JPS5432343A - Light reflecting object detector - Google Patents

Light reflecting object detector

Info

Publication number
JPS5432343A
JPS5432343A JP9789277A JP9789277A JPS5432343A JP S5432343 A JPS5432343 A JP S5432343A JP 9789277 A JP9789277 A JP 9789277A JP 9789277 A JP9789277 A JP 9789277A JP S5432343 A JPS5432343 A JP S5432343A
Authority
JP
Japan
Prior art keywords
light reflecting
object detector
reflecting object
measurement
thermometers
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
JP9789277A
Other languages
Japanese (ja)
Inventor
Ichiro Ikushima
Kiichi Yamashita
Yasuo Minae
Arata Kida
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9789277A priority Critical patent/JPS5432343A/en
Publication of JPS5432343A publication Critical patent/JPS5432343A/en
Pending legal-status Critical Current

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  • Arrangements For Transmission Of Measured Signals (AREA)
  • Optical Transform (AREA)

Abstract

PURPOSE:To make possible the detection of light reflecting objects, the measurement of the number of revolutions, or the measurement of industrial quantities such as of pressure gauges, thermometers, etc. particularly even at high temperatures and under high pressures.
JP9789277A 1977-08-17 1977-08-17 Light reflecting object detector Pending JPS5432343A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9789277A JPS5432343A (en) 1977-08-17 1977-08-17 Light reflecting object detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9789277A JPS5432343A (en) 1977-08-17 1977-08-17 Light reflecting object detector

Publications (1)

Publication Number Publication Date
JPS5432343A true JPS5432343A (en) 1979-03-09

Family

ID=14204395

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9789277A Pending JPS5432343A (en) 1977-08-17 1977-08-17 Light reflecting object detector

Country Status (1)

Country Link
JP (1) JPS5432343A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55140641U (en) * 1979-03-27 1980-10-07
JPS55132921A (en) * 1979-04-05 1980-10-16 Fujitsu Ltd Sensor using optical fiber
JPS5687818A (en) * 1979-12-19 1981-07-16 Ishikawajima Harima Heavy Ind Co Ltd Reflex type position detector
JPS56111996A (en) * 1980-02-08 1981-09-04 Mitsubishi Electric Corp Internal state measuring apparatus
JPS56152399U (en) * 1980-03-10 1981-11-14
JPS5719900A (en) * 1980-07-07 1982-02-02 Furukawa Electric Co Ltd Measured amount detecting method
JPS59124317U (en) * 1983-02-10 1984-08-21 アルプス電気株式会社 light sensor
JPS60122316A (en) * 1983-12-05 1985-06-29 Du Pont Japan Ltd Reflection type position detector
JPS63101814U (en) * 1986-12-22 1988-07-02
JPH01307621A (en) * 1988-06-07 1989-12-12 Tokyo Sokuhan Co Ltd Optical fiber sensor for detecting displacement quantity

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55140641U (en) * 1979-03-27 1980-10-07
JPS55132921A (en) * 1979-04-05 1980-10-16 Fujitsu Ltd Sensor using optical fiber
JPS5687818A (en) * 1979-12-19 1981-07-16 Ishikawajima Harima Heavy Ind Co Ltd Reflex type position detector
JPS56111996A (en) * 1980-02-08 1981-09-04 Mitsubishi Electric Corp Internal state measuring apparatus
JPS56152399U (en) * 1980-03-10 1981-11-14
JPS5719900A (en) * 1980-07-07 1982-02-02 Furukawa Electric Co Ltd Measured amount detecting method
JPS59124317U (en) * 1983-02-10 1984-08-21 アルプス電気株式会社 light sensor
JPS60122316A (en) * 1983-12-05 1985-06-29 Du Pont Japan Ltd Reflection type position detector
JPS63101814U (en) * 1986-12-22 1988-07-02
JPH01307621A (en) * 1988-06-07 1989-12-12 Tokyo Sokuhan Co Ltd Optical fiber sensor for detecting displacement quantity

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