FR2654223B1 - Protection d'objectif. - Google Patents

Protection d'objectif.

Info

Publication number
FR2654223B1
FR2654223B1 FR9013957A FR9013957A FR2654223B1 FR 2654223 B1 FR2654223 B1 FR 2654223B1 FR 9013957 A FR9013957 A FR 9013957A FR 9013957 A FR9013957 A FR 9013957A FR 2654223 B1 FR2654223 B1 FR 2654223B1
Authority
FR
France
Prior art keywords
objective protection
objective
protection
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.)
Expired - Fee Related
Application number
FR9013957A
Other languages
English (en)
Other versions
FR2654223A1 (fr
Inventor
Hiroshi Nomura
Tomoaki Kobayashi
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 JP13083089U external-priority patent/JP2506495Y2/ja
Priority claimed from JP1989130831U external-priority patent/JP2518485Y2/ja
Priority claimed from JP1989148265U external-priority patent/JP2544329Y2/ja
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2654223A1 publication Critical patent/FR2654223A1/fr
Application granted granted Critical
Publication of FR2654223B1 publication Critical patent/FR2654223B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
    • 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
    • G03B17/04—Bodies collapsible, foldable or extensible, e.g. book type
FR9013957A 1989-11-09 1990-11-09 Protection d'objectif. Expired - Fee Related FR2654223B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP13083089U JP2506495Y2 (ja) 1989-11-09 1989-11-09 カメラレンズのバリア装置
JP1989130831U JP2518485Y2 (ja) 1989-11-09 1989-11-09 カメラレンズのバリア装置
JP1989148265U JP2544329Y2 (ja) 1989-03-01 1989-12-22 レンズのバリア装置

Publications (2)

Publication Number Publication Date
FR2654223A1 FR2654223A1 (fr) 1991-05-10
FR2654223B1 true FR2654223B1 (fr) 1994-05-27

Family

ID=27316203

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9013957A Expired - Fee Related FR2654223B1 (fr) 1989-11-09 1990-11-09 Protection d'objectif.

Country Status (5)

Country Link
US (1) US5159372A (fr)
KR (1) KR0115826Y1 (fr)
DE (1) DE4035550A1 (fr)
FR (1) FR2654223B1 (fr)
GB (1) GB2238393B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2230354B (en) * 1989-03-31 1993-09-15 Asahi Optical Co Ltd Zoom lens assembly
FR2660081B1 (fr) * 1990-03-22 1994-09-23 Asahi Optical Co Ltd Viseur et appareil photo le comportant.
US5892998A (en) * 1992-07-08 1999-04-06 Canon Kabushiki Kaisha Camera
JP3251383B2 (ja) * 1993-06-18 2002-01-28 キヤノン株式会社 レンズバリア機構およびカメラ
US5614973A (en) * 1993-11-30 1997-03-25 Asahi Kogaku Kogyo Kabushiki Kaisha Lens barrier mechanism
JP3300512B2 (ja) * 1993-12-20 2002-07-08 旭光学工業株式会社 一眼レフカメラのファインダー
CN1074839C (zh) * 1994-12-22 2001-11-14 旭光学工业株式会社 用于照相机的遮挡装置
US5842057A (en) * 1996-01-26 1998-11-24 Asahi Kogaki Kogo Kabushiki Kaisha Camera with lens barrier apparatus
JPH1056588A (ja) * 1996-08-09 1998-02-24 Olympus Optical Co Ltd 電子式撮像装置
JP4174142B2 (ja) * 1999-09-16 2008-10-29 キヤノン株式会社 カメラのバリア装置
US6520691B2 (en) 2000-01-31 2003-02-18 Pentax Corporation Lens barrier opening/closing device of a movable lens barrel
US6665129B2 (en) 2001-03-22 2003-12-16 Pentax Corporation Lens barrel and a zoom lens barrel
US6788475B2 (en) * 2001-03-22 2004-09-07 Pentax Corporation Lens barrel having a lens barrier mechanism
US6636362B2 (en) 2001-03-22 2003-10-21 Pentax Corporation Lens barrel
US6519096B2 (en) 2001-03-22 2003-02-11 Pentax Corporation Lens barrel
JP4590163B2 (ja) * 2003-02-24 2010-12-01 キヤノン株式会社 カメラ
WO2007011106A1 (fr) * 2005-07-15 2007-01-25 M2Sys Co., Ltd Appareil d’ouverture et de fermeture pour de petits dispositifs photographiques
CN101726975B (zh) * 2008-10-20 2012-05-30 鸿富锦精密工业（深圳）有限公司 光闸以及使用该光闸的投影机
JP5645379B2 (ja) * 2009-08-17 2014-12-24 キヤノン株式会社 撮像装置
KR20110101768A (ko) * 2010-03-09 2011-09-16 삼성전자주식회사 광 개폐 조립체 및 이를 구비한 촬상 장치
CN103135315B (zh) * 2011-11-25 2015-07-08 华晶科技股份有限公司 镜头前盖模块及其摄像装置
JP5896729B2 (ja) * 2011-12-27 2016-03-30 キヤノン株式会社 レンズバリアユニット及び撮像装置
CN115145091A (zh) * 2021-03-31 2022-10-04 玉晶光电(厦门)有限公司 遮光组件及应用该遮光组件之光学成像镜头

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB222901A (en) * 1923-04-14 1924-10-14 Frederick Henry Royce Improvements in carburettors for internal combustion engines
US3918076A (en) * 1972-06-19 1975-11-04 Asahi Kogaku Kohyo Kabushiki K Light shield arrangement for an eyepiece system of a single lens reflex camera having an electronic shutter
JPS5628571Y2 (fr) * 1974-10-04 1981-07-07
US4365866A (en) * 1980-12-10 1982-12-28 Invisible Optics Inc. Light masking device
JPS57167016A (en) * 1981-04-08 1982-10-14 Nitto Kogaku Kk Camera
GB2164470B (en) * 1984-09-14 1988-10-26 Michael Rodney Browning Iris device
US4752796A (en) * 1985-09-20 1988-06-21 Nippon Kogaku K. K. Still camera
US4944030B1 (en) * 1986-05-12 1993-05-25 Asahi Optical Co Ltd Lens shutter camera including zoom lens
JPS63234231A (ja) * 1987-03-23 1988-09-29 Seikosha Co Ltd カメラ用モ−タ駆動シヤツタ
JPH0728643B2 (ja) * 1987-12-26 1995-04-05 旭電化工業株式会社 低温保存生地
US4989027A (en) * 1988-03-04 1991-01-29 Asahi Kogaku Kogyo Kabushiki Kaisha Barrier mechanism of camera
JPH0755525Y2 (ja) * 1989-02-10 1995-12-20 旭光学工業株式会社 レンズシャッタ式カメラのレンズ鏡筒の遮光装置
GB2230354B (en) * 1989-03-31 1993-09-15 Asahi Optical Co Ltd Zoom lens assembly

Also Published As

Publication number Publication date
DE4035550A1 (de) 1991-06-06
KR910009553U (ko) 1991-06-28
FR2654223A1 (fr) 1991-05-10
GB9024215D0 (en) 1990-12-19
GB2238393B (en) 1994-06-01
GB2238393A (en) 1991-05-29
US5159372A (en) 1992-10-27
DE4035550C2 (fr) 1993-09-09
KR0115826Y1 (ko) 1998-04-17

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060731