JPS56122921A - Light detecting circuit - Google Patents

Light detecting circuit

Info

Publication number
JPS56122921A
JPS56122921A JP2574580A JP2574580A JPS56122921A JP S56122921 A JPS56122921 A JP S56122921A JP 2574580 A JP2574580 A JP 2574580A JP 2574580 A JP2574580 A JP 2574580A JP S56122921 A JPS56122921 A JP S56122921A
Authority
JP
Japan
Prior art keywords
variable gain
gain amplifier
detection signals
signal
photodetector
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
JP2574580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6112529B2 (enrdf_load_html_response
Inventor
Genichi Yoshimura
Kenji Kano
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.)
Brother Industries Ltd
Mitsubishi Electric Corp
Original Assignee
Brother Industries Ltd
Mitsubishi Electric 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 Brother Industries Ltd, Mitsubishi Electric Corp filed Critical Brother Industries Ltd
Priority to JP2574580A priority Critical patent/JPS56122921A/ja
Publication of JPS56122921A publication Critical patent/JPS56122921A/ja
Publication of JPS6112529B2 publication Critical patent/JPS6112529B2/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
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP2574580A 1980-02-29 1980-02-29 Light detecting circuit Granted JPS56122921A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2574580A JPS56122921A (en) 1980-02-29 1980-02-29 Light detecting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2574580A JPS56122921A (en) 1980-02-29 1980-02-29 Light detecting circuit

Publications (2)

Publication Number Publication Date
JPS56122921A true JPS56122921A (en) 1981-09-26
JPS6112529B2 JPS6112529B2 (enrdf_load_html_response) 1986-04-09

Family

ID=12174354

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2574580A Granted JPS56122921A (en) 1980-02-29 1980-02-29 Light detecting circuit

Country Status (1)

Country Link
JP (1) JPS56122921A (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS6112529B2 (enrdf_load_html_response) 1986-04-09

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