DE68928475T2 - Autofokussystem für eine Kamera - Google Patents

Autofokussystem für eine Kamera

Info

Publication number
DE68928475T2
DE68928475T2 DE68928475T DE68928475T DE68928475T2 DE 68928475 T2 DE68928475 T2 DE 68928475T2 DE 68928475 T DE68928475 T DE 68928475T DE 68928475 T DE68928475 T DE 68928475T DE 68928475 T2 DE68928475 T2 DE 68928475T2
Authority
DE
Germany
Prior art keywords
camera
auto focus
focus system
auto
focus
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
DE68928475T
Other languages
English (en)
Other versions
DE68928475D1 (de
Inventor
Noboru Suzuki
Shigeo Toji
Masahiro Kawasaki
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 JP23092688A external-priority patent/JPH0279012A/ja
Priority claimed from JP23092588A external-priority patent/JPH0279011A/ja
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Application granted granted Critical
Publication of DE68928475D1 publication Critical patent/DE68928475D1/de
Publication of DE68928475T2 publication Critical patent/DE68928475T2/de
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
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
DE68928475T 1988-09-14 1989-09-14 Autofokussystem für eine Kamera Expired - Fee Related DE68928475T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23092688A JPH0279012A (ja) 1988-09-14 1988-09-14 カメラの自動合焦装置
JP23092588A JPH0279011A (ja) 1988-09-14 1988-09-14 カメラの自動合焦装置

Publications (2)

Publication Number Publication Date
DE68928475D1 DE68928475D1 (de) 1998-01-15
DE68928475T2 true DE68928475T2 (de) 1998-07-02

Family

ID=26529615

Family Applications (2)

Application Number Title Priority Date Filing Date
DE68920810T Expired - Fee Related DE68920810T2 (de) 1988-09-14 1989-09-14 Automatisches Fokussiersystem für eine Kamera.
DE68928475T Expired - Fee Related DE68928475T2 (de) 1988-09-14 1989-09-14 Autofokussystem für eine Kamera

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE68920810T Expired - Fee Related DE68920810T2 (de) 1988-09-14 1989-09-14 Automatisches Fokussiersystem für eine Kamera.

Country Status (3)

Country Link
US (1) US5036349A (de)
EP (2) EP0631173B1 (de)
DE (2) DE68920810T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5157434A (en) * 1988-09-14 1992-10-20 Asahi Kogaku Kogyo Kabushiki Kaisha Autofocusing system for camera
US5258802A (en) * 1989-04-30 1993-11-02 Minolta Camera Kabushiki Kaisha Camera system which compensates for defocusing during operation
JPH049910A (ja) * 1990-04-27 1992-01-14 Asahi Optical Co Ltd カメラシステム
JP2971913B2 (ja) * 1990-05-17 1999-11-08 旭光学工業株式会社 カメラシステム
JP2859388B2 (ja) * 1990-07-06 1999-02-17 旭光学工業株式会社 撮影レンズ
JP2915989B2 (ja) * 1990-11-09 1999-07-05 旭光学工業株式会社 カメラシステム
FR2670031A1 (fr) * 1990-11-29 1992-06-05 Asahi Optical Co Ltd Dispositif de mise au point automatique.
US5291235A (en) * 1990-11-29 1994-03-01 Asahi Kogaku Kogyo Kabushiki Kaisha Automatic focusing device
USRE36546E (en) * 1990-11-29 2000-02-01 Asahi Kogaku Kogyo Kabushiki Kaisha Automatic focusing device
DE4216073C2 (de) * 1991-05-15 1995-01-26 Asahi Optical Co Ltd Vorrichtung zum automatischen Scharfeinstellen eines optischen Systems
FR2676832B1 (fr) * 1991-05-21 1997-05-23 Asahi Optical Co Ltd Objectif zoom motorise interchangeable et systeme d'appareil photo.
US5396306A (en) * 1991-05-21 1995-03-07 Asahi Kogaku Kogyo Kabushiki Kaisha Power lens and camera system
US5450156A (en) * 1991-05-21 1995-09-12 Asahi Kogaku Kogyo Kabushiki Kaisha Power zoom lens and camera having same

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31219E (en) * 1976-10-04 1983-04-26 Polaroid Corporation Automatic focusing camera
JPS53113527A (en) * 1977-03-15 1978-10-04 Minolta Camera Co Ltd Camera for definite multiplication image in the variable multiplicaton lens system
JPS55115023A (en) * 1979-02-28 1980-09-04 Canon Inc Distance detector and focus control system utilizing this
US4387975A (en) * 1979-10-31 1983-06-14 Ricoh Company, Ltd. Automatic focusing position detection apparatus
US4435058A (en) * 1981-02-27 1984-03-06 Minolta Camera Kabushiki Kaisha Auto-focus control camera
JPS58103273A (ja) * 1981-12-15 1983-06-20 Olympus Optical Co Ltd ズ−ム比率自動可変録画装置
US4560267A (en) * 1982-03-26 1985-12-24 Minolta Camera Kabushiki Kaisha Camera system operable by carrying data from a camera accessory to a camera body
JPS593406A (ja) * 1982-06-29 1984-01-10 Olympus Optical Co Ltd 焦点状態検出装置
US4623238A (en) * 1983-02-01 1986-11-18 Minolta Camera Kabushiki Kaisha Camera system capable of automatic focus control
US4509842A (en) * 1983-02-01 1985-04-09 Minolta Camera Kabushiki Kaisha Camera system capable of focus detection through an interchangeable objective lens
JPS62133430A (ja) * 1985-12-05 1987-06-16 Canon Inc 電動ズ−ム駆動装置
JPS62133431A (ja) * 1985-12-05 1987-06-16 Canon Inc 電動ズ−ム駆動装置
JPS62200340A (ja) * 1986-02-28 1987-09-04 Canon Inc ズ−ムレンズ付スチルカメラ
US4920370A (en) * 1986-03-25 1990-04-24 Minolta Camera Kabushiki Kaisha Photo signal processing apparatus
JPS635331A (ja) * 1986-06-25 1988-01-11 Minolta Camera Co Ltd 撮影レンズの繰込み装置
JPS63189817A (ja) * 1987-02-02 1988-08-05 Minolta Camera Co Ltd 自動焦点調節装置
JP2541965B2 (ja) * 1987-03-09 1996-10-09 オリンパス光学工業株式会社 オ−トズ−ム付カメラ
JP2653058B2 (ja) * 1987-08-12 1997-09-10 ミノルタ株式会社 ズームカメラ
JP2605293B2 (ja) * 1987-08-12 1997-04-30 ミノルタ株式会社 ズームカメラ
JPS6456406A (en) * 1987-08-27 1989-03-03 Canon Kk Camera with zoom function
JP2827206B2 (ja) * 1987-09-02 1998-11-25 ミノルタ株式会社 撮影距離または倍率検出装置に取付けられる撮影レンズ
JP2601839B2 (ja) * 1987-09-21 1997-04-16 富士写真フイルム 株式会社 ズームレンズの自動焦点調節装置
JPH0199011A (ja) * 1987-10-12 1989-04-17 Canon Inc カメラ等のズーム装置
JPH0199012A (ja) * 1987-10-12 1989-04-17 Canon Inc カメラ等のズーム装置
JPH01123206A (ja) * 1987-11-07 1989-05-16 Ricoh Co Ltd マクロ機構を備えたズームレンズ機構
JPH01131509A (ja) * 1988-06-07 1989-05-24 Canon Inc 変倍光学系

Also Published As

Publication number Publication date
EP0360158B1 (de) 1995-01-25
DE68920810D1 (de) 1995-03-09
US5036349A (en) 1991-07-30
DE68920810T2 (de) 1995-09-28
EP0360158A1 (de) 1990-03-28
EP0631173B1 (de) 1997-12-03
DE68928475D1 (de) 1998-01-15
EP0631173A1 (de) 1994-12-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PENTAX CORP., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee