JPS636820B2 - - Google Patents

Info

Publication number
JPS636820B2
JPS636820B2 JP14352380A JP14352380A JPS636820B2 JP S636820 B2 JPS636820 B2 JP S636820B2 JP 14352380 A JP14352380 A JP 14352380A JP 14352380 A JP14352380 A JP 14352380A JP S636820 B2 JPS636820 B2 JP S636820B2
Authority
JP
Japan
Prior art keywords
light
circuit
current
dark current
transistor
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
Application number
JP14352380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5766324A (en
Inventor
Hiroaki Fukuda
Yukihisa Oda
Shigeharu Kita
Takeo Hara
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP14352380A priority Critical patent/JPS5766324A/ja
Publication of JPS5766324A publication Critical patent/JPS5766324A/ja
Publication of JPS636820B2 publication Critical patent/JPS636820B2/ja
Granted 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
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP14352380A 1980-10-13 1980-10-13 Light receiving circuit Granted JPS5766324A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14352380A JPS5766324A (en) 1980-10-13 1980-10-13 Light receiving circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14352380A JPS5766324A (en) 1980-10-13 1980-10-13 Light receiving circuit

Publications (2)

Publication Number Publication Date
JPS5766324A JPS5766324A (en) 1982-04-22
JPS636820B2 true JPS636820B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-02-12

Family

ID=15340713

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14352380A Granted JPS5766324A (en) 1980-10-13 1980-10-13 Light receiving circuit

Country Status (1)

Country Link
JP (1) JPS5766324A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60117663A (ja) * 1983-11-29 1985-06-25 Mitsubishi Electric Corp 機能トリミング方法
JPH06196746A (ja) * 1992-12-25 1994-07-15 Canon Inc 光電変換装置、駆動回路、半導体発光素子駆動回路、記憶装置、及びシーケンシャルアクセスメモリー
FR2713037B1 (fr) * 1993-11-23 1995-12-29 Thomson Csf Circuit d'injection, en imagerie thermique.

Also Published As

Publication number Publication date
JPS5766324A (en) 1982-04-22

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