FR2658622B1 - Dispositif de pilotage d'objectif a mise au point automatique. - Google Patents

Dispositif de pilotage d'objectif a mise au point automatique.

Info

Publication number: FR2658622B1
Authority: FR; France
Prior art keywords: driving device; automatic focus; objective driving; objective; focus
Prior art date: 1990-02-17
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

FR9101896A

Other languages

English (en)

Other versions

FR2658622A1 (fr

Inventor

Hitoshi Tanaka

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.)

1990-02-17

Filing date

1991-02-18

Publication date

1994-10-28

1990-02-17 Priority claimed from JP3700290A external-priority patent/JPH03240031A/ja

1990-02-17 Priority claimed from JP3700390A external-priority patent/JP3026577B2/ja

1991-02-18 Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd

1991-08-23 Publication of FR2658622A1 publication Critical patent/FR2658622A1/fr

1994-10-28 Application granted granted Critical

1994-10-28 Publication of FR2658622B1 publication Critical patent/FR2658622B1/fr

2011-02-18 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Lens Barrels (AREA)
Automatic Focus Adjustment (AREA)

FR9101896A 1990-02-17 1991-02-18 Dispositif de pilotage d'objectif a mise au point automatique. Expired - Fee Related FR2658622B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP3700290A JPH03240031A (ja)	1990-02-17	1990-02-17	自動焦点調節レンズ
JP3700390A JP3026577B2 (ja)	1990-02-17	1990-02-17	自動焦点調節レンズ

Publications (2)

Publication Number	Publication Date
FR2658622A1 FR2658622A1 (fr)	1991-08-23
FR2658622B1 true FR2658622B1 (fr)	1994-10-28

Family

ID=26376104

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR9101896A Expired - Fee Related FR2658622B1 (fr)	1990-02-17	1991-02-18	Dispositif de pilotage d'objectif a mise au point automatique.

Country Status (4)

Country	Link
US (1)	US5177524A (fr)
DE (1)	DE4104772C2 (fr)
FR (1)	FR2658622B1 (fr)
GB (1)	GB2242034B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5239417A (en) *	1991-05-21	1993-08-24	Asahi Kogaku Kogyo Kabushiki Kaisha	Lens barrel for automatic focusing camera
JP3187114B2 (ja) *	1992-01-30	2001-07-11	旭光学工業株式会社	パワーフォーカスリミッター
US6002886A (en) *	1992-10-01	1999-12-14	Canon Kabushiki Kaisha	Lens barrel
JP3124899B2 (ja) *	1994-02-18	2001-01-15	キヤノン株式会社	撮影装置
EP0684496B1 (fr) *	1994-05-16	2002-03-27	Canon Kabushiki Kaisha	Dispositif pour faire varier une force de freinage
JPH09138335A (ja) *	1995-11-13	1997-05-27	Canon Inc	光学装置
US5872661A (en) *	1996-02-28	1999-02-16	Asahi Kogaku Kogyo Kabushiki Kaisha	Automatic focusing apparatus for a telephotographic system
US5918078A (en) *	1996-09-06	1999-06-29	Nikon Corporation	Lens driving device
JP4566298B2 (ja)	1998-03-31	2010-10-20	キヤノン株式会社	光学装置
US6574057B2 (en)	2000-04-07	2003-06-03	Canon Kabushiki Kaisha	Optical apparatus, optical apparatus driving unit and camera system
JP4529094B2 (ja) *	2007-12-28	2010-08-25	ソニー株式会社	撮像装置、機能制御方法および機能制御プログラム

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2010505B (en) *	1977-11-18	1982-06-16	Seiko Koki Kk	Mechanism for adjusting the focal point of a camera
JPS54103025A (en) *	1978-01-31	1979-08-14	Nippon Chemical Ind	Device for focusing lens barrel
JPS619379Y2 (fr) *	1978-08-17	1986-03-25
JPS6336328Y2 (fr) *	1979-01-18	1988-09-27
JPS6230004Y2 (fr) *	1980-09-10	1987-08-01
JPS644084Y2 (fr) *	1980-09-11	1989-02-02
US4553817A (en) *	1982-04-08	1985-11-19	Makoto Ando	Automatic and manual focusing exchangeable lens assembly
JPS59216111A (ja) *	1983-05-24	1984-12-06	Asahi Optical Co Ltd	カメラの焦点調節装置
JPS60158414A (ja) *	1984-01-27	1985-08-19	Konishiroku Photo Ind Co Ltd	オ−トフオ−カス装置
JPH0722646Y2 (ja) *	1986-10-27	1995-05-24	旭光学工業株式会社	レンズの撮影距離範囲制限装置
JPH0769507B2 (ja) *	1987-02-05	1995-07-31	旭光学工業株式会社	カメラの焦点調節操作切換機構
US4890132A (en) *	1987-03-26	1989-12-26	Asahi Kogaku Kogyo Kabushiki Kaisha	Manual control apparatus of zoom lens barrel for an auto focus camera
JP2709932B2 (ja) *	1988-02-03	1998-02-04	旭光学工業株式会社	ズームレンズ駆動装置
JPH01205112A (ja) *	1988-02-10	1989-08-17	Canon Inc	自動手動合焦切換え可能なレンズ鏡筒

1991
- 1991-02-15 US US07/655,832 patent/US5177524A/en not_active Expired - Lifetime
- 1991-02-15 DE DE4104772A patent/DE4104772C2/de not_active Expired - Fee Related
- 1991-02-18 FR FR9101896A patent/FR2658622B1/fr not_active Expired - Fee Related
- 1991-02-18 GB GB9103337A patent/GB2242034B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
FR2658622A1 (fr)	1991-08-23
GB2242034B (en)	1994-08-24
GB9103337D0 (en)	1991-04-03
GB2242034A (en)	1991-09-18
DE4104772A1 (de)	1991-08-22
US5177524A (en)	1993-01-05
DE4104772C2 (de)	1994-12-22

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Legal Events

Date	Code	Title	Description
2007-01-05	ST	Notification of lapse	Effective date: 20061031