JPS5425780A - Photometric amplifier circuit - Google Patents

Photometric amplifier circuit

Info

Publication number
JPS5425780A
JPS5425780A JP9032777A JP9032777A JPS5425780A JP S5425780 A JPS5425780 A JP S5425780A JP 9032777 A JP9032777 A JP 9032777A JP 9032777 A JP9032777 A JP 9032777A JP S5425780 A JPS5425780 A JP S5425780A
Authority
JP
Japan
Prior art keywords
amplifier circuit
photometric amplifier
turning
power source
photometric
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.)
Granted
Application number
JP9032777A
Other languages
English (en)
Other versions
JPS6031249B2 (ja
Inventor
Koshiro Iwasaki
Junichi Mameta
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP52090327A priority Critical patent/JPS6031249B2/ja
Priority to US05/920,248 priority patent/US4188551A/en
Priority to DE19782833217 priority patent/DE2833217A1/de
Publication of JPS5425780A publication Critical patent/JPS5425780A/ja
Publication of JPS6031249B2 publication Critical patent/JPS6031249B2/ja
Expired 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
    • G01J1/44—Electric circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/305—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in case of switching on or off of a power supply

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP52090327A 1977-07-29 1977-07-29 測光増幅回路 Expired JPS6031249B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP52090327A JPS6031249B2 (ja) 1977-07-29 1977-07-29 測光増幅回路
US05/920,248 US4188551A (en) 1977-07-29 1978-06-29 Amplifier circuit having photoelectric converter
DE19782833217 DE2833217A1 (de) 1977-07-29 1978-07-28 Verstaerkerschaltung mit photoelektrischem wandler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52090327A JPS6031249B2 (ja) 1977-07-29 1977-07-29 測光増幅回路

Publications (2)

Publication Number Publication Date
JPS5425780A true JPS5425780A (en) 1979-02-26
JPS6031249B2 JPS6031249B2 (ja) 1985-07-20

Family

ID=13995420

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52090327A Expired JPS6031249B2 (ja) 1977-07-29 1977-07-29 測光増幅回路

Country Status (3)

Country Link
US (1) US4188551A (ja)
JP (1) JPS6031249B2 (ja)
DE (1) DE2833217A1 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55124121A (en) * 1979-03-02 1980-09-25 Olympus Optical Co Ltd Analog switch circuit for triggering exposure control circuit
DD151357A1 (de) * 1980-06-06 1981-10-14 Hans Jehmlich Schaltungsanordnung zur verringerung der einschwingzeit
DE3427055A1 (de) * 1984-07-23 1986-01-30 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Schaltungsanordnung fuer einen elektronischen belichtungsmesser
JPS59108230U (ja) * 1983-01-12 1984-07-21 オリンパス光学工業株式会社 カメラの測光回路
US4628273A (en) * 1983-12-12 1986-12-09 International Telephone And Telegraph Corporation Optical amplifier
JPH0732261B2 (ja) * 1985-04-11 1995-04-10 キヤノン株式会社 半導体受光装置
DE3534808A1 (de) * 1985-09-30 1987-04-02 Leitz Ernst Gmbh Schaltungsanordnung zur verringerung der einschwingzeit
US4913150A (en) * 1986-08-18 1990-04-03 Physio-Control Corporation Method and apparatus for the automatic calibration of signals employed in oximetry
US4892101A (en) * 1986-08-18 1990-01-09 Physio-Control Corporation Method and apparatus for offsetting baseline portion of oximeter signal
US4819646A (en) * 1986-08-18 1989-04-11 Physio-Control Corporation Feedback-controlled method and apparatus for processing signals used in oximetry
JPH03128509A (ja) * 1989-10-13 1991-05-31 Sumitomo Electric Ind Ltd 光受信回路
JP2970844B2 (ja) * 1997-06-04 1999-11-02 日本電気株式会社 光受信器及びそれを用いた光ネットワークシステム
JP4116052B2 (ja) * 2006-09-14 2008-07-09 北陽電機株式会社 測距装置
WO2010016449A1 (en) * 2008-08-08 2010-02-11 Semiconductor Energy Laboratory Co., Ltd. Photoelectric conversion device and electronic device having the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814944A (en) * 1973-05-24 1974-06-04 Computer Design Corp Mark sense card reader
DE2558155C3 (de) * 1974-12-28 1978-10-19 Canon K.K., Tokio Lkhtmeßschaltung

Also Published As

Publication number Publication date
US4188551A (en) 1980-02-12
DE2833217A1 (de) 1979-02-01
JPS6031249B2 (ja) 1985-07-20

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