振器である、
請求項1に記載の電波制御板。 - 前記基準導体は、前記第1共振器および前記第2共振器と同一平面内で前記第1共振器および前記第2共振器の周囲を囲うように配置され、
前記第2共振器は、前記基準導体と電磁気的に接続されている、
請求項1または2に記載の電波制御板。 - 前記第1共振器は、前記第2共振器の内側に配置されている、
請求項3に記載の電波制御板。 - 前記第2共振器は、前記第1面方向において回転対称の形状を有する、
請求項1または2に記載の電波制御板。 - 前記基準導体は、矩形の枠体であり、
前記第2共振器は、前記基準導体の4隅に配置される、
請求項5に記載の電波制御板。 - 前記第2共振器は、ヘアピン型に形成されている、
請求項6に記載の電波制御板。 - 前記第1共振構造の前記第2共振器と、前記第2共振構造の前記第2共振器とは、同一形状を有し、互いに対向する前記第2共振器に対して回転した状態で形成されている、
請求項6に記載の電波制御板。 - 前記第1共振器は、パッチ導体である、
請求項6に記載の電波制御板。 - 前記第1共振器は、孔部を有する、
請求項9に記載の電波制御板。 - 前記第1共振器および前記第2共振器は、λ/2共振器である、
請求項1に記載の電波制御板。 - 前記λ/2共振器は、切り欠き部と、前記切り欠き部の周囲に設けられた第1導体部、前記第1導体部よりも短い第2導体部、および前記第2導体部よりも短い第3導体部を備え、
前記第2導体部と、前記第3導体部とは対向するように平行に形成され、
前記第1導体部と、前記第2導体部および前記第3導体部とは直交に形成されている、
請求項11に記載の電波制御板。 - 第1面方向に配列される複数の単位構造と、前記複数の単位構造の基準電位となる基準導体と、を含む電波制御板であって、
前記複数の単位構造は、
前記第1面方向に広がるλ/2共振器と、前記λ/2共振器と同一平面に形成され、前記基準導体と電磁気的に接続されたλ/4共振器とを備える第1および第2共振構造を含み、
前記第1共振構造および前記第2共振構造は、第1方向に間隔を空けて、互いの前記λ/2共振器および前記λ/4共振器が対向するように配置されている、
電波制御板。 - 前記電波制御板は、2個以上の共振周波数を有し、そのうち一部の共振周波数を使用してバンドフィルタの通過帯域を形成させるように構成されている、
請求項13に記載の電波制御板。 - 前記電波制御板は、低周波側から順に第1共振周波数、第2共振周波数、第3共振周波数、および第4共振周波数の4個の共振周波数を有し、高周波側の2個の共振周波数を使用してバンドパスフィルタの通過帯域を形成させるように構成されている、
請求項13に記載の電波制御板。 - 第1面方向に配列される複数の単位構造と、前記複数の単位構造の基準電位となる基準導体と、を含む電波制御板であって、
前記複数の単位構造は、
前記第1面方向に広がるλ/2共振器と、前記λ/2共振器と同一平面に形成され、前記基準導体と電磁気的に接続されたλ/4共振器とを備える第1および第2共振構造を含み、
前記第1共振構造および前記第2共振構造は、第1方向に間隔を空けて、互いの前記λ/2共振器および前記λ/4共振器が対向するように配置されており、
前記電波制御板は、低周波側から順に第1共振周波数、第2共振周波数、第3共振周波数、および第4共振周波数の4個の共振周波数を有し、前記第3共振周波数と前記第4共振周波数の間に2個の減衰極を発生させてバンドパスフィルタの通過帯域を形成させるように構成されている、
電波制御板。 - 第1面方向に配列される複数の単位構造と、前記複数の単位構造の基準電位となる基準導体と、を含む電波制御板であって、
前記複数の単位構造は、
前記第1面方向に広がるλ/2共振器と、前記λ/2共振器と同一平面に形成され、前記基準導体と電磁気的に接続されたλ/4共振器とを備える第1および第2共振構造を含み、
前記第1共振構造および前記第2共振構造は、第1方向に間隔を空けて、互いの前記λ/2共振器および前記λ/4共振器が対向するように配置されており、
前記電波制御板は、低周波側から順に第1共振周波数、第2共振周波数、第3共振周波数、および第4共振周波数の4個の共振周波数を有し、前記第1共振周波数と前記第3共振周波数の間に2個の減衰極を発生させてバンドパスフィルタの通過帯域を形成させるように構成されている、
電波制御板。 - 第1面方向に配列される複数の第1単位構造と、
前記第1面方向に配列される複数の第2単位構造と、
前記複数の第1単位構造および前記複数の第2単位構造の基準電位となる基準導体と、を含み、
前記複数の第1単位構造は、
前記第1面方向に広がるλ/2共振器と、前記λ/2共振器と同一平面に形成され、前記基準導体と電磁気的に接続されたλ/4共振器とを備える第1および第2共振構造を含み、
前記第1共振構造および前記第2共振構造は、第1方向に間隔を空けて、互いの前記λ/2共振器および前記λ/4共振器が対向するように配置されており、
前記複数の第2単位構造は、
前記第1面方向に広がる第1および第2パッチ導体を含み、
前記第1パッチ導体および前記第2パッチ導体は、前記第1方向に間隔を空けて、対抗するように配置されている、
電波制御板。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2024544085A JPWO2024048233A1 (ja) | 2022-08-29 | 2023-08-09 | |
| KR1020257004859A KR20250037541A (ko) | 2022-08-29 | 2023-08-09 | 전파 제어판 |
| EP23859999.7A EP4583312A1 (en) | 2022-08-29 | 2023-08-09 | Radio wave control plate |
| CN202380062095.7A CN119768971A (zh) | 2022-08-29 | 2023-08-09 | 电波控制板 |
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| JP2022-136368 | 2022-08-29 | ||
| JP2022136368 | 2022-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2023/029154 Ceased WO2024048233A1 (ja) | 2022-08-29 | 2023-08-09 | 電波制御板 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4583312A1 (ja) |
| JP (1) | JPWO2024048233A1 (ja) |
| KR (1) | KR20250037541A (ja) |
| CN (2) | CN118923002A (ja) |
| WO (1) | WO2024048233A1 (ja) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010527565A (ja) * | 2007-05-15 | 2010-08-12 | トヨタ モーター エンジニアリング アンド マニュファクチャリング ノース アメリカ,インコーポレイティド | マイクロ波放射用の屈折率分布型レンズ |
| JP2015231182A (ja) | 2014-06-06 | 2015-12-21 | 日本電信電話株式会社 | メタマテリアル受動素子 |
| WO2018087982A1 (ja) * | 2016-11-09 | 2018-05-17 | 日本電気株式会社 | 通信装置 |
-
2023
- 2023-04-07 CN CN202380033154.8A patent/CN118923002A/zh active Pending
- 2023-08-09 EP EP23859999.7A patent/EP4583312A1/en active Pending
- 2023-08-09 KR KR1020257004859A patent/KR20250037541A/ko active Pending
- 2023-08-09 CN CN202380062095.7A patent/CN119768971A/zh active Pending
- 2023-08-09 JP JP2024544085A patent/JPWO2024048233A1/ja active Pending
- 2023-08-09 WO PCT/JP2023/029154 patent/WO2024048233A1/ja not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010527565A (ja) * | 2007-05-15 | 2010-08-12 | トヨタ モーター エンジニアリング アンド マニュファクチャリング ノース アメリカ,インコーポレイティド | マイクロ波放射用の屈折率分布型レンズ |
| JP2015231182A (ja) | 2014-06-06 | 2015-12-21 | 日本電信電話株式会社 | メタマテリアル受動素子 |
| WO2018087982A1 (ja) * | 2016-11-09 | 2018-05-17 | 日本電気株式会社 | 通信装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4583312A1 (en) | 2025-07-09 |
| JPWO2024048233A1 (ja) | 2024-03-07 |
| KR20250037541A (ko) | 2025-03-17 |
| CN118923002A (zh) | 2024-11-08 |
| CN119768971A (zh) | 2025-04-04 |
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