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WO2015122077A1 - Boîtier équipé d'une antenne - Google Patents

Boîtier équipé d'une antenne Download PDF

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Publication number
WO2015122077A1
WO2015122077A1 PCT/JP2014/081101 JP2014081101W WO2015122077A1 WO 2015122077 A1 WO2015122077 A1 WO 2015122077A1 JP 2014081101 W JP2014081101 W JP 2014081101W WO 2015122077 A1 WO2015122077 A1 WO 2015122077A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
pattern
housing
casing
reinforcing
Prior art date
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.)
Ceased
Application number
PCT/JP2014/081101
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English (en)
Japanese (ja)
Inventor
智文 片山
武部　裕幸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of WO2015122077A1 publication Critical patent/WO2015122077A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/28—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements
    • H01Q19/32—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements the primary active element being end-fed and elongated
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength

Definitions

  • the present invention relates to an antenna-attached casing that is suitably used for a portable terminal device or the like.
  • a portable wireless communication device such as a mobile phone is generally provided with an antenna for wireless communication.
  • Such an antenna is formed in a housing as a metal film pattern as disclosed in, for example, Patent Document 1.
  • Patent Document 1 a coating material such as ABS resin, which is easily deposited on a thermoplastic resin or thermosetting resin on a plastic base formed of polyester, polyacrylate, polycarbonate, or the like and plating is easily deposited, is used as a catalyst body. And forming a metal film (plating layer) on the upper surface of the catalyst body.
  • Patent Document 1 discloses that an antenna pattern and an electromagnetic wave shielding film are formed on an inner surface of a case (housing) of a mobile communication terminal. The antenna pattern and the electromagnetic wave shielding film are formed in a rectangular shape that extends in the width direction of the case at an interval.
  • antenna characteristics can be improved by using a material having a low dielectric constant and dielectric loss tangent, such as polycarbonate, as a plastic material for arranging the antenna. Further, the case disclosed in Patent Document 1 can be increased in strength by an antenna pattern and an electromagnetic wave shielding film.
  • Japanese Patent Publication Japanese Patent Laid-Open No. 2008-69454 (published March 27, 2008)
  • plastics containing glass or nylon-based plastics may be used for housings that require strength, such as mobile phone cases.
  • both glass-containing plastics and nylon-based plastics deteriorate the dielectric constant and dielectric loss tangent, it is difficult to improve both antenna characteristics and strength.
  • ABS resin and plastics such as polycarbonate used for antenna formation disclosed in Patent Document 1 can improve antenna characteristics, they are insufficient in strength to be used as a casing. For this reason, it has been difficult to improve both antenna characteristics and strength using these plastics.
  • the strength is improved in the portion where the antenna pattern and the electromagnetic wave shielding film are disposed, but in the region between the antenna pattern and the electromagnetic wave shielding film, other metal films Since no pattern is formed, the strength is insufficient. Therefore, this portion is liable to be deformed or damaged by an excessive force.
  • the antenna pattern and the electromagnetic wave shielding film are not provided for improving the strength of the case, their arrangement and shape are not designed to be suitable for improving the strength.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide an antenna-attached casing that can ensure good antenna characteristics and high strength.
  • an antenna-attached housing has a metal antenna pattern including a main body portion that radiates electromagnetic waves and a power feeding portion that is fed on a surface of a dielectric housing.
  • the antenna-attached housing is formed by a metal pattern formed of metal on the surface of the housing, the antenna pattern and the metal pattern are formed in a linear shape, and the metal pattern is
  • the antenna pattern includes a portion extending in a direction different from a direction in which the main body extends.
  • FIG. 6 is a plan view showing a configuration of an antenna-attached housing according to a modification of Embodiment 1.
  • FIG. It is a top view which shows the structure of the antenna attachment housing
  • FIG. 4 is a cross-sectional view taken along the line AA of the antenna attachment housing shown in FIG. 3. It is a top view which shows the structure of the antenna attachment housing
  • FIG. 6 It is a side view which shows the connection structure of a board
  • FIG. 1 is a plan view showing a configuration of an antenna-attached casing 10 according to the first embodiment of the present invention.
  • an antenna-attached casing 10 is used in a portable communication device such as a mobile phone, and includes a casing 1, an antenna pattern 2, and reinforcing patterns 3 and 4 (metal patterns). Prepare.
  • the housing 1 has a rectangular shape, but the shape is not limited to this.
  • the housing 1 is made of a dielectric material.
  • a dielectric material a plastic material having a low dielectric constant and dielectric loss tangent (a dielectric material having a low dielectric constant) is preferably used.
  • ABS, polyester, polyacrylate, polycarbonate, and the like are particularly preferable.
  • the dielectric material does not contain a fiber-based reinforcing material such as glass that increases the dielectric constant.
  • the material used as the base material of the housing 1 does not contain nylon-based plastics that increase the dielectric constant.
  • An antenna pattern 2 and reinforcing patterns 3 and 4 are formed on the surface of the housing 1.
  • the antenna pattern 2 is a metal film pattern that functions as an antenna for wireless communication, and is formed in a linear shape (or strip shape) having a predetermined width.
  • This antenna pattern 2 is a so-called inverted L antenna, and has a main body portion 2a and a power feeding portion 2b.
  • the main body 2a is disposed in the vicinity of the edge on one short side of the housing 1 and extends in the direction of the edge.
  • the tip of the main body 2a is a portion where the current distribution is the largest, and is the radiation portion that emits the most electromagnetic waves.
  • the power feeding unit 2b extends from one end of the main body 2a so as to be orthogonal to the main body 2a.
  • the power feeding unit 2b has a feeding point to be fed at an arbitrary position, and is connected to a substrate provided with a communication circuit via a communication line at the feeding point.
  • the antenna pattern 2 is said reverse L antenna, it is not limited to this, For example, an inverted F antenna etc. may be sufficient.
  • the reinforcing patterns 3 and 4 are metal film patterns provided to reinforce the housing 1, and are formed in a straight line (or strip shape) having a predetermined width. These reinforcing patterns 3 and 4 are respectively arranged in the vicinity of both short-side edges of the housing 1. One end of the reinforcing pattern 3 is disposed close to the end of the power feeding part 2 b of the antenna pattern 2. One end of the reinforcing pattern 4 is disposed on the end side of the main body 2 a of the antenna pattern 2. One end of the reinforcing patterns 3 and 4 reaches the vicinity of the edge on the short side where the antenna pattern 2 in the housing 1 is not provided. Further, the reinforcing patterns 3 and 4 extend in a direction orthogonal (different) to a direction in which the main body 2a of the antenna pattern 2 extends.
  • the reinforcing pattern 3 adjacent to the antenna pattern 2 is separated from the antenna pattern 2 (feeding portion 2b) by a distance D that does not interfere with the antenna pattern 2 and that the antenna pattern 2 and the reinforcing pattern 3 do not interfere with each other.
  • the distance D is preferably 5 mm to 10 mm.
  • the antenna pattern 2 and the reinforcing pattern 3 are generated simultaneously by plating.
  • electroplating is preferable.
  • these patterns can be formed efficiently. Further, by using electroplating as plating, these patterns can be generated at the same time and only in necessary portions.
  • a metal material for forming the antenna pattern 2 and the reinforcing pattern 3 at least one of tungsten, chromium, rhodium, nickel, copper, an alloy thereof, or any one of them is laminated and used.
  • the strong antenna pattern 2 and the reinforcing pattern 3 can be formed.
  • these metal materials are advantageous in that they have a low surface resistance value and are easy to ride with copper or nickel and other platings stacked on top of each other (eg, copper plating is the base material and nickel is easy to stack). Have as.
  • the antenna pattern 2 and the reinforcing pattern 3 formed of metal are formed in the vicinity of the edges of the three sides of the casing 1.
  • the reinforcing pattern 3 is formed so as to extend in a direction (different) orthogonal to the direction in which the main body 2a of the antenna pattern 2 extends.
  • the casing 1 is made of a plastic material having a low dielectric constant and dielectric loss tangent, and does not contain a fiber-based reinforcing material such as glass or a nylon-based plastic. Thereby, the dielectric constant of the housing 1 can be kept low.
  • FIG. 2 is a plan view showing the configuration of the antenna-attached housing 10A according to this modification.
  • the antenna-attached casing 10 ⁇ / b> A includes the casing 1 and the antenna pattern 2 in the same manner as the antenna-attached casing 10, but instead of the reinforcing patterns 3 and 4, a reinforcing pattern 5 (metal pattern) is provided.
  • the reinforcing pattern 5 is a metal film pattern provided to reinforce the housing 1, and is composed of a plurality of first patterns 5a and a plurality of second patterns 5b.
  • Each of the first patterns 5a is formed in a straight line (or strip shape) having a predetermined width so as to extend in the longitudinal direction of the housing 1, and is arranged in parallel to each other at a predetermined interval.
  • Each of the second patterns 5b is formed in a straight line (or strip shape) having a predetermined width and extending in a direction orthogonal to the longitudinal direction of the housing 1, and is arranged in parallel to each other at a predetermined interval. ing. Further, the first pattern 5a and the second pattern 5b are arranged in a lattice pattern crossing each other. Further, the first pattern 5a extends in a direction orthogonal (different) to the direction in which the main body 2a of the antenna pattern 2 extends.
  • the reinforcing pattern 5 is formed in a lattice shape.
  • the strength can be further improved as compared with the antenna-attached housing 10, and the antenna-attached housing can be formed in a large area with a small amount of plating compared to the case where the reinforcing pattern is firmly formed in a surface shape.
  • 10A can be reinforced. Thereby, weight reduction and cost reduction of the antenna-attached casing 10A can be achieved.
  • the material for forming the casings 11, 21, 31 (see FIGS. 3, 5, and 6) is the same as the above-described material used for forming the casing 1. It is.
  • the materials and methods for forming the reinforcing patterns 13, 23, 24, 33 formed on the casings 11, 21, 31 are the same as those for forming the reinforcing patterns 3, 4. It is the same as the above-mentioned material and plating used.
  • the reinforcing patterns 13, 23, 33 adjacent to the antenna pattern 2 do not interfere with the antenna pattern 2, and the antenna patterns 2, 21, 31 of the respective casings 11, 21, 31 are similar to the reinforcing pattern 3.
  • the above-mentioned distances (preferably 5 mm to 10 mm) that do not interfere with each other are separated from the antenna pattern 2. Therefore, in the second to fourth embodiments, description of each of the above items is omitted.
  • FIG. 3 is a plan view showing the configuration of the antenna-attached casing 10B according to the second embodiment.
  • 4 is a cross-sectional view taken along line AA of the antenna-attached casing 10B shown in FIG.
  • members having the same functions as those described in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
  • the antenna-attached casing 10B is used for a portable communication device such as a mobile phone, and includes an antenna pattern 2, a casing 11, a reinforcing pattern 13 (metal pattern), and a packing 14. Is provided.
  • the housing 11 has a rectangular shape, but the shape is not limited to this.
  • the housing 11 has an opening 11a formed at a substantially central portion.
  • the opening 11a forms a space for arranging the battery 6.
  • the case 11 has narrow portions 11b and 11c that are formed narrow on both sides of the opening 11a (both sides in the width direction of the case 11) by forming the opening 11a.
  • An antenna pattern 2 is formed on the outer surface of the housing 11, and a reinforcing pattern 13 and a packing 14 are formed on the inner surface of the housing 11.
  • the main body 2a of the antenna pattern 2 is disposed in the vicinity of the edge on one short side of the housing 11 and extends in the direction of the edge.
  • the packing 14 is a waterproof member, and is formed in a linear shape (band shape) around the entire periphery of the housing 11 in the vicinity of the outer peripheral edge of the housing 11.
  • the packing 14 may be provided at least only in the vicinity of the edge on the narrow width portion 11b side where high waterproofness is required by disposing a switch or the like (not shown).
  • the packing 14 is arrange
  • the packing 14 is made of a material having high elasticity and adhesion such as rubber. Thereby, the packing 14 exhibits waterproof performance by being in close contact with the packing provided in the casing (not shown) to be bonded to the casing 11 as a pair.
  • the reinforcing pattern 13 is a pattern of a metal film provided to reinforce the casing 11, and is formed in a straight line (or strip shape) having a predetermined width.
  • the reinforcing pattern 13 is disposed so as to surround the opening 11a over the entire circumference and on the inner side (not shown, but may be on the outer side) of the packing 14. With this arrangement, the portion of the reinforcing pattern 13 that is arranged near the edge on the long side of the housing 11 extends in a direction different from the direction in which the main body 2a of the antenna pattern 2 extends. Further, as shown in FIG. 4, the reinforcing pattern 13 is formed on the side wall 11 e in a portion disposed at the edge of the housing 11 on the narrow width portion 11 b side. The side wall 11e is formed closer to the opening 11a than the aforementioned groove 11d.
  • the packing arrangement portion where the packing 14 is arranged has rigidity and strength due to the formation of the reinforcing pattern 13 around the packing arrangement portion. Enhanced. Thereby, since the said packing arrangement
  • a part of the reinforcing pattern 13 is also disposed in the narrow width portions 11 b and 11 c formed narrower (thinner) than the width of the housing 11.
  • casing 11 can be improved effectively.
  • the antenna-attached casings 10C and 10D see FIGS. 5 and 6) of the following second and third embodiments.
  • FIG. 5 is a plan view showing a configuration of an antenna-attached housing 10C according to Embodiment 3 of the present invention.
  • members having the same functions as those described in the first and second embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.
  • the antenna-attached housing 10C is used for a portable communication device such as a mobile phone, similar to the antenna-attached housing 10B described above, and includes the housing 21, the antenna pattern 2, The packing 14 and the reinforcing patterns 23 and 24 (metal pattern) are provided.
  • the casing 21 has the same external shape as that of the casing 11 described above, and an opening 21a for battery placement is formed at substantially the center.
  • the housing 21 has narrow portions 21b and 21c that are formed narrow on both sides of the opening 21a (both sides in the width direction of the housing 21) by forming the opening 21a.
  • the housing 21 has ribs 21d and 21e.
  • the rib 21d is formed inside the packing 14 along the edge of the housing 21 on the narrow width portion 21b side.
  • the rib 21e is formed on the inner side of the packing 14 so as to be along the edge on one short side adjacent to the edge. Further, the ribs 21d and 21e are continuously formed so as to protrude from the inner surface of the casing 21, and have a function of reinforcing the casing 21, a positioning function of the internal structure housed in the casing 21, It has an impact buffering function to the internal structure when the casing 21 is dropped.
  • the antenna pattern 2 is formed on the outer surface of the housing 21, and the packing 14 and the reinforcing patterns 23 and 24 are formed on the inner surface of the housing 21.
  • the packing 14 is formed in the housing 21 in the same form as the packing 14 in the housing 11.
  • the reinforcing patterns 23 and 24 are metal film patterns provided to reinforce the casing 21, and are formed in a linear shape (or a belt shape) having a predetermined width.
  • the reinforcing pattern 23 is formed so as to cover the upper end surface of the rib 21d, and the reinforcing pattern 24 is formed so as to cover a part of the upper end surface of the rib 21e. With such an arrangement, the reinforcing pattern 23 extends in a direction (different) perpendicular to the direction in which the main body 2a of the antenna pattern 2 extends.
  • the reinforcing patterns 23 and 24 are formed so as to cover the ribs 21d and 21e, respectively. Thereby, the strength of the ribs 21d and 21e can be increased. Therefore, even if a large force acts locally on the portion of the housing 21 where the ribs 21d and 21e are formed, the ribs 21d and 21e can be prevented from being broken.
  • FIG. 6 is a plan view illustrating a configuration of an antenna accessory housing 10D according to the fourth embodiment.
  • FIG. 7 is a side view showing a connection structure between the substrate 35 and the reinforcing pattern 33 formed on the housing 31.
  • members having the same functions as those described in the first to third embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.
  • the antenna-attached casing 10D is used in a portable communication device such as a mobile phone, like the antenna-attached casing 10B described above, and includes the antenna pattern 2, the packing 14, the casing 31, and the reinforcing pattern. 33 (metal pattern).
  • the casing 31 has the same external shape as that of the casing 11 described above, and an opening 31a for battery placement is formed at substantially the center.
  • the housing 31 has narrow portions 31b and 31c that are formed narrow on both sides of the opening 31a (both sides in the width direction of the housing 31) by forming the opening 31a.
  • the antenna pattern 2 is formed on the outer surface of the housing 31, and the packing 14 and the reinforcing pattern 33 are formed on the inner surface of the housing 31.
  • the packing 14 is formed in the casing 31 in the same form as the packing 14 in the casing 11.
  • the reinforcing pattern 33 is a pattern of a metal film provided to reinforce the casing 31, and is formed in a linear shape (or strip shape) having a predetermined width.
  • the reinforcing pattern 33 is formed inside the packing 14 along the edge of the casing 31 on the narrow width portion 31b side. With such an arrangement, the reinforcing pattern 33 extends in a direction orthogonal (different) to the direction in which the main body 2a of the antenna pattern 2 extends.
  • the reinforcing pattern 33 is connected to the substrate 35 (or the GND sheet metal) through the GND connection point 34 (contact point) at at least one location (for example, the connection portion 33a).
  • the GND connection point 34 is an electrical connection member having a variable connection position constituted by a contact spring, a conductive cushion, and the like, and is connected to a GND pattern 36 (ground) provided on the substrate 35.
  • a wiring pattern 37 is formed on the substrate 35, and a chip component 38 is further mounted thereon.
  • a chip component 38 As the chip component 38, a capacitor, a coil, or the like is provided.
  • the antenna pattern 2 is also connected to the substrate 35.
  • the degree of interference of the reinforcing pattern 33 with the antenna pattern 2 can be adjusted by connecting the reinforcing pattern 33 and the substrate 35 with the GND connection point 34. The adjustment will be described below.
  • FIG. 8A is a graph showing the resonance characteristics of the antenna pattern 2 in the casing 31, and FIG. 8B is a graph showing the resonance characteristics of the reinforcing pattern 33 in the casing 31.
  • the resonance characteristic shown in FIG. 8A is measured at a point P1 farthest from the reinforcement pattern 33 in the antenna pattern 2, and the resonance characteristic shown in FIG. It is measured at a remote point P2.
  • the resonance of the reinforcing pattern 33 (around 1650 MHz) appears.
  • resonance (around 1650 MHz) of the reinforcing pattern 33 shown in FIG. 8B appears on the antenna pattern 2 side (a portion indicated by a broken circle). This indicates that the reinforcing pattern 33 interferes with the antenna pattern 2, and that the resonance effect of the reinforcing pattern 33 appears in the resonance characteristics of the antenna pattern 2 is a factor that deteriorates the antenna characteristics. May be.
  • the chip component 38 is mounted on the substrate 35 and connected to the chip component 38, the GND pattern 36, and the wiring pattern 37. Thereafter, the reinforcing pattern 33 and the substrate 35 are connected by the GND connection point 34. At this time, by adjusting the connection position of the GND connection point 34 to change the resonance position and level of the reinforcing pattern 33 appearing in the resonance characteristic of the antenna pattern 2, the antenna characteristic is optimally adjusted.
  • the antenna characteristics can be optimally adjusted by using the chip component 38 instead of the GND connection point 34. For example, when the reinforcing pattern 33 is connected to the GND pattern 36 via a coil, a capacitor, or a combination of a coil and a capacitor, the position of the resonance by the reinforcing pattern 33 can be moved left and right.
  • the antenna-attached casing 10D of the present embodiment connects the reinforcing pattern 33 and the substrate 35 via the GND connection point 34.
  • the degree of interference of the reinforcing pattern 33 with the antenna pattern 2 can be adjusted. Therefore, even if the reinforcement pattern 33 and the antenna pattern 2 are arranged close to each other in order to increase the strength of the casing 31 and the interference of the reinforcement pattern 33 with the antenna pattern 2 is increased, the adjustment as described above is performed. The degree of interference can be reduced.
  • the antenna-attached casings (10, 10A to 10D) include a main body (2a) that radiates electromagnetic waves and a power feed on the surface of the casing (1, 11, 21, 31) made of a dielectric.
  • An antenna accessory case in which the antenna pattern (2) including the feeding portion (2b) to be formed is made of metal, and is formed on the surface of the case with a metal to reinforce the case. 5, 13, 13, 14, 33), the antenna pattern and the reinforcing pattern are linearly formed, and the reinforcing pattern includes a portion extending in a direction different from the direction in which the main body of the antenna pattern extends. It is out.
  • the reinforcing pattern includes a portion extending in a direction different from the direction in which the main body of the antenna pattern extends, thereby improving the strength of the antenna-attached casing while maintaining good antenna characteristics. Can do.
  • the antenna-attached casing according to aspect 2 of the present invention is the above-described aspect 1 in which the casing has an opening, and the reinforcing pattern (13, 23, 33) is the opening (11a, 21a, 31a). You may arrange
  • the antenna-attached casing according to aspect 3 of the present invention is the above-described aspect 1 or 2, wherein the casing (21) has ribs (21d, 21e), and the reinforcing pattern (23, 24) is the rib. It may be formed on. Thereby, since the reinforcement pattern is formed on the rib, the strength of the rib can be increased.
  • the antenna-attached casing according to the aspect 4 of the present invention is the antenna according to any one of the aspects 1 to 3, wherein the casing is provided with a waterproof packing (14), and the reinforcing pattern (13) is It may be formed around the packing.
  • a waterproof packing 14
  • the reinforcing pattern (13) is It may be formed around the packing.
  • the reinforcing pattern (33) is variable via a capacitor, a coil, a combination of a capacitor and a coil, or a position.
  • the antenna-attached casing according to Aspect 6 of the present invention is the antenna attached casing according to any one of Aspects 1 to 5, wherein the reinforcing pattern (13, 23, 33) is narrower than the width of the casing (11, 21, 33). It may be formed in the part (narrow width part 11b, 21b, 31b) which has. Thereby, the intensity
  • the reinforcing pattern may be formed in a lattice shape in any of the above aspects 1 to 6.
  • casing can be reinforced with few metal materials.
  • the antenna-attached casing according to the eighth aspect of the present invention may be any one of the first to seventh aspects, wherein the casing is made of the dielectric having a low dielectric constant. Thereby, antenna characteristics can be improved.
  • a method for manufacturing an antenna-attached casing according to the ninth aspect of the present invention is a method for manufacturing an antenna-attached casing according to any one of the first to eighth aspects, wherein the antenna pattern and the reinforcement are provided.
  • a pattern is simultaneously formed on the housing by plating. Thereby, these patterns can be efficiently formed by simultaneously generating the antenna pattern and the reinforcing pattern by plating.
  • the plating may be electric field plating.
  • an antenna pattern and a reinforcement pattern can be generated simultaneously and only in necessary portions.
  • the reinforcing pattern may be formed of at least one of tungsten, chromium, rhodium, nickel and copper in the above aspect 9 or 10. Thereby, a strong reinforcement pattern can be formed.
  • the antenna pattern may be formed of at least one of tungsten, chromium, rhodium, nickel, and copper. Thereby, a strong antenna pattern can be formed.
  • the present invention can be suitably used for a casing of a mobile phone or the like.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)
  • Telephone Set Structure (AREA)

Abstract

L'invention concerne un boîtier qui peut garantir à la fois de bonnes caractéristiques d'antenne et une résistance élevée. Un boîtier équipé d'une antenne-boîtier (10) comprend des motifs de renforcement (3, 4) qui sont des motifs métalliques formés à partir d'un métal sur la surface d'un boîtier (1). Un motif d'antenne (2) et les motifs de renforcement (3, 4) sont formés de manière linéaire, et les motifs de renforcement (3, 4) comprennent des parties qui s'étendent dans une direction différente de la direction dans laquelle s'étend une partie principale (2a) du motif d'antenne (2).
PCT/JP2014/081101 2014-02-14 2014-11-25 Boîtier équipé d'une antenne Ceased WO2015122077A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014027022A JP2015154295A (ja) 2014-02-14 2014-02-14 アンテナ付属筐体
JP2014-027022 2014-02-14

Publications (1)

Publication Number Publication Date
WO2015122077A1 true WO2015122077A1 (fr) 2015-08-20

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0567091U (ja) * 1992-02-21 1993-09-03 エヌオーケー株式会社 電磁波遮蔽板
JPH11277648A (ja) * 1998-03-27 1999-10-12 Sharp Corp 筐体及び携帯電話用筐体
JP2002155392A (ja) * 2000-11-16 2002-05-31 Nec Corp 携帯電話機筐体
JP2003069325A (ja) * 2001-08-28 2003-03-07 Tdk Corp アンテナ装置およびそれを用いた電子装置
JP2008259102A (ja) * 2007-04-09 2008-10-23 Fujitsu Component Ltd アンテナ装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5482443B2 (ja) * 2010-05-21 2014-05-07 日本電気株式会社 携帯電子機器の筐体構造

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0567091U (ja) * 1992-02-21 1993-09-03 エヌオーケー株式会社 電磁波遮蔽板
JPH11277648A (ja) * 1998-03-27 1999-10-12 Sharp Corp 筐体及び携帯電話用筐体
JP2002155392A (ja) * 2000-11-16 2002-05-31 Nec Corp 携帯電話機筐体
JP2003069325A (ja) * 2001-08-28 2003-03-07 Tdk Corp アンテナ装置およびそれを用いた電子装置
JP2008259102A (ja) * 2007-04-09 2008-10-23 Fujitsu Component Ltd アンテナ装置

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