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FR2744241B1 - Mecanisme de guidage de lentilles d'un appareil photo du type a obturateur d'objectif - Google Patents

Mecanisme de guidage de lentilles d'un appareil photo du type a obturateur d'objectif

Info

Publication number
FR2744241B1
FR2744241B1 FR9700723A FR9700723A FR2744241B1 FR 2744241 B1 FR2744241 B1 FR 2744241B1 FR 9700723 A FR9700723 A FR 9700723A FR 9700723 A FR9700723 A FR 9700723A FR 2744241 B1 FR2744241 B1 FR 2744241B1
Authority
FR
France
Prior art keywords
lens
guiding mechanism
type camera
shutter type
lens shutter
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
FR9700723A
Other languages
English (en)
Other versions
FR2744241A1 (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 JP3108196A external-priority patent/JPH09222545A/ja
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2744241A1 publication Critical patent/FR2744241A1/fr
Application granted granted Critical
Publication of FR2744241B1 publication Critical patent/FR2744241B1/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
    • 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
    • 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
    • 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
    • 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
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • 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
    • 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
    • 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
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0046—Movement of one or more optical elements for zooming
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lens Barrels (AREA)
FR9700723A 1996-01-26 1997-01-24 Mecanisme de guidage de lentilles d'un appareil photo du type a obturateur d'objectif Expired - Fee Related FR2744241B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1231796 1996-01-26
JP3108196A JPH09222545A (ja) 1996-02-19 1996-02-19 ズームレンズ鏡筒

Publications (2)

Publication Number Publication Date
FR2744241A1 FR2744241A1 (fr) 1997-08-01
FR2744241B1 true FR2744241B1 (fr) 1998-10-09

Family

ID=26347908

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9700723A Expired - Fee Related FR2744241B1 (fr) 1996-01-26 1997-01-24 Mecanisme de guidage de lentilles d'un appareil photo du type a obturateur d'objectif

Country Status (4)

Country Link
US (1) US5812889A (fr)
KR (1) KR100364449B1 (fr)
DE (1) DE19702512A1 (fr)
FR (1) FR2744241B1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2742701A (en) * 1999-12-30 2001-07-16 Applied Science Fiction, Inc. Improved system and method for digital film development using visible light
JP2001215589A (ja) * 2000-01-31 2001-08-10 Asahi Optical Co Ltd 一眼レフカメラ用レンズユニット
US6909464B2 (en) * 2000-01-31 2005-06-21 Pentax Corporation Zoom lens and a movable lens hood mounting mechanism of the zoom lens
JP3569478B2 (ja) 2000-02-01 2004-09-22 ペンタックス株式会社 ズームレンズ鏡筒
JP3450780B2 (ja) 2000-02-01 2003-09-29 ペンタックス株式会社 環状部材のバヨネット固定装置及びズームレンズ鏡筒
JP2001215385A (ja) 2000-02-01 2001-08-10 Asahi Optical Co Ltd 直進レンズのカム駆動機構
JP3762602B2 (ja) 2000-02-01 2006-04-05 ペンタックス株式会社 ズームレンズ鏡筒のレンズ枠案内装置
US6570718B2 (en) 2000-02-01 2003-05-27 Pentax Corporation Zoom lens having a cam mechanism
JP2001215392A (ja) 2000-02-01 2001-08-10 Asahi Optical Co Ltd ズームレンズ鏡筒のカム環回転機構
JP3548479B2 (ja) 2000-02-03 2004-07-28 ペンタックス株式会社 ズームレンズ鏡筒の分解機構
US6795251B2 (en) 2000-09-22 2004-09-21 Pentax Corporation Lens drive mechanism
US6707620B2 (en) 2000-09-22 2004-03-16 Pentax Corporation Zoom lens mechanism
US6661586B2 (en) 2000-09-22 2003-12-09 Pentax Corporation Ring member shift mechanism and lens group shift mechanism
US6853503B2 (en) 2000-09-22 2005-02-08 Pentax Corporation Eccentricity-prevention mechanism for a pair of lens-supporting rings
US6728045B2 (en) 2000-09-22 2004-04-27 Pentax Corporation Zoom lens barrel
US6891668B2 (en) 2000-09-22 2005-05-10 Pentax Corporation Lens barrel
US6807016B2 (en) * 2000-09-22 2004-10-19 Pentax Corporation Lens barrel
US6871017B2 (en) 2000-09-22 2005-03-22 Pentax Corporation Lens drive control apparatus for zoom lens system having a switching lens group
US6680804B2 (en) 2000-09-22 2004-01-20 Pentax Corporation Zoom lens mechanism
US6798582B2 (en) 2000-09-22 2004-09-28 Pentax Corporation Reduction gear mechanism
US6657793B2 (en) 2000-09-27 2003-12-02 Pentax Corporation Lens barrel
JP2002277926A (ja) * 2001-03-21 2002-09-25 Asahi Optical Co Ltd 遮光部材開閉機構
JP2002277925A (ja) 2001-03-21 2002-09-25 Asahi Optical Co Ltd レンズシャッタ機構
JP2002277930A (ja) * 2001-03-21 2002-09-25 Asahi Optical Co Ltd レンズバリヤを備えたカメラ
JP2002277924A (ja) * 2001-03-21 2002-09-25 Asahi Optical Co Ltd レンズシャッタ機構
JP2002277712A (ja) 2001-03-21 2002-09-25 Asahi Optical Co Ltd レンズガイド機構
JP2002277923A (ja) 2001-03-22 2002-09-25 Asahi Optical Co Ltd レンズシャッタのｆｐｃ配設構造及びｆｐｃ配設構造
US6636362B2 (en) 2001-03-22 2003-10-21 Pentax Corporation Lens barrel
US6519096B2 (en) 2001-03-22 2003-02-11 Pentax Corporation Lens barrel
JP3742562B2 (ja) 2001-03-22 2006-02-08 ペンタックス株式会社 レンズ鏡筒のストッパ構造
US6788475B2 (en) * 2001-03-22 2004-09-07 Pentax Corporation Lens barrel having a lens barrier mechanism
JP2002277708A (ja) * 2001-03-22 2002-09-25 Asahi Optical Co Ltd レンズブロック
JP3679724B2 (ja) * 2001-03-22 2005-08-03 ペンタックス株式会社 ズームレンズ鏡筒
US6665129B2 (en) 2001-03-22 2003-12-16 Pentax Corporation Lens barrel and a zoom lens barrel
JP3655865B2 (ja) 2001-10-31 2005-06-02 ペンタックス株式会社 レンズ鏡筒
JP5015201B2 (ja) * 2009-06-26 2012-08-29 Ｈｏｙａ株式会社 レンズ鏡筒の直進案内機構
TW201316072A (zh) * 2011-10-03 2013-04-16 Asia Optical Co Inc 提高耐衝擊力的投影伸縮鏡頭

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1484414A (en) * 1974-05-28 1977-09-01 Schneider Co Optische Werke Adjusting device for variable-focus lenses
DE2827857C2 (de) * 1978-06-24 1983-01-20 Prontor-Werk Alfred Gauthier Gmbh, 7547 Wildbad Objektivverschluß zur Erzielung extrem kurzer Belichtungszeiten
US5237357A (en) * 1988-05-31 1993-08-17 Asahi Kogaku Kogyo Kabushiki Kaisha Aperture and focus adjusting device for a camera
US5231449A (en) * 1988-06-03 1993-07-27 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel and camera incorporating such barrel
JPH0727450Y2 (ja) * 1988-10-04 1995-06-21 旭光学工業株式会社 ズームレンズカメラの開放ｆ値検出装置
JPH04211231A (ja) * 1990-03-20 1992-08-03 Ricoh Co Ltd 可変焦点式レンズ
JP2894659B2 (ja) * 1991-11-05 1999-05-24 オリンパス光学工業株式会社 ズームエンコーダ
JP3120886B2 (ja) * 1992-01-13 2000-12-25 富士写真光機株式会社 ズームレンズ装置の組立方法
JPH05215951A (ja) * 1992-02-03 1993-08-27 Olympus Optical Co Ltd エンコーダ装置
US5339194A (en) * 1992-08-17 1994-08-16 Ram Optical Instrumentation, Inc. Power zoom optical unit with encoder
JP3034171B2 (ja) * 1994-10-20 2000-04-17 富士写真光機株式会社 カメラ用レンズ鏡胴の駆動制御装置

Also Published As

Publication number Publication date
KR100364449B1 (ko) 2003-03-15
KR970062795A (ko) 1997-09-12
FR2744241A1 (fr) 1997-08-01
US5812889A (en) 1998-09-22
DE19702512A1 (de) 1997-07-31

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060929