FR2744236B1 - Objectif zoom du type telescopique et mecanisme a came pour celui-ci - Google Patents

Objectif zoom du type telescopique et mecanisme a came pour celui-ci

Info

Publication number
FR2744236B1
FR2744236B1 FR9700730A FR9700730A FR2744236B1 FR 2744236 B1 FR2744236 B1 FR 2744236B1 FR 9700730 A FR9700730 A FR 9700730A FR 9700730 A FR9700730 A FR 9700730A FR 2744236 B1 FR2744236 B1 FR 2744236B1
Authority
FR
France
Prior art keywords
cam mechanism
mechanism therefor
telescopic type
zoom objective
zoom
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
FR9700730A
Other languages
English (en)
Other versions
FR2744236A1 (fr
Inventor
Hiroshi Nomura
Kazuyoshi Azegami
Takamitsu Sasaki
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 JP03413296A external-priority patent/JP3215793B2/ja
Priority claimed from JP03412296A external-priority patent/JP3288918B2/ja
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2744236A1 publication Critical patent/FR2744236A1/fr
Application granted granted Critical
Publication of FR2744236B1 publication Critical patent/FR2744236B1/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
    • 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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
    • 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
    • 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
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/091—Digital circuits
    • G03B7/097—Digital circuits for control of both exposure time and aperture
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/10—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device a servo-motor providing energy to move the setting member
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
    • G03B9/24—Adjusting size of aperture formed by members when fully open so as to constitute a virtual diaphragm that is adjustable
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/22—Secondary treatment of printed circuits
    • H05K3/28—Applying non-metallic protective coatings
    • H05K3/281—Applying non-metallic protective coatings by means of a preformed insulating foil
FR9700730A 1996-01-26 1997-01-24 Objectif zoom du type telescopique et mecanisme a came pour celui-ci Expired - Fee Related FR2744236B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1231796 1996-01-26
JP03413296A JP3215793B2 (ja) 1996-02-21 1996-02-21 レンズ鏡筒のカム構造
JP03412296A JP3288918B2 (ja) 1996-02-21 1996-02-21 レンズ鏡筒

Publications (2)

Publication Number Publication Date
FR2744236A1 FR2744236A1 (fr) 1997-08-01
FR2744236B1 true FR2744236B1 (fr) 2005-04-15

Family

ID=27279793

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9700730A Expired - Fee Related FR2744236B1 (fr) 1996-01-26 1997-01-24 Objectif zoom du type telescopique et mecanisme a came pour celui-ci

Country Status (4)

Country Link
US (1) US5765048A (fr)
KR (1) KR100322207B1 (fr)
DE (1) DE19702515B4 (fr)
FR (1) FR2744236B1 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10133089A (ja) * 1996-10-31 1998-05-22 Asahi Optical Co Ltd レンズ鏡筒
JP3231680B2 (ja) * 1997-10-24 2001-11-26 旭光学工業株式会社 多段繰出ズームレンズ鏡筒
JP3736085B2 (ja) * 1997-11-26 2006-01-18 コニカミノルタフォトイメージング株式会社 ズーム鏡胴
JP3495664B2 (ja) * 1999-10-27 2004-02-09 ペンタックス株式会社 ズームレンズ鏡筒
JP3679683B2 (ja) * 2000-05-16 2005-08-03 キヤノン株式会社 撮像装置
US6934096B1 (en) * 2000-05-16 2005-08-23 Canon Kabushiki Kaisha Optical device
JP2002062464A (ja) 2000-08-17 2002-02-28 Asahi Precision Co Ltd Ｃｃｔｖ用カメラの直進ヘリコイド機構
US6529338B2 (en) * 2001-01-31 2003-03-04 Ping-Yim Cheung Zoom lens assembly with focus adjustment mechanism
US6965733B1 (en) * 2002-08-27 2005-11-15 Pentax Corporation Lens barrel incorporating the cam mechanism
US7085486B2 (en) * 2002-08-27 2006-08-01 Pentax Corporation Lens barrel incorporating a rotatable ring
US7031603B2 (en) 2002-08-27 2006-04-18 Pentax Corporation Lens barrel
DE10309195A1 (de) * 2003-02-26 2004-09-09 Carl Zeiss Jena Gmbh Objektivfassung
JP4359115B2 (ja) * 2003-10-22 2009-11-04 パナソニック株式会社 沈胴式レンズ鏡筒
CN101334510A (zh) * 2007-06-27 2008-12-31 鸿富锦精密工业（深圳）有限公司 镜头模组及其组装方法
JP4974833B2 (ja) * 2007-10-04 2012-07-11 キヤノン株式会社 レンズ装置及び撮像装置
TWI354182B (en) * 2008-04-14 2011-12-11 Av Tech Corp Lens structure
CN101576645B (zh) * 2008-05-07 2011-07-27 陞泰科技股份有限公司 镜头结构
DE102012018594A1 (de) * 2012-09-20 2014-03-20 Jan Leonhard Zwangsgeführter mechanischer Teleskopauszug zum Verlängern oder Kürzen von zwei oder mehreren Formrohren (rund und oder eckig)
JP7446886B2 (ja) * 2020-03-30 2024-03-11 キヤノン株式会社 レンズ装置
CN112689075B (zh) * 2020-12-28 2023-06-23 维沃移动通信有限公司 摄像模组及电子设备

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0646255B2 (ja) * 1985-01-11 1994-06-15 キヤノン株式会社 副絞りを有したレンズ鏡筒
US4944030B1 (en) * 1986-05-12 1993-05-25 Asahi Optical Co Ltd Lens shutter camera including zoom lens
US5262898A (en) * 1988-06-03 1993-11-16 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel and camera incorporating such barrel
US5231449A (en) * 1988-06-03 1993-07-27 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel and camera incorporating such barrel
CA1331429C (fr) * 1988-06-03 1994-08-16 Hiroshi Nomura Barillet de tele-objectif et appareil photo utilisant ce barillet
JP2757417B2 (ja) * 1989-01-30 1998-05-25 ミノルタ株式会社 レンズ鏡胴
US5255124A (en) * 1989-03-09 1993-10-19 Asahi Kogaku Kogyo Kabushiki Kaisha Cam ring of lens barrel and method for manufacturing same
US5245476A (en) * 1989-03-14 1993-09-14 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel
GB2237406B (en) * 1989-10-27 1993-11-03 Asahi Optical Co Ltd Zoom lens barrel
US5153626A (en) * 1989-12-08 1992-10-06 Canon Kabushiki Kaisha Lens barrel retracting device for camera
JP2816735B2 (ja) * 1990-02-15 1998-10-27 旭光学工業株式会社 ズームレンズの絞り機構
EP0522681B1 (fr) * 1991-07-08 1996-10-30 Chinon Kabushiki Kaisha Unité d'un tube d'objectif à focale variable d'une caméra à objectifs zoom
US5386740A (en) * 1991-09-30 1995-02-07 Asahi Kogaku Kogyo Kabushiki Kaisha Rotary feed mechanism
US5373397A (en) * 1992-01-08 1994-12-13 Olympus Optical Co. Ltd. Lens barrel of short length having the capability of a large zooming magnification and a zoom lens capable of a large forward movement
US5661609A (en) * 1993-07-06 1997-08-26 Olympus Optical Co., Ltd. Lens mount
JP3240758B2 (ja) * 1993-07-15 2001-12-25 ミノルタ株式会社 ズームレンズ装置及びカメラ
SG47529A1 (en) * 1993-08-27 1998-04-17 Asahi Optical Co Ltd Zoom lens barrel
US5604638A (en) * 1993-12-01 1997-02-18 Asahi Kogaku Kogyo Kabushiki Kaisha Anti-reflection structure for zoom lens barrel
JP3249002B2 (ja) * 1993-12-03 2002-01-21 旭光学工業株式会社 ズームレンズ鏡筒の駆動装置
JP2597356Y2 (ja) * 1993-12-06 1999-07-05 旭光学工業株式会社 ズームレンズ鏡筒の直進案内装置
US5543971A (en) * 1993-12-06 1996-08-06 Asahi Kogaku Kogyo Kabushiki Kaisha Backlash removing device for stowed lens barrel
US5636064A (en) * 1994-07-05 1997-06-03 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel with flat faced helicoid threading

Also Published As

Publication number Publication date
KR100322207B1 (ko) 2002-06-26
DE19702515B4 (de) 2008-10-16
FR2744236A1 (fr) 1997-08-01
KR970059823A (ko) 1997-08-12
US5765048A (en) 1998-06-09
DE19702515A1 (de) 1997-07-31

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20091030