FR2675278B1 - Systeme de mesure de distance d'objet dans un appareil photo. - Google Patents

Systeme de mesure de distance d'objet dans un appareil photo.

Info

Publication number
FR2675278B1
FR2675278B1 FR9204345A FR9204345A FR2675278B1 FR 2675278 B1 FR2675278 B1 FR 2675278B1 FR 9204345 A FR9204345 A FR 9204345A FR 9204345 A FR9204345 A FR 9204345A FR 2675278 B1 FR2675278 B1 FR 2675278B1
Authority
FR
France
Prior art keywords
camera
object distance
measuring object
measuring
distance
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
FR9204345A
Other languages
English (en)
Other versions
FR2675278A1 (fr
Inventor
Hiroshi Kurei
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
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2675278A1 publication Critical patent/FR2675278A1/fr
Application granted granted Critical
Publication of FR2675278B1 publication Critical patent/FR2675278B1/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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Measurement Of Optical Distance (AREA)
FR9204345A 1991-04-09 1992-04-09 Systeme de mesure de distance d'objet dans un appareil photo. Expired - Fee Related FR2675278B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03161972A JP3076625B2 (ja) 1991-04-09 1991-04-09 カメラの測距装置

Publications (2)

Publication Number Publication Date
FR2675278A1 FR2675278A1 (fr) 1992-10-16
FR2675278B1 true FR2675278B1 (fr) 1994-02-04

Family

ID=15745585

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9204345A Expired - Fee Related FR2675278B1 (fr) 1991-04-09 1992-04-09 Systeme de mesure de distance d'objet dans un appareil photo.

Country Status (6)

Country Link
US (1) US5307111A (fr)
JP (1) JP3076625B2 (fr)
KR (1) KR100213641B1 (fr)
DE (1) DE4211832C2 (fr)
FR (1) FR2675278B1 (fr)
GB (1) GB2254704B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5321460A (en) * 1991-10-04 1994-06-14 Fuji Photo Optical Co., Ltd. Autofocusing controlling apparatus for camera
US5493356A (en) * 1991-11-26 1996-02-20 Olympus Optical Co., Ltd. Camera capable of selecting a picture size
GB2264179B (en) * 1992-02-12 1996-01-17 Asahi Optical Co Ltd Apparatus for changing the size of the photographing aperture in a camera
JPH05341376A (ja) * 1992-04-06 1993-12-24 Olympus Optical Co Ltd 撮影画面サイズ切換えカメラ
US6192198B1 (en) * 1992-12-25 2001-02-20 Canon Kabushiki Kaisha Camera capable of print format selection
US5331363A (en) * 1993-03-01 1994-07-19 Concord Camera Corp. Photographic camera with switchable film masking mechanism
US5751400A (en) * 1993-04-16 1998-05-12 Samsung Aerospace Industries, Ltd. Conversion system for a camera
US5671458A (en) * 1993-05-31 1997-09-23 Fuji Photo Film Co., Ltd. Photographic camera with exposure size corrected for position of exit pupil of taking lens
JP3300512B2 (ja) * 1993-12-20 2002-07-08 旭光学工業株式会社 一眼レフカメラのファインダー
JPH07287161A (ja) * 1994-04-15 1995-10-31 Asahi Optical Co Ltd 多点測距装置
US5678084A (en) * 1994-04-20 1997-10-14 Asahi Kogaku Kogyo Kabushiki Kaisha Data recording apparatus for camera
JPH07301742A (ja) * 1994-05-06 1995-11-14 Nikon Corp カメラ
US5550606A (en) * 1994-08-23 1996-08-27 Eastman Kodak Company Camera with magnetically movable light blocking shield
DE19614235C2 (de) * 1995-04-10 2001-06-28 Asahi Optical Co Ltd Vermessungsinstrument mit Autofokussystem
KR100261603B1 (ko) * 1996-12-06 2000-07-15 이중구 포트레이트 촬영 장치 및 그 방법
US7046290B2 (en) * 2000-01-26 2006-05-16 Nikon Corporation Multi-point auto-focus digital camera including electronic zoom
KR102393878B1 (ko) * 2021-10-18 2022-05-09 대한항업(주) 정밀도를 향상시킨 측지측량 안정장치

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6031026A (ja) * 1983-07-29 1985-02-16 Asahi Optical Co Ltd マルチ測光装置
US4611895A (en) * 1985-03-04 1986-09-16 Eastman Kodak Company Metering roll film holders and multi-format camera
US4800409A (en) * 1986-04-28 1989-01-24 Minolta Camera Kabushiki Kaisha Control device for use in a camera having an objective lens
JPS62261932A (ja) * 1986-05-08 1987-11-14 Canon Inc 測光装置
AU602722B2 (en) * 1986-09-02 1990-10-25 Asahi Kogaku Kogyo Kabushiki Kaisha Camera image plane size control device
US5066971A (en) * 1986-10-09 1991-11-19 Canon Kabushiki Kaisha Camera
US4855780A (en) * 1987-05-22 1989-08-08 Canon Kabushiki Kaisha Photometric device for pseudo format camera
JP2704960B2 (ja) * 1988-05-20 1998-01-26 キヤノン株式会社 カメラ
JPH06105334B2 (ja) * 1988-07-08 1994-12-21 旭光学工業株式会社 分割測光装置
GB2222337B (en) * 1988-08-25 1992-12-16 Asahi Optical Co Ltd Automatic focusing camera
DE8815583U1 (de) * 1988-12-15 1989-05-11 Gilde, Kurt, Dr.med., 31737 Rinteln Panorama-Kamera mit frei wählbaren Formaten von 4,5 x 6 bis 9 x 18
JP2881790B2 (ja) * 1988-12-29 1999-04-12 株式会社ニコン 焦点検出装置
JP3012248B2 (ja) * 1989-05-09 2000-02-21 旭光学工業株式会社 自動焦点検出装置および自動焦点検出装置を備えたカメラ
FR2660081B1 (fr) * 1990-03-22 1994-09-23 Asahi Optical Co Ltd Viseur et appareil photo le comportant.

Also Published As

Publication number Publication date
US5307111A (en) 1994-04-26
GB9207536D0 (en) 1992-05-20
FR2675278A1 (fr) 1992-10-16
GB2254704B (en) 1994-10-19
GB2254704A (en) 1992-10-14
KR100213641B1 (ko) 1999-08-02
JP3076625B2 (ja) 2000-08-14
DE4211832A1 (de) 1992-10-15
JPH04310908A (ja) 1992-11-02
KR920020251A (ko) 1992-11-20
DE4211832C2 (de) 1995-07-13

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Legal Events

Date Code Title Description
ST Notification of lapse