WO2015152579A1 - Appareil pour le couplage d'un changeur de filtre optique pour caméra - Google Patents

Appareil pour le couplage d'un changeur de filtre optique pour caméra Download PDF

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Publication number
WO2015152579A1
WO2015152579A1 PCT/KR2015/003090 KR2015003090W WO2015152579A1 WO 2015152579 A1 WO2015152579 A1 WO 2015152579A1 KR 2015003090 W KR2015003090 W KR 2015003090W WO 2015152579 A1 WO2015152579 A1 WO 2015152579A1
Authority
WO
WIPO (PCT)
Prior art keywords
camera
optical filter
lens
filter changer
fastening
Prior art date
Application number
PCT/KR2015/003090
Other languages
English (en)
Korean (ko)
Inventor
윤사빈
Original Assignee
주식회사 유투에스알
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 주식회사 유투에스알 filed Critical 주식회사 유투에스알
Priority to CN201580017226.5A priority Critical patent/CN106664390A/zh
Publication of WO2015152579A1 publication Critical patent/WO2015152579A1/fr

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/56—Accessories
    • G03B17/565—Optical accessories, e.g. converters for close-up photography, tele-convertors, wide-angle convertors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof

Definitions

  • the present invention is coupled between a CCD camera lens (hereinafter referred to as a "lens”) and a variety of CCD camera body for security (hereinafter referred to as “camera”) is a multi-pass for filtering the incident light passing through the lens and focused on the image pickup device of the camera
  • the present invention relates to an optical filter changer having an optical filter (filter lens), and more particularly, an optical filter changer can be spirally coupled to a lens of a camera without being interfered with by structural constraints such as an obstacle or space appearing at a camera installation place.
  • the present invention also relates to an optical filter changer coupling device for a camera that can couple an optical filter changer such that incident light passing through the filter is focused without error on the image pickup device.
  • an optical filter changer having various types of optical filters (filter lenses) installed between the camera and the lens to filter incident light.
  • the optical filter changer according to the preceding patent application can remotely select and replace a filter lens suitable for the purpose of using a security camera and include various filter lenses to reduce the manufacturing cost by expanding the use range of the optical filter changer, and use of the camera. There is an advantage to obtain image or image information that meets the purpose.
  • the present invention relates to a patent application No. 10-2012-0147212, wherein the optical filter changer having a multi-optical filter according to the above-described prior invention is attached to the front of the CDD camera to filter the incident light focused on the image pickup device of the camera
  • the idea is to replace the optical filter remotely.
  • the above-described application of the invention is effective to replace the optical filter of the optical filter changer attached to the security cameras installed on the various poles of the pole or the road or the outer wall of the building, the camera coupled to the optical filter changer
  • the lens has a challenge to overcome the problem that the incident light is not accurately focused on the image pickup device due to the optical filter changer thickness.
  • the pitch of the spiral is precisely designed so that the incident light is accurately focused on the image pickup device of the camera while the lens is completely screwed into the camera body.
  • the conventional optical filter changer includes a filter wheel having a plurality of filter lenses disposed therein, a driving motor for driving the filter wheel, and circuit components.
  • the focus of the incident light can be accurately focused on the image pickup device only by overcoming various limitations resulting from the focusing of the incident light and the structural constraints of the camera installation place.
  • the present invention overcomes the limitation of the place where the camera should be installed in coupling the optical filter changer to the camera, and allows the optical filter changer to be completely fastened to the screw and the optical filter changer when the optical filter changer is employed.
  • An optical filter changer coupling device for a camera capable of coupling a camera and a lens to an optical filter changer without a focusing error is provided.
  • Cushion member is installed behind the fastening part so that the lens fastening part and the camera fastening part retreat in the axial direction of the hole and can be restored to its original position. It can be implemented by additionally providing a focus correction lens for correcting the incident light focusing error by the optical filter changer, the lens fastening portion or the camera fastening portion.
  • the fastening socket to which the camera lens and the camera are spirally coupled may be retracted in the axial direction by pressure, and the restoring force is removed when the pressure is removed. Since the fastening socket is fixed to the fixed plate by the screw, when the optical filter is rotated in a state where the optical filter is completely screwed to the camera, the fastening socket is inconsistent and the screwing is no longer performed.
  • the optical filter changer when the optical filter changer is mounted on the camera, the optical filter changer can be arranged in a direction so as to avoid the restriction of the camera installation location and can be screwed into the camera.
  • the present invention has a focusing correction lens that can correct the error of the incident light focusing corresponding to the thickness of the optical filter changer in the fastening socket, so that the optical filter changer can be mounted on the camera without generating an error of focusing error of the incident light.
  • FIG. 1 is a perspective view illustrating an optical filter changer according to the present invention.
  • FIG. 2 is a use state diagram illustrating an example of use of the optical filter changer according to the present invention.
  • 3A and 3B are top and right side views of the optical filter changer shown in FIG.
  • FIGS. 4A and 4B are front perspective views illustrating the internal configuration in the state in which the front housing of the optical filter changer according to the present invention is opened.
  • Fig. 5 is a sectional view of the main portion taken from the planar view of the optical filter changer according to the present invention.
  • Figure 6 is an enlarged cross-sectional view showing an extract of the fastening socket of the present invention.
  • the problem can be realized by implementing the optical filter changer in vain.
  • FIG. 1 is a perspective view illustrating an optical filter changer according to the present invention
  • FIG. 2 is a state diagram illustrating an example of use of the optical filter changer according to the present invention
  • FIGS. 3A and 3B Is a plan view and a right side view of the optical filter changer shown in FIG.
  • reference numeral 100 is an optical filter changer
  • reference numerals 110 and 120 are lens coupling units and camera coupling units.
  • the lens 200 may be coupled to and separated from the lens coupling unit 110 by helical coupling, and the camera 300 may be coupled to the camera coupling unit 120 by helical coupling. And can be separated.
  • the lens 200 is provided with a lens mount 201 having a male thread (not shown) spirally fastened to the lens coupling part 110, and a female screw screwed to the camera coupling part 120 in the camera 300.
  • the camera mount 301 provided with (not shown) is coupled.
  • the male and female threads spirally fastened to the mounts 201 and 301 and the lens and camera coupling parts 110 and 120 are in accordance with the international standard size.
  • reference numerals 100a and 100b denote front and rear housings of the optical filter changer 100, and the details of the lens coupling unit 110 and the camera coupling unit 120 in the front and rear housings 100a and 100b. Configuration and multi-optical filter are built in.
  • reference numeral C denotes a connector to which a power supply and a communication cable for remote control are connected.
  • FIGS. 4A and 4B are perspective views illustrating an open configuration of the front housing 100a of the optical filter changer 100 of the present invention and a perspective view of the internal configuration from the front thereof.
  • the filter wheel 101 coupled to divide the FT into a predetermined angle is rotatably coupled to the shaft S fixed to the rear housing 100b, and is coupled to the filter wheel 101 to transmit power. (Not shown) and a drive motor M having a drive gear 102 can be connected and rotated.
  • the optical filter FT is positioned on the axis of the lens and the camera coupling portion when the driving motor M is driven. A detailed description thereof is not only described in detail in the above-described Korean patent application, but also because the technical features of the present invention may be blurred. Detailed description thereof will be omitted.
  • FIG. 5 is a plan sectional view showing the main portion of the optical filter changer according to the present invention illustrated in a plan view
  • FIG. 6 is an enlarged view illustrating the lens and camera fastening portion of the present invention. It is a cross section.
  • the lens fastening unit 110 and the camera fastening unit 120 are disposed at both holes 101a and 101b which are symmetrical to the front and rear housings 100a and 100b and are disposed coaxially. Are combined.
  • Detailed configurations of the lens fastening unit 110 and the camera fastening unit 120 are sequentially assembled to the front and rear housings 100a and 100b through both holes 101a and 101b, respectively.
  • Camera and lens fastening portion (110, 120) is coupled to overlap on the annular cushion member 116, the annular cushion member 116 coupled to the periphery of the holes 101a, 101b, and the annular cushion member 116 and A fastening socket 113 having an annular flange 113a having grooves 113b arranged at regular intervals in the circumferential direction on the other side in contact with each other, and a protrusion 111a engaging with the grooves 113b described above; It is composed of an annular fixing plate 111 having an inner diameter for receiving the outer diameter of the fastening socket 113 while being fixed to both housings 100a and 100b by fastening the bolt (B).
  • Detailed configurations of the lens fastening unit 110 and the camera fastening unit 120 are similarly configured, and both holes 101a and 101b provided in the front and rear housings 100a and 100b based on the filter wheel 101. Since symmetrically coupled to the, the detailed description of the configuration of the lens fastening portion 110 of the two fastening portion (110, 120) will be omitted. For reference, the same configuration among the detailed configurations of both fastening parts 110 and 120 is indicated by the same reference numerals.
  • the outer diameter of the detailed configuration of the two fastening portions 110 and 120 may be changed corresponding to the diameters of the holes 101a and 101b provided in the front and rear housings 100a and 100b, and also shown in FIG. 6.
  • the female screw 115b or the male screw 115a formed in the lens and the camera fastening socket 113 may be replaced.
  • the focusing correction lens 114 may be coupled to both fastening sockets 113 so that incident light is accurately focused on the image pickup device.
  • 4b to 6 show that the focusing correction lens 114 is coupled only to the fastening socket assembled to the front housing 100a.
  • holes 101a and 101b are annular grooves that can accommodate or accommodate the annular fixing plate 11, the fastening socket 113, and the annular cushion member 116 on the edge thereof as shown in FIG. 6. (Not shown) is provided.
  • the optical filter changer 100 may be mounted to the camera 300 as shown in FIG. 2.
  • the fastening socket 113 may be rotated against the surface of the recess 113b. At this time, when the protrusion 111a rides over the groove 113b, a clicking sound is generated.
  • the protrusion 111a is divided into 90 degrees and divided into 4 or 120 degrees and configured to be three in contact with the annular flange.
  • the optical filter changer 100 when the optical filter changer 100 is fastened to the camera, when the installation angle is limited by the structure of the place where the camera 300 is installed, the optical filter changer 100 is rotated to a position that is not limited to the installation and the spiral with the camera. Can be engaged by fastening.
  • the lens 200 may be mounted on the front surface of the optical filter changer 100.
  • the annular cushion member 116 is compressed by the pressure applied in the axial direction of the fastening socket 113, and when the pressure is released, the fastening socket 113 is fixed toward the fixing plate by the restoring force of the annular cushion member 116. Since it is fixed by pressing, the camera 300 and the optical filter changer 100 which are spirally fastened to the fastening socket 113 are firmly screwed together.
  • the optical filter changer 100 when there is structural interference preventing the mounting of the optical filter changer in the place where the camera is installed, the optical filter changer 100 may be coupled to and separated from the camera 300 to avoid the interference, as well as the camera. Even when there is an irregularity or unspecified obstacle in the space of the installation place, it can be screwed firmly to the camera without interfering with the optical filter changer 100, and focusing incident light generated by the thickness of the optical filter changer when the optical filter changer is combined. The error range can be corrected with a focusing correcting lens.
  • the present invention can be applied when mounting an optical filter for a security CCD camera or a lens filter for a camera.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Blocking Light For Cameras (AREA)
  • Structure And Mechanism Of Cameras (AREA)

Abstract

L'invention concerne un appareil destiné au couplage d'un changeur de filtre optique pour une caméra, qui : permet de monter le changeur de filtre optique sans contraintes structurelles lorsqu'il est difficile de monter le changeur de filtre optique entre la caméra et une lentille en raison des contraintes structurelles à l'endroit où la caméra est installée ; et résout simultanément l'écart de mise au point dû à l'adoption du changeur de filtre optique à l'aide d'une lentille de compensation de mise au point montée dans le changeur de filtre optique, puis exécute un filtrage.
PCT/KR2015/003090 2014-03-31 2015-03-30 Appareil pour le couplage d'un changeur de filtre optique pour caméra WO2015152579A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201580017226.5A CN106664390A (zh) 2014-03-31 2015-03-30 相机用滤光器更换器结合装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0037738 2014-03-31
KR1020140037738A KR101422627B1 (ko) 2014-03-31 2014-03-31 카메라와 광필터 체인저 결합장치

Publications (1)

Publication Number Publication Date
WO2015152579A1 true WO2015152579A1 (fr) 2015-10-08

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PCT/KR2015/003090 WO2015152579A1 (fr) 2014-03-31 2015-03-30 Appareil pour le couplage d'un changeur de filtre optique pour caméra

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KR (1) KR101422627B1 (fr)
CN (1) CN106664390A (fr)
WO (1) WO2015152579A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111596504A (zh) * 2020-05-22 2020-08-28 季华实验室 一种多光谱led光源成像用折射光采集装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7051467B2 (ja) * 2018-01-30 2022-04-11 キヤノン株式会社 交換レンズの組立方法

Citations (4)

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KR19990046517A (ko) * 1999-03-24 1999-07-05 조성환 카메라용링라이트가이드장치
KR20080056619A (ko) * 2006-12-18 2008-06-23 에스에무케이 가부시키가이샤 카메라 모듈
KR20080085444A (ko) * 2007-03-20 2008-09-24 엘지이노텍 주식회사 카메라모듈
KR20130028601A (ko) * 2011-09-09 2013-03-19 주식회사 유투에스알 카메라용 멀티형 광필터 체인저

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KR101022476B1 (ko) * 2004-08-06 2011-03-15 삼성전자주식회사 디지털 촬영 장치에서의 자동 포커싱 방법, 및 이 방법을채용한 디지털 촬영 장치
KR100616616B1 (ko) * 2004-09-01 2006-08-28 삼성전기주식회사 카메라 모듈의 자동 초점조절 광학계
JP2006154675A (ja) * 2004-12-01 2006-06-15 Pentax Corp 撮像装置
KR200386314Y1 (ko) * 2005-03-18 2005-06-10 윤사빈 고배율 주야간 무인 감시장치의 비디오 카메라 교환장치
US9091903B2 (en) * 2010-07-29 2015-07-28 Logitech Europe S.A. Optimized movable IR filter in cameras
KR200462084Y1 (ko) * 2010-08-06 2012-08-27 김인균 Ｃｃｔｖ 카메라의 필터전환 조립체

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Publication number Priority date Publication date Assignee Title
KR19990046517A (ko) * 1999-03-24 1999-07-05 조성환 카메라용링라이트가이드장치
KR20080056619A (ko) * 2006-12-18 2008-06-23 에스에무케이 가부시키가이샤 카메라 모듈
KR20080085444A (ko) * 2007-03-20 2008-09-24 엘지이노텍 주식회사 카메라모듈
KR20130028601A (ko) * 2011-09-09 2013-03-19 주식회사 유투에스알 카메라용 멀티형 광필터 체인저

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111596504A (zh) * 2020-05-22 2020-08-28 季华实验室 一种多光谱led光源成像用折射光采集装置
CN111596504B (zh) * 2020-05-22 2021-11-16 季华实验室 一种多光谱led光源成像用折射光采集装置

Also Published As

Publication number Publication date
CN106664390A (zh) 2017-05-10
KR101422627B1 (ko) 2014-07-23

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