FR2744234B1 - Dispositif de detection de position de lentilles mobiles - Google Patents

Dispositif de detection de position de lentilles mobiles

Info

Publication number
FR2744234B1
FR2744234B1 FR9700728A FR9700728A FR2744234B1 FR 2744234 B1 FR2744234 B1 FR 2744234B1 FR 9700728 A FR9700728 A FR 9700728A FR 9700728 A FR9700728 A FR 9700728A FR 2744234 B1 FR2744234 B1 FR 2744234B1
Authority
FR
France
Prior art keywords
detecting
mobile lenses
lenses
mobile
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
FR9700728A
Other languages
English (en)
Other versions
FR2744234A1 (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 JP03252196A external-priority patent/JP3335274B2/ja
Priority claimed from JP3413396A external-priority patent/JPH09230194A/ja
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2744234A1 publication Critical patent/FR2744234A1/fr
Application granted granted Critical
Publication of FR2744234B1 publication Critical patent/FR2744234B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • G03B11/043—Protective lens closures or lens caps built into cameras
    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Lens Barrels (AREA)
FR9700728A 1996-01-26 1997-01-24 Dispositif de detection de position de lentilles mobiles Expired - Fee Related FR2744234B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1231796 1996-01-26
JP03252196A JP3335274B2 (ja) 1996-02-20 1996-02-20 シャッタユニット
JP3413396A JPH09230194A (ja) 1996-02-21 1996-02-21 レンズの移動範囲制限装置

Publications (2)

Publication Number Publication Date
FR2744234A1 FR2744234A1 (fr) 1997-08-01
FR2744234B1 true FR2744234B1 (fr) 2005-04-15

Family

ID=27279792

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9700728A Expired - Fee Related FR2744234B1 (fr) 1996-01-26 1997-01-24 Dispositif de detection de position de lentilles mobiles

Country Status (4)

Country Link
US (1) US5784206A (fr)
KR (1) KR100322206B1 (fr)
DE (1) DE19702514A1 (fr)
FR (1) FR2744234B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3728311B2 (ja) * 2003-10-14 2005-12-21 キヤノン株式会社 光学機器
US7277237B2 (en) * 2004-05-12 2007-10-02 Pentax Corporation AF control apparatus for zoom lens system
JP2005326515A (ja) * 2004-05-12 2005-11-24 Pentax Corp カメラのグリップ回動進退軸構造及び回動進退軸構造
JP4855001B2 (ja) * 2005-07-25 2012-01-18 Ｈｏｙａ株式会社 撮像モジュール
WO2008018454A1 (fr) * 2006-08-07 2008-02-14 Sharp Kabushiki Kaisha Dispositif imageur
JP2010156955A (ja) * 2008-12-02 2010-07-15 Minebea Co Ltd レンズ駆動装置用アクチュエータ
JP6816057B2 (ja) * 2018-04-17 2021-01-20 キヤノン株式会社 レンズ鏡筒

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5475456A (en) * 1986-05-12 1995-12-12 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens drive system for lens shutter type of camera
US5231449A (en) * 1988-06-03 1993-07-27 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel and camera incorporating such barrel
JPH0750565B2 (ja) * 1988-07-26 1995-05-31 株式会社テック ディスク用スタンド形照明器具
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
US5404191A (en) * 1989-05-10 1995-04-04 Canon Kabushiki Kaisha Camera with power zoom function and interchangeable lens with power zoom function with a time-controlled lens positioning feature
JPH04211231A (ja) * 1990-03-20 1992-08-03 Ricoh Co Ltd 可変焦点式レンズ
JPH05210147A (ja) * 1992-01-30 1993-08-20 Olympus Optical Co Ltd レンズの繰り出し制御装置
JPH0584908U (ja) * 1992-04-17 1993-11-16 旭光学工業株式会社 ズームレンズ鏡筒の遊び除去装置
US5689746A (en) * 1993-08-13 1997-11-18 Canon Kabushiki Kaisha Amount-of-light adjusting device

Also Published As

Publication number Publication date
US5784206A (en) 1998-07-21
FR2744234A1 (fr) 1997-08-01
KR100322206B1 (ko) 2002-07-06
DE19702514A1 (de) 1997-07-31
KR970059805A (ko) 1997-08-12

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070930