JPS5730822A - Average photometry method at plural points of automatic exposure camera - Google Patents

Average photometry method at plural points of automatic exposure camera

Info

Publication number
JPS5730822A
JPS5730822A JP10565680A JP10565680A JPS5730822A JP S5730822 A JPS5730822 A JP S5730822A JP 10565680 A JP10565680 A JP 10565680A JP 10565680 A JP10565680 A JP 10565680A JP S5730822 A JPS5730822 A JP S5730822A
Authority
JP
Japan
Prior art keywords
information
switch
photometric
adder
divider
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.)
Pending
Application number
JP10565680A
Other languages
English (en)
Inventor
Yoshihisa Yonetani
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP10565680A priority Critical patent/JPS5730822A/ja
Priority to DE3130411A priority patent/DE3130411C2/de
Priority to DE19818122610U priority patent/DE8122610U1/de
Publication of JPS5730822A publication Critical patent/JPS5730822A/ja
Priority to US06/469,471 priority patent/US5010359A/en
Priority to US07/658,888 priority patent/US5126779A/en
Pending 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
    • G03B7/28—Circuitry to measure or to take account of the object contrast
    • 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
JP10565680A 1980-07-31 1980-07-31 Average photometry method at plural points of automatic exposure camera Pending JPS5730822A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP10565680A JPS5730822A (en) 1980-07-31 1980-07-31 Average photometry method at plural points of automatic exposure camera
DE3130411A DE3130411C2 (de) 1980-07-31 1981-07-31 Verfahren und Vorrichtung zur Photometrie von einer Vielzahl von Punkten in einer Kamera mit Belichtungsautomatik
DE19818122610U DE8122610U1 (de) 1980-07-31 1981-07-31 Vorrichtung zur photometrie in einer kamera
US06/469,471 US5010359A (en) 1980-07-31 1983-03-14 Method and apparatus for photometry from plural points of automatic exposure camera
US07/658,888 US5126779A (en) 1980-07-31 1991-02-22 Method and apparatus for successively generating photometric values

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10565680A JPS5730822A (en) 1980-07-31 1980-07-31 Average photometry method at plural points of automatic exposure camera

Publications (1)

Publication Number Publication Date
JPS5730822A true JPS5730822A (en) 1982-02-19

Family

ID=14413479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10565680A Pending JPS5730822A (en) 1980-07-31 1980-07-31 Average photometry method at plural points of automatic exposure camera

Country Status (3)

Country Link
US (2) US5010359A (ja)
JP (1) JPS5730822A (ja)
DE (2) DE3130411C2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59114975A (ja) * 1982-12-20 1984-07-03 Asahi Optical Co Ltd シヤツタ動作可能なビデオカメラ用絞装置

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS587616A (ja) * 1981-07-07 1983-01-17 Olympus Optical Co Ltd カメラの自動露出制御装置
JPS58184137A (ja) * 1982-04-21 1983-10-27 Olympus Optical Co Ltd カメラ
JPS59170822A (ja) * 1983-03-17 1984-09-27 Olympus Optical Co Ltd 多点測光式カメラ
JP2859351B2 (ja) * 1990-02-07 1999-02-17 三菱電機株式会社 半導体装置の製造方法
JPH07333059A (ja) * 1994-06-07 1995-12-22 Nikon Corp 測光装置
US5859920A (en) * 1995-11-30 1999-01-12 Eastman Kodak Company Method for embedding digital information in an image
US6288719B1 (en) 1998-10-26 2001-09-11 Eastman Kodak Company System and method of constructing a photo album
US6623528B1 (en) 1998-07-22 2003-09-23 Eastman Kodak Company System and method of constructing a photo album
US6434579B1 (en) 1998-08-19 2002-08-13 Eastman Kodak Company System and method of constructing a photo album
US6123362A (en) * 1998-10-26 2000-09-26 Eastman Kodak Company System and method of constructing a photo collage
US6389181B2 (en) 1998-11-25 2002-05-14 Eastman Kodak Company Photocollage generation and modification using image recognition
US6690843B1 (en) 1998-12-29 2004-02-10 Eastman Kodak Company System and method of constructing a photo album
US6396963B2 (en) * 1998-12-29 2002-05-28 Eastman Kodak Company Photocollage generation and modification
US6362900B1 (en) * 1998-12-30 2002-03-26 Eastman Kodak Company System and method of constructing a photo album
US20030184673A1 (en) * 2002-04-02 2003-10-02 Michael Skow Automatic exposure control for digital imaging
DE10256644A1 (de) * 2002-12-03 2004-06-17 Hella Kg Hueck & Co. Sonneneinstrahlungssensor mit Hilfe einer Kamera/Bildverarbeitung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5320323A (en) * 1976-08-10 1978-02-24 Minolta Camera Co Ltd Exposure meter

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3577140A (en) * 1967-06-27 1971-05-04 Ibm Triple integrating ramp analog-to-digital converter
US4125846A (en) * 1973-03-07 1978-11-14 Canon Kabushiki Kaisha Electronic exposure control apparatus
JPS5034534A (ja) * 1973-07-28 1975-04-02
US4106033A (en) * 1973-10-17 1978-08-08 Canon Kabushiki Kaisha System for indicating photographing conditions
US4047187A (en) * 1974-04-01 1977-09-06 Canon Kabushiki Kaisha System for exposure measurement and/or focus detection by means of image senser
JPS5145530A (ja) * 1974-10-17 1976-04-19 Canon Kk
JPS5952411B2 (ja) * 1975-08-09 1984-12-19 キヤノン株式会社 連続撮影可能なカメラ
US4174894A (en) * 1975-09-01 1979-11-20 Nippon Kogaku K.K. TTL metering device in a single lens reflex camera
JPS6020690B2 (ja) * 1975-10-02 1985-05-23 キヤノン株式会社 カメラの情報表示装置
US4176955A (en) * 1976-08-04 1979-12-04 Minolta Camera Kabushiki Kaisha Exposure meter
JPS5335531A (en) * 1976-09-13 1978-04-03 Minolta Camera Co Ltd Exposure meter
JPS53106120A (en) * 1977-02-28 1978-09-14 Canon Inc Photographic information indicator for camera
JPS54151444A (en) * 1978-05-20 1979-11-28 Nippon Chemical Ind Power supply control circuit for camera
US4309090A (en) * 1978-08-31 1982-01-05 Minolta Camera Kabushiki Kaisha Exposure indicating device
DE2840185C2 (de) * 1978-09-15 1980-10-16 Prontor-Werk Alfred Gauthier Gmbh, 7547 Wildbad Steuergerät für photographische Kameras, insbesondere Fachkameras
US4306785A (en) * 1979-02-01 1981-12-22 Asahi Kogaku Kogyo Kabushiki Kaisha Camera exposure time control circuit
DE3007575C2 (de) * 1979-02-28 1997-03-20 Nikon Corp Berechnungsvorrichtung für einen optimalen Belichtungswert
US4304473A (en) * 1979-06-26 1981-12-08 Shreve James S Automated exposure-contrast control index meter
JPS5640773A (en) * 1979-09-12 1981-04-17 Canon Inc Battery checker
JPS5781244A (en) * 1980-11-08 1982-05-21 Olympus Optical Co Ltd Photometric mode selector of automatic exposure control camera

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5320323A (en) * 1976-08-10 1978-02-24 Minolta Camera Co Ltd Exposure meter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59114975A (ja) * 1982-12-20 1984-07-03 Asahi Optical Co Ltd シヤツタ動作可能なビデオカメラ用絞装置
JPS6316724B2 (ja) * 1982-12-20 1988-04-11 Asahi Optical Co Ltd

Also Published As

Publication number Publication date
DE3130411A1 (de) 1982-04-08
DE8122610U1 (de) 1984-12-06
DE3130411C2 (de) 1983-09-22
US5126779A (en) 1992-06-30
US5010359A (en) 1991-04-23

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