JPS5320853B1 - - Google Patents

Info

Publication number
JPS5320853B1
JPS5320853B1 JP3522871A JP3522871A JPS5320853B1 JP S5320853 B1 JPS5320853 B1 JP S5320853B1 JP 3522871 A JP3522871 A JP 3522871A JP 3522871 A JP3522871 A JP 3522871A JP S5320853 B1 JPS5320853 B1 JP S5320853B1
Authority
JP
Japan
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
JP3522871A
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 filed Critical
Publication of JPS5320853B1 publication Critical patent/JPS5320853B1/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
    • G01J1/4214—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for view-taking apparatus
    • 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
    • G03B7/081—Analogue circuits
    • G03B7/087—Analogue circuits for control of both exposure time and aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Amplifiers (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP3522871A 1970-05-28 1971-05-25 Pending JPS5320853B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4140270A 1970-05-28 1970-05-28

Publications (1)

Publication Number Publication Date
JPS5320853B1 true JPS5320853B1 (ja) 1978-06-29

Family

ID=21916335

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3522871A Pending JPS5320853B1 (ja) 1970-05-28 1971-05-25

Country Status (5)

Country Link
US (1) US3626825A (ja)
JP (1) JPS5320853B1 (ja)
DE (1) DE2125916A1 (ja)
FR (1) FR2090358B1 (ja)
GB (1) GB1351301A (ja)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790897A (en) * 1971-04-05 1974-02-05 Rca Corp Differential amplifier and bias circuit
JPS5838965B2 (ja) * 1974-10-31 1983-08-26 ソニー株式会社 ゾウフクカイロ
US3849786A (en) * 1971-12-10 1974-11-19 Minolta Camera Kk Light integrating type light detector circuit with photovoltaic cell
US3743837A (en) * 1972-01-20 1973-07-03 Data Source Corp Phototransistor automatic gain control
US3809992A (en) * 1972-11-13 1974-05-07 Mamiya Camera Circuit for storing a representation of an incident light quantity in a camera
JPS5618929B2 (ja) * 1973-04-13 1981-05-02
USRE29927E (en) * 1972-11-16 1979-03-06 Yashica Co., Ltd. Shutter operating circuits for photographic cameras
DE2359055C3 (de) * 1972-12-25 1984-07-12 Kabushiki Kaisha Yashica, Okaya, Nagano Verschlußvorrichtung für eine Laufbildkamera, insbesondere eine Schmalfilmkamera
US3786264A (en) * 1973-01-02 1974-01-15 Gen Electric High speed light detector amplifier
US3953865A (en) * 1973-11-15 1976-04-27 Copal Company Limited Electric shutter
DE2405567C3 (de) * 1974-02-06 1978-03-30 Original Hanau Quarzlampen Gmbh, 6450 Hanau AjwkcUwuj.% tue Messung der ia einem, bestimmten Zeitraum an einer Stelle auftretenden Bestrahlungsenergie
US3958264A (en) * 1974-06-24 1976-05-18 International Business Machines Corporation Space-charge-limited phototransistor
JPS519822A (en) * 1974-06-26 1976-01-26 Minolta Camera Kk Kamerano roshutsuhyojisochi
US4085411A (en) * 1976-04-16 1978-04-18 Sprague Electric Company Light detector system with photo diode and current-mirror amplifier
JPS5383737A (en) * 1976-12-29 1978-07-24 Olympus Optical Co Ltd Single lens reflex camera
JPS5590110A (en) * 1978-12-27 1980-07-08 Pioneer Electronic Corp Amplifier
JPH07120767B2 (ja) * 1986-09-19 1995-12-20 キヤノン株式会社 光電変換装置
US5287340A (en) * 1992-02-13 1994-02-15 International Business Machines Corporation Differential amplifier for optical detectors in an optical data storage system
US7002131B1 (en) 2003-01-24 2006-02-21 Jds Uniphase Corporation Methods, systems and apparatus for measuring average received optical power
US7215883B1 (en) 2003-01-24 2007-05-08 Jds Uniphase Corporation Methods for determining the performance, status, and advanced failure of optical communication channels
US7484885B1 (en) * 2004-06-30 2009-02-03 Raytek Corporation Thermal imager having sunlight exposure protection mechanism
EP1958433B1 (en) * 2005-06-03 2018-06-27 Universität Zürich Photoarray for detecting time-dependent image data
US7638749B2 (en) * 2006-06-05 2009-12-29 Fairchild Imaging Capacitive transimpedance amplifier for CCD arrays
EP3047647B1 (en) 2013-09-16 2020-05-27 Prophesee Dynamic, single photodiode pixel circuit and operating method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3053985A (en) * 1959-08-03 1962-09-11 Eastman Kodak Co Photocell circuits
JPS4923781A (ja) * 1972-06-28 1974-03-02

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3349678A (en) * 1963-11-28 1967-10-31 Asahi Optical Co Ltd Automatic light responsive shutter timing mechanism
US3299789A (en) * 1964-06-05 1967-01-24 Eastman Kodak Co Automatic exposure control system
DE1472663A1 (de) * 1964-10-27 1969-04-24 Yashica Co Ltd Automatischer Belichtungszeitregler mit Anzeige von Aufnahmehelligkeitsgrenzen
US3430106A (en) * 1965-06-16 1969-02-25 Gen Electric Differential light responsive circuits with a solar cell connected between the inputs of the amplifiers
US3450015A (en) * 1966-03-04 1969-06-17 Pentacon Dresden Veb Apparatus for electronic exposure control
US3464332A (en) * 1966-05-12 1969-09-02 Polaroid Corp Automatic exposure control system
DE1622208C3 (de) * 1967-01-26 1974-12-12 Konishiroku Photo Industry Co. Ltd., Tokio Zeitsteuerstromkreis für elektronisch gesteuerte Kameraverschlüsse
NL6708603A (ja) * 1967-06-21 1968-12-23
US3620143A (en) * 1968-12-16 1971-11-16 Polaroid Corp Automatic exposure control system with fast linear response
US3641891A (en) * 1969-06-30 1972-02-15 Polaroid Corp Exposure control system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3053985A (en) * 1959-08-03 1962-09-11 Eastman Kodak Co Photocell circuits
JPS4923781A (ja) * 1972-06-28 1974-03-02

Also Published As

Publication number Publication date
FR2090358B1 (ja) 1974-09-06
DE2125916A1 (de) 1971-12-09
GB1351301A (en) 1974-04-24
FR2090358A1 (ja) 1972-01-14
US3626825A (en) 1971-12-14

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