JPH0330120B2 - - Google Patents

Info

Publication number
JPH0330120B2
JPH0330120B2 JP59057009A JP5700984A JPH0330120B2 JP H0330120 B2 JPH0330120 B2 JP H0330120B2 JP 59057009 A JP59057009 A JP 59057009A JP 5700984 A JP5700984 A JP 5700984A JP H0330120 B2 JPH0330120 B2 JP H0330120B2
Authority
JP
Japan
Prior art keywords
circuit
reference voltage
output
logarithmic
light receiving
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 - Lifetime
Application number
JP59057009A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60200107A (ja
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
Priority to JP59057009A priority Critical patent/JPS60200107A/ja
Publication of JPS60200107A publication Critical patent/JPS60200107A/ja
Publication of JPH0330120B2 publication Critical patent/JPH0330120B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
JP59057009A 1984-03-24 1984-03-24 拡散反射型光電スイツチ Granted JPS60200107A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59057009A JPS60200107A (ja) 1984-03-24 1984-03-24 拡散反射型光電スイツチ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59057009A JPS60200107A (ja) 1984-03-24 1984-03-24 拡散反射型光電スイツチ

Publications (2)

Publication Number Publication Date
JPS60200107A JPS60200107A (ja) 1985-10-09
JPH0330120B2 true JPH0330120B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-04-26

Family

ID=13043446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59057009A Granted JPS60200107A (ja) 1984-03-24 1984-03-24 拡散反射型光電スイツチ

Country Status (1)

Country Link
JP (1) JPS60200107A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS60200107A (ja) 1985-10-09

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