JPH0152707B2 - - Google Patents

Info

Publication number
JPH0152707B2
JPH0152707B2 JP55116696A JP11669680A JPH0152707B2 JP H0152707 B2 JPH0152707 B2 JP H0152707B2 JP 55116696 A JP55116696 A JP 55116696A JP 11669680 A JP11669680 A JP 11669680A JP H0152707 B2 JPH0152707 B2 JP H0152707B2
Authority
JP
Japan
Prior art keywords
light
receiving
fiber
receiving fiber
optical axis
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
JP55116696A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5740668A (en
Inventor
Mitsuki Sagane
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP55116696A priority Critical patent/JPS5740668A/ja
Publication of JPS5740668A publication Critical patent/JPS5740668A/ja
Publication of JPH0152707B2 publication Critical patent/JPH0152707B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP55116696A 1980-08-25 1980-08-25 Signal detector Granted JPS5740668A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55116696A JPS5740668A (en) 1980-08-25 1980-08-25 Signal detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55116696A JPS5740668A (en) 1980-08-25 1980-08-25 Signal detector

Publications (2)

Publication Number Publication Date
JPS5740668A JPS5740668A (en) 1982-03-06
JPH0152707B2 true JPH0152707B2 (en]) 1989-11-09

Family

ID=14693584

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55116696A Granted JPS5740668A (en) 1980-08-25 1980-08-25 Signal detector

Country Status (1)

Country Link
JP (1) JPS5740668A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61186804A (ja) * 1985-02-11 1986-08-20 ゼロツクス　コーポレーシヨン 光検出装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS509452A (en]) * 1973-05-22 1975-01-30
JPS51148449A (en) * 1975-06-16 1976-12-20 Hitachi Ltd Detector of materials inside conveying-cont atner

Also Published As

Publication number Publication date
JPS5740668A (en) 1982-03-06

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