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WO2013119012A1 - Appareil de mesure de la distance d'un trou d'un parcours de golf utilisant un prisme dédoublé - Google Patents

Appareil de mesure de la distance d'un trou d'un parcours de golf utilisant un prisme dédoublé Download PDF

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Publication number
WO2013119012A1
WO2013119012A1 PCT/KR2013/000901 KR2013000901W WO2013119012A1 WO 2013119012 A1 WO2013119012 A1 WO 2013119012A1 KR 2013000901 W KR2013000901 W KR 2013000901W WO 2013119012 A1 WO2013119012 A1 WO 2013119012A1
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WO
WIPO (PCT)
Prior art keywords
image
prism
distance
split prism
objective lens
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/KR2013/000901
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English (en)
Korean (ko)
Inventor
차정원
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.)
Individual
Original Assignee
Individual
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
Priority claimed from KR1020130010765A external-priority patent/KR101397902B1/ko
Application filed by Individual filed Critical Individual
Priority to CN201380008571.3A priority Critical patent/CN104204722B/zh
Priority to US14/377,177 priority patent/US9417061B2/en
Priority to JP2014556474A priority patent/JP5957542B2/ja
Publication of WO2013119012A1 publication Critical patent/WO2013119012A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/02—Details
    • G01C3/04—Adaptation of rangefinders for combination with telescopes or binoculars
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/32—Measuring distances in line of sight; Optical rangefinders by focusing the object, e.g. on a ground glass screen
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/20—Distances or displacements
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/80—Special sensors, transducers or devices therefor
    • A63B2220/805—Optical or opto-electronic sensors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/001—Axicons, waxicons, reflaxicons

Definitions

  • the present invention relates to a golf course hole distance measurer using a phase-split prism, and more particularly, a golf distance measurer that can easily and precisely measure the distance to a distance measuring object such as a flag pole or a flag located in a hole using a telescope. It is about.
  • the rules of the game of golf is to check the distance of the hole and to use the golf club that fits the hitting distance to put it in the hole with the minimum number of strokes.
  • a flag pole having a height of about 2.2 m is placed on the hole so that the golfer can easily check the distance and direction of the hole.
  • the conventional distance measuring device is configured to fasten and fix the separated upper case and the lower case to form a main body, but protruding the fixing portion and the support portion inside the lower case having a see-through hole on one surface to the reflective mirror and one side fixing portion
  • the prism mirror was adhesively fixed to the opposite side, a convex mirror was attached to one side of the support and a transparent glass was tightly inserted to the one side of the support, and a microfilm having a transparent scale and a baseline number was attached to one side of the transparent glass.
  • the conventional structure as described above is used by matching the image of the flagpole to the reference line indicated for measuring the distance. Therefore, as the distance increases, the scale becomes more dense, and the error is too severe to measure the contrast with the flagpole which looks fine at a long distance, and furthermore, the measurement is impossible.
  • the telescope as shown in FIG. 1 and the conventional reticle 40 and the number of reference lines may be formed using the reticle 40 engraved. Because of the sensitive response, it was difficult to check the scale according to the size of the flagpole.
  • the laser distance measuring device that measures the distance using the reflected beam by shooting a laser beam on the flagpole has the advantage of high accuracy, but has the disadvantage of high price point, and uses the GPS device to reach the center or the edge of the golfer and the green. Distance measuring device using GPS to measure the distance should be estimated by guessing the exact distance to the flagpole, there is an inconvenience that must be constantly upgraded.
  • an object of the present invention is to solve such a conventional problem, and the two images are separated even if the housing is shaken by vibration by separating the images into two using an image split prism disposed between the objective lens and the eyepiece. It is to provide a golf course hole distance meter using a phase-dividing prism that can accurately measure the distance to the flag pole even when vibrations such as hand shaking by moving together as if attached.
  • the present invention provides a golf course hole distance measurer using an image split prism capable of applying a high magnification telescope or zoom lens by improving the inconvenience of measurement caused by hand shaking.
  • the object is, according to the present invention, a cylindrical housing having a front and rear opening; and an objective lens composed of one or more lenses disposed at the front end of the housing to face a distance measuring object; and by the objective lens Display means for providing an image to a user; and an image disposed between the objective lens and the display means to separate and image an image on the objective lens side, and to adjust an interval between the separated images in an optical axis direction within the housing.
  • a phase dividing prism movably installed; And a distance display unit displaying a distance to the measurement object according to the position of the image split prism while the position of the image split prism is adjusted so that the distance between the separated images is set at the reference position. This is achieved by a golf course hole distance meter using a split prism.
  • the display means is preferably an eyepiece composed of one or more lenses arranged at the rear end of the housing to form an image on the objective lens side on the retina.
  • the objective lens or the eyepiece is preferably made of a zoom lens.
  • the display means preferably includes an image pickup device disposed at a position where an image formed by the objective lens is formed, and an image output unit disposed at a rear end of the housing to output a video image obtained from the image pickup device.
  • each of the phase dividing prisms is formed with inclined surfaces having different directions from each other on the upper and lower sides with respect to the center of the optical axis.
  • the image split prism is preferably spaced apart from the optical axis between the objective lens and the eyepiece, and a plurality of reflecting mirrors are preferably induced so that the image of the central portion passes through the image split prism.
  • the image split prism has an inclined surface formed on at least an upper surface or a lower surface of the optical axis center.
  • the image split prism is preferably formed on both sides opposite to the optical axis center where the inclined surface is not formed is a plane that does not refract the image.
  • the image split prism is preferably spaced apart from the optical axis between the objective lens and the eyepiece, and a plurality of reflecting mirrors are preferably induced so that the image of the central portion passes through the image split prism.
  • phase dividing prism is preferably formed of three or more pairs of inclined surfaces by alternately repeating two inclined surfaces having different inclinations on at least one surface.
  • the image split prism is preferably spaced apart from the optical axis between the objective lens and the eyepiece, and a plurality of reflecting mirrors are preferably induced so that the image of the central portion passes through the image split prism.
  • an adjustment ring rotatably coupled to the housing to move the phase split prism in the optical axis direction.
  • the distance scale of the distance display is preferably formed on one outer circumferential surface of the contact surface between the housing and the control ring, and the other side outer circumferential surface is preferably formed with a reference line indicating the distance scale.
  • the distance display is displayed between the micro ruler disposed in the housing so that the distance-specific scale is displayed and interlocked with the image split prism, the focal length correction lens disposed adjacent to the micro ruler, and between the focal length correction lens and the eyepiece. It is preferred to include a reflecting prism or reflector disposed thereon.
  • the apparatus may further include a reticle disposed in front of the display unit and forming two images separated by an image division prism.
  • a reference mark is formed on the reticle, and the eyepiece is preferably disposed to be movable in the optical axis direction so as to adjust the diopter according to the user's vision through the reference mark.
  • the objective lens is preferably arranged to be movable in the optical axis direction to adjust the focus of the image formed on the reticle according to the distance to the distance measuring object.
  • an upright prism is disposed in front of or behind the image split prism or behind the eyepiece or in front of the objective lens.
  • the distance scale of the said distance display part according to the distance to a measurement object calculates the distance from an imaging plane to an image division prism.
  • the image is divided into two by using an image split prism disposed between the objective lens and the eyepiece, so that even if the housing is shaken by vibration, the two images move together as if they are attached, such as hand shake.
  • a golf course hole distance meter using a phase dividing prism capable of precisely measuring the distance to the flagpole even when vibration occurs is provided.
  • 1 is a cross-sectional view showing the configuration of a conventional optical golf range finder
  • FIG. 2 is a cross-sectional view showing the configuration of a golf course hole distance measurer using an image split prism according to a first embodiment of the present invention
  • 3 to 4 is a cross-sectional view of the operation of the golf course hole distance measurer using a phase split prism according to a first embodiment of the present invention
  • FIG. 5 is a view showing an image observation state in the course of operation of the golf course hole distance meter using the phase split prism according to the first embodiment of the present invention
  • FIGS. 6 to 10 are views showing various modified embodiments of the golf course hole distance measurer using the phase split prism according to the first embodiment of the present invention.
  • FIG. 11 is a cross-sectional view showing the configuration of a golf course hole distance measurer using a phase split prism according to a second embodiment of the present invention.
  • FIG. 12 is a view showing an image viewing state of a golf course hole distance measuring device using a phase split prism according to a second embodiment of the present invention.
  • FIG. 13 is a view showing a first modified embodiment of a golf course hole distance meter using a phase split prism according to a second embodiment of the present invention.
  • FIGS. 3 and 4 are golf course holes using a phase split prism according to a first embodiment of the present invention. Sectional drawing which shows operation of the range finder.
  • the golf course hole distance measuring device using the image split prism according to the first embodiment of the present invention is largely provided with a housing 110, an objective lens 120, display means, an image split prism 140, and a distance. It is configured to include a display unit 150.
  • the housing 110 is formed of a cylindrical body with openings in the front and rear, the objective lens 120 is composed of one or more lenses disposed on the front end of the housing 110 to face the flagpole, the display
  • the eyepiece 130 constituting the means consists of one or more lenses and is disposed at the rear end of the housing 110 to form an image on the objective lens 120 side on the retina.
  • the image split prism 140 separates the paths of the light beams in two directions in the middle part of the light beams originating from the external object passing through the objective lens to the image plane of the objective lens, so that the image plane has two images in the image plane of the objective lens. It refers to an optical component made of an optical medium that provides a means for separating and forming an image.
  • biprism includes biprism, asymmetric-biprism characterized by different top and bottom vertices of the biprism, and four slopes before and after the optical axis for the shape deformation of the biprism.
  • the four inclined surfaces are divided into various inclinations, at least one of the front and rear surfaces of the prism has a modified-biprism in which inclined surfaces (including vertical surfaces) with different inclinations are formed on the upper and lower sides with respect to the optical axis. ),
  • Half-prism using only the upper or lower half of the biprism or modified-biprism, and at least one of the two inclined surfaces having different inclinations is alternately repeated.
  • It may be composed of a multilayer biprism or the like consisting of more than one inclined surface.
  • Biprism and asymmetric-biprism may be considered to be included in one form of modified-biprism, and multilayer-biprism may be referred to as multilayer biprism.
  • -biprism multilayer-asymmetric-biprism
  • multilayer-modified-biprism multilayer-modified-biprism.
  • phase-dividing prism 140 may be replaced with a Fresnel prism type in order to make the thickness of the prism thin, which can be viewed by anyone of ordinary skill in the art to the extent deformable.
  • phase dividing prism constructed by employing a Fresnel prism is also considered to be within the scope of the claims.
  • a plane is formed on the entrance face in order for the image split prism 140 to separate and form one image provided from the objective lens 120 side into two images P1 and P2.
  • an example is made of biprism in which slopes having inclined directions opposite to each other are formed on the top and bottom of the optical axis center.
  • the image split prism 140 is installed to be movable in the optical axis direction on the optical path between the objective lens 120 and the eyepiece 130.
  • the distance display unit 150 has two images P1 and P2 separated by the image split prism 140 by moving the image split prism 140 in the optical axis direction.
  • the position of the image split prism 140 and Distance-specific scale 151 that can display the distance is displayed is disposed in the optical axis direction on the outside of the housing 110.
  • a display window for observing the image segmentation prism 140 in the housing 110 to display the position of the housing 110 is disposed in parallel with the distance display part 150 or an image segmentation prism
  • the reference display line 152 connected to the 140 may pass through the housing 110 to indicate the distance scale 151 of the distance display unit 150.
  • FIG. 5A illustrates an observation state of the eyepiece according to the state of FIG. 2, wherein the lower part and the lower part of the upper image P1 of the two images P1 and P2 separated by the image split prism 140.
  • the state where the upper ends of the image P2 abut each other becomes a reference position.
  • FIG. 3 assumes that the flagpole is positioned at the same distance as that of FIG. 2, and shows the state in which the image split prism 140 is moved from the proper position toward the objective lens 120.
  • the image split prism The focus positions formed by the two images P1 and P2 separated by 140 are moved in a direction in which they are separated from each other (see FIG. 5B). That is, when two observers P1 and P2 separated by the phase dividing prism 140 are observed as shown in FIG. 5B in the state where the observer observes the flagpole through the housing 110, the image segmentation is performed.
  • the prism 140 may be moved in a direction away from the objective lens 120 as shown in FIG. 2 so that the two images P1 and P2 reach a reference position as shown in FIG.
  • FIG. 4 illustrates a state in which the image split prism 140 is moved from the proper position toward the eyepiece 130.
  • two images P1 and P2 separated by the image split prism 140 The resulting focal positions move in a direction overlapping each other (see FIG. 5C). Therefore, in this state, the image split prism 140 is moved toward the objective lens 120 so as to be moved in the direction in which the gap between the two images P1 and P2 is opened, thereby to the reference position as shown in FIG. Can be set to reach
  • the eyepiece splitting prism 140 may be connected to the eyepiece.
  • the image split prism 140 is moved to the objective lens 120 side, so that the lower part of the upper image P1 and the lower image P2 are moved.
  • the distance between the flagpole and the flagpole can be measured by reading the distance scales of the distance display part 150 corresponding to the set position of the image split prism 140.
  • the distance to the flagpole can be measured quickly, easily and precisely.
  • the formula for calculating the graduation position of the distance measurement scale plate can be derived as follows. Assuming the symbols as
  • the ⁇ sign takes a + sign when the direction in which the upper and lower vertex angles are facing up and down in the upper divisional prism and the negative sign in the same direction).
  • the proper position from the position of the image to the image split prism 140 (mm) indicates that the scale plate can be manufactured using the following Table 1.
  • the distance may be measured based on the size of the flag attached to the end of the flagpole instead of the flagpole.
  • the eyepiece is illustrated as a lens having a positive refractive power, but the same effect may be applied to an eyepiece having a negative refractive power.
  • the inclination of at least one surface is substituted for the bi-prism type phase split prism 140 used in FIG. Is different from the above-described first embodiment in that two different inclined surfaces are alternately repeated and replaced by a phase-dividing prism 140a in the form of a multilayer-biprism having three or more inclined surfaces.
  • a phase-dividing prism 140a in the form of a multilayer-biprism having three or more inclined surfaces.
  • the reticle 160 in which the image of the objective lens 120 is formed between the eyepiece 130 and the image split prism 140. ) Is arranged, and the eyepiece 130 is finely adjusted along the direction of the optical axis so that the eyepiece 130 can be controlled according to the visual acuity of the viewer through a reference mark (not shown) formed on the reticle 160, the objective lens
  • the first embodiment differs from the first embodiment in that the 120 is disposed to be finely adjusted along the optical axis direction to compensate for the focal length error according to the distance to the flagpole.
  • the eyepiece 130 is finely adjusted in the optical axis direction according to the observer's vision to set the reference mark displayed on the reticle 160 to be clearly visible, and then the focal length of the objective lens 120 according to the distance to the flagpole. Fine adjustment of the objective lens 120 in the optical axis direction in accordance with the error of to ensure that a clear image is formed on the reticle (160).
  • the two images P1 and P2 separated by the image split prism 140 can be observed in a clear state, it becomes possible to apply a high magnification telescope or a zoom lens, and the two images P1 that are clearly formed. , P2) can be adjusted to the reference position while observing, providing the advantage of precisely measuring the distance to the flagpole.
  • an adjustment ring rotatably installed in the housing 110 to move the phase split prism 140 in the optical axis direction.
  • the image split prism 140 is moved while moving the image split prism 140 disposed in the housing 110 in the optical axis direction.
  • the distance between the two phases (P1, P2) separated by is adjusted to the reference position, the distance to the flagpole through the distance-specific scale 151 indicated by the reference display line 152 in the state set as the reference position It is possible to measure.
  • an orthogonal prism such as a Schmidt-Pechen Prism at an appropriate position between the objective lens 120 and the eyepiece 130 180 may be further arranged and configured.
  • the distance display unit 150 ′′ may include a micro ruler disposed in the housing 110 so that the distance scale 151 is displayed and interlocks with the phase dividing prism 140. 153 and a reflecting prism or reflector 154 for allowing the distance scale 151 of the ruler 153 to be observed by the observer, and the image dividing prism 140 is controlled by the adjustment ring 170 in the optical axis direction.
  • the focal length correction lens 155 When moving to, the micro-ruler 153 connected to the image split prism 140 moves together, and the reflection prism or reflector 154 in which the distance-based scale 151 of the moved position is disposed above the ruler 153. ) And the focal length correction lens 155 are refracted to the observer's retina. Such that phase. In this case, the focal length correction lens 155 is disposed between the micro ruler 153 and the reflecting prism or the reflector 154 in order to enlarge the distance scale 151 of the micro ruler 153.
  • the distance scale 151 according to the position of the image segmentation prism 140 is reflected prism or reflector 154. Since it is provided to the observer through, it is possible to check the distance-specific scale 151 in the distance measurement process.
  • the distance-specific scale 151 is integrally connected to the phase division prism 140, the distance-specific scale 151 is moved together with the two images separated by the phase division prism 140. It is possible to quickly measure the distance to the flagpole.
  • the optical path on the center region corresponding to the flagpole on the optical axis of the objective lens 120 and the eyepiece 130 is shown.
  • the first to fourth reflectors 191, 192, 193, and 194 are arranged to refract the light so that an image passing through the first to fourth reflectors 191, 192, 193, and 194 is incident on the center of the eyepiece 130 through the fourth reflector 194. .
  • the focal length correction lens 195 is disposed between the first reflecting mirror 191 and the second reflecting mirror 192, and the image split prism 140 is disposed between the second reflecting mirror 192 and the third reflecting mirror 193.
  • a second stop 197 is arranged between 194 to block the central region of the image.
  • the image is divided into two by the image splitting prism 140, and the part of the user's eye through the eyepiece 130 is a single object in the telescope field as shown in FIG. Observed, since the image of the central region can be separated into two by the image segmentation prism 140, it is possible to easily grasp the environment around the hole in the process of obtaining the enlarged image using the objective lens 120. That provides the benefits.
  • the distance display unit 150 is displayed in the form of a scale, but it may be configured to be displayed in a digital manner.
  • the image pickup device is placed at a position where an image formed by an objective lens is formed instead of the eyepiece as the display means, and the image is captured on the rear surface of the housing.
  • the first embodiment differs from the above-described embodiment in that an image output unit interworking with the device can be viewed on a screen.
  • FIG. 12 is a cross-sectional view showing the configuration of a golf course hole distance measuring device using a phase split prism according to a second embodiment of the present invention
  • Figure 13 is a golf course hole using a phase split prism according to a second embodiment of the present invention It is a figure which shows the observation state of the image of a range finder.
  • the strain-by-shape prism 140 ′ is formed with a plane on the entrance face, an inclined plane on the bottom, and a plane on the top. It is different from the above-mentioned embodiment in that it consists of the prism 140 '.
  • the golf course hole distance measuring device using the image split prism 140 ' passes through the objective lens 120 and passes through the upper region of the optical axis center where the inclined surface of the image split prism 140' is not disposed.
  • the light beam passes through the plane of the image split prism 140 'and forms an image at the focal position of the objective lens 120 without being refracted, and the light beam passing through the lower region of the optical axis passes through the image split prism 140'.
  • the image is deflected while passing through the inclined surface and the image position is shifted upward.
  • the inclined surface of the phase dividing prism 140 ′ is described as being disposed on one lower surface thereof, but the present disclosure is not limited thereto, and the inclined surface may be disposed on one upper surface of the upper axis based on the optical axis. It is also possible to form an inclined surface on both sides of, or to configure the phase dividing prism 140 'in the form of inverted inverted upside down.
  • the opposite side of the optical axis center where the inclined surface of the image dividing prism 140 ' is not formed so that planes that do not refract light are formed on both sides, thereby easily positioning the image dividing prism 140' in the housing 110. Can be set.
  • the image split prism 140 ′′ disposed on the optical path between the objective lens 120 and the eyepiece 130 has an optical axis. It is possible to expect a similar effect to the second embodiment in the case where it is arranged at the upper or lower part of the center, and inclined surfaces having opposite inclinations on the front and rear of the optical axis, respectively.
  • image splitting prisms 140a, 140 ′ and 140 ′′ may be replaced with positions of the image splitting prism 140 of the optical system as illustrated in FIG. 10.
  • the image is divided into two by using an image split prism disposed between the objective lens and the eyepiece, so that even if the housing is shaken by vibration, the two images move together as if they are attached, such as hand shake.
  • a golf course hole distance meter using a phase dividing prism capable of precisely measuring the distance to the flagpole even when vibration occurs is provided.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Optical Distance (AREA)
  • Telescopes (AREA)
PCT/KR2013/000901 2012-02-07 2013-02-05 Appareil de mesure de la distance d'un trou d'un parcours de golf utilisant un prisme dédoublé Ceased WO2013119012A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201380008571.3A CN104204722B (zh) 2012-02-07 2013-02-05 利用图像分割棱镜的高尔夫场球洞测距仪
US14/377,177 US9417061B2 (en) 2012-02-07 2013-02-05 Range finder with image split prism for golf course hole
JP2014556474A JP5957542B2 (ja) 2012-02-07 2013-02-05 像分割プリズムを用いたゴルフ場のホール距離測定器

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2012-0012485 2012-02-07
KR20120012485 2012-02-07
KR1020130010765A KR101397902B1 (ko) 2012-02-07 2013-01-31 상 분할 프리즘을 이용한 골프장 홀 거리 측정기
KR10-2013-0010765 2013-01-31

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WO2013119012A1 true WO2013119012A1 (fr) 2013-08-15

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PCT/KR2013/000901 Ceased WO2013119012A1 (fr) 2012-02-07 2013-02-05 Appareil de mesure de la distance d'un trou d'un parcours de golf utilisant un prisme dédoublé

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114849186A (zh) * 2022-06-09 2022-08-05 重庆医科大学附属第二医院 呼吸内科肺活量训练设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05215987A (ja) * 1991-08-09 1993-08-27 Agfa Gevaert Ag 一体形像回転プリズムを備えた可変焦点レンズ
KR20000010420U (ko) * 1998-11-20 2000-06-15 윤태혁 조준 반사경이 부착된 골프용 퍼터
KR20010084094A (ko) * 2000-02-23 2001-09-06 유상일 골프용 광학거리측정기
KR200259778Y1 (ko) * 2001-05-08 2002-01-09 이남희 골프공과 홀의 거리 측정기
KR20090112384A (ko) * 2008-04-24 2009-10-28 이학준 퍼팅 거리 측정 장치 및 이를 구비한 퍼터
KR200457379Y1 (ko) * 2011-08-24 2011-12-16 이재관 홀 깃대 레이저 반사대

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05215987A (ja) * 1991-08-09 1993-08-27 Agfa Gevaert Ag 一体形像回転プリズムを備えた可変焦点レンズ
KR20000010420U (ko) * 1998-11-20 2000-06-15 윤태혁 조준 반사경이 부착된 골프용 퍼터
KR20010084094A (ko) * 2000-02-23 2001-09-06 유상일 골프용 광학거리측정기
KR200259778Y1 (ko) * 2001-05-08 2002-01-09 이남희 골프공과 홀의 거리 측정기
KR20090112384A (ko) * 2008-04-24 2009-10-28 이학준 퍼팅 거리 측정 장치 및 이를 구비한 퍼터
KR200457379Y1 (ko) * 2011-08-24 2011-12-16 이재관 홀 깃대 레이저 반사대

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114849186A (zh) * 2022-06-09 2022-08-05 重庆医科大学附属第二医院 呼吸内科肺活量训练设备

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