JPS5434857A - Photoelectric detector circuit - Google Patents

Photoelectric detector circuit

Info

Publication number
JPS5434857A
JPS5434857A JP10146777A JP10146777A JPS5434857A JP S5434857 A JPS5434857 A JP S5434857A JP 10146777 A JP10146777 A JP 10146777A JP 10146777 A JP10146777 A JP 10146777A JP S5434857 A JPS5434857 A JP S5434857A
Authority
JP
Japan
Prior art keywords
detector circuit
photoelectric detector
light source
logarithmic circuit
compensating
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
JP10146777A
Other languages
Japanese (ja)
Inventor
Hiroshi Otsuka
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP10146777A priority Critical patent/JPS5434857A/en
Publication of JPS5434857A publication Critical patent/JPS5434857A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

PURPOSE: To detect stably without being affected by the intensity of illumination of the light source by compensating the output signal in response to the voltage applied to the light source by using a logarithmic circuit and a reverse logarithmic circuit.
COPYRIGHT: (C)1979,JPO&Japio
JP10146777A 1977-08-23 1977-08-23 Photoelectric detector circuit Pending JPS5434857A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10146777A JPS5434857A (en) 1977-08-23 1977-08-23 Photoelectric detector circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10146777A JPS5434857A (en) 1977-08-23 1977-08-23 Photoelectric detector circuit

Publications (1)

Publication Number Publication Date
JPS5434857A true JPS5434857A (en) 1979-03-14

Family

ID=14301511

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10146777A Pending JPS5434857A (en) 1977-08-23 1977-08-23 Photoelectric detector circuit

Country Status (1)

Country Link
JP (1) JPS5434857A (en)

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