JPH0427530B2 - - Google Patents

Info

Publication number
JPH0427530B2
JPH0427530B2 JP60123052A JP12305285A JPH0427530B2 JP H0427530 B2 JPH0427530 B2 JP H0427530B2 JP 60123052 A JP60123052 A JP 60123052A JP 12305285 A JP12305285 A JP 12305285A JP H0427530 B2 JPH0427530 B2 JP H0427530B2
Authority
JP
Japan
Prior art keywords
evs
main subject
photometric
information
photometry
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 - Lifetime
Application number
JP60123052A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61279829A (ja
Inventor
Masaaki Ishikawa
Akira Yamada
Shuichi Kyohara
Masao Shimizu
Yoshihiko Aihara
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP60123052A priority Critical patent/JPS61279829A/ja
Publication of JPS61279829A publication Critical patent/JPS61279829A/ja
Priority to US07/198,650 priority patent/US4912495A/en
Publication of JPH0427530B2 publication Critical patent/JPH0427530B2/ja
Granted 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
    • 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
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09976—Through the lens [TTL] measuring in mirror-reflex cameras the sensor being mounted in, before, or behind the porro-prism
    • 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
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09979—Multi-zone light measuring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
JP60123052A 1985-06-06 1985-06-06 測光装置を有するカメラ Granted JPS61279829A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP60123052A JPS61279829A (ja) 1985-06-06 1985-06-06 測光装置を有するカメラ
US07/198,650 US4912495A (en) 1985-06-06 1988-05-24 Light measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60123052A JPS61279829A (ja) 1985-06-06 1985-06-06 測光装置を有するカメラ

Publications (2)

Publication Number Publication Date
JPS61279829A JPS61279829A (ja) 1986-12-10
JPH0427530B2 true JPH0427530B2 (OSRAM) 1992-05-12

Family

ID=14851009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60123052A Granted JPS61279829A (ja) 1985-06-06 1985-06-06 測光装置を有するカメラ

Country Status (2)

Country Link
US (1) US4912495A (OSRAM)
JP (1) JPS61279829A (OSRAM)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2621295B2 (ja) * 1988-02-08 1997-06-18 ミノルタ株式会社 露出制御装置
US5214465A (en) * 1988-02-08 1993-05-25 Minolta Camera Kabushiki Kaisha Exposure calculating apparatus
US5162835A (en) * 1988-02-08 1992-11-10 Minolta Camera Kabushiki Kaisha Exposure calculating apparatus
US4977423A (en) * 1988-02-08 1990-12-11 Minolta Camera Kabushiki Kaisha Exposure calculating apparatus
JP2621330B2 (ja) * 1988-04-20 1997-06-18 ミノルタ株式会社 カメラの測光装置
US5023649A (en) * 1988-04-20 1991-06-11 Minolta Camera Kabushiki Kaisha Exposure controlling apparatus of a camera having a plurality of areas for measuring brightness
US5121151A (en) * 1988-04-28 1992-06-09 Canon Kabushiki Kaisha Focus adjustment information forming device
US4963915A (en) * 1988-05-16 1990-10-16 Minolta Camera Kabushiki Kaisha Brightness measuring apparatus for providing adequate object brightness and a flashlight emission apparatus providing adequate exposure, irrespective of photographing conditions
US5128711A (en) * 1989-04-28 1992-07-07 Fuji Photo Film Co., Ltd. Apparatus for recording position information of principal image and method of detecting principal image
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
US5278602A (en) * 1989-05-09 1994-01-11 Asahi Kogaku Kogyo Kabushiki Kaisha Distance measuring device
JP2774819B2 (ja) * 1989-06-15 1998-07-09 オリンパス光学工業株式会社 カメラ
DE69029181T2 (de) * 1989-09-06 1997-05-22 Nippon Kogaku Kk Vorrichtung zur Belichtungssteuerung in einer Kamera
US5313246A (en) * 1989-09-06 1994-05-17 Nikon Corporation Exposure control device in a camera
EP0440171A1 (en) 1990-01-30 1991-08-07 Canon Kabushiki Kaisha Camera
US5258803A (en) * 1990-01-30 1993-11-02 Canon Kabushiki Kaisha Camera detecting focus to plural areas and deciding flash elimanation based on the plural areas
US5189460A (en) * 1990-01-30 1993-02-23 Canon Kabushiki Kaisha Camera detecting luminance from a plurality of areas
US5049916A (en) * 1990-08-23 1991-09-17 Eastman Kodak Company Automatic optimization of photographic exposure parameters through determination and utilization of extra system speed
JP2979081B2 (ja) * 1990-11-28 1999-11-15 日本フィリップス株式会社 自動露光制御方法及び装置
US5146258A (en) * 1990-12-24 1992-09-08 Eastman Kodak Company Multiple photodiode array for light metering
US5392091A (en) * 1991-08-27 1995-02-21 Nikon Corporation Exposure calculating apparatus
DE4340729A1 (de) * 1992-11-30 1994-06-01 Asahi Optical Co Ltd Kompaktkamera mit automatischen, brennweitenabhängigen Belichtungseinstellungen
JPH06288821A (ja) * 1993-03-30 1994-10-18 Nikon Corp カメラの測光装置
JPH06288820A (ja) * 1993-03-30 1994-10-18 Nikon Corp カメラの測光装置
DE4317221A1 (de) * 1993-05-24 1994-12-01 Brodhag Angelika Komponentenkamera für Groß- und Mittelformat
KR100388918B1 (ko) * 1995-09-29 2003-09-13 삼성테크윈 주식회사 카메라의측광영역이가변되는휘도측광장치및그제어방법
US5815743A (en) * 1995-10-04 1998-09-29 Minolta Co., Ltd. Flash-assisted photographing system and a device for use in the same
US5915133A (en) * 1996-04-11 1999-06-22 Asahi Kogaku Kogyo Kabushiki Kaisha Camera with a photographic mode automatic selecting apparatus
US6081669A (en) * 1996-11-15 2000-06-27 Asahi Kogaku Kogyo Kabushiki Kaisha Photometric operation system of camera
US6167200A (en) * 1998-08-03 2000-12-26 Minolta Co., Ltd. Exposure operation mechanism of camera
JP3573631B2 (ja) * 1998-10-30 2004-10-06 オリンパス株式会社 顕微鏡用測光装置
US20060137268A1 (en) * 2004-10-18 2006-06-29 Trageser Andrew B Continuous matting surface
US20100110226A1 (en) * 2008-11-04 2010-05-06 Texas Instruments Incorporated Method and apparatus for detecting type of back light of an image
JP5932240B2 (ja) * 2011-05-13 2016-06-08 キヤノン株式会社 撮像装置及び制御方法
US9286509B1 (en) * 2012-10-19 2016-03-15 Google Inc. Image optimization during facial recognition
US10817970B2 (en) * 2016-08-17 2020-10-27 Technologies Holdings Corp. Vision system with teat detection

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS556205B1 (OSRAM) * 1970-07-23 1980-02-14
US4306787A (en) * 1979-11-22 1981-12-22 Nippon Kogaku K.K. Exposure control apparatus for camera provided with multi metering device
US4391500A (en) * 1980-11-25 1983-07-05 Canon Kabushiki Kaisha Camera with exposure measuring system
JPS58105139A (ja) * 1981-12-17 1983-06-22 Minolta Camera Co Ltd 写真撮影システムのデ−タ取出し方式
JPH0772781B2 (ja) * 1983-08-02 1995-08-02 株式会社ニコン カメラ

Also Published As

Publication number Publication date
JPS61279829A (ja) 1986-12-10
US4912495A (en) 1990-03-27

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term