JPS5429663A - Detector of temperature, pressure, displacemet or the like - Google Patents

Detector of temperature, pressure, displacemet or the like

Info

Publication number
JPS5429663A
JPS5429663A JP9503877A JP9503877A JPS5429663A JP S5429663 A JPS5429663 A JP S5429663A JP 9503877 A JP9503877 A JP 9503877A JP 9503877 A JP9503877 A JP 9503877A JP S5429663 A JPS5429663 A JP S5429663A
Authority
JP
Japan
Prior art keywords
displacemet
detector
temperature
pressure
variables
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
JP9503877A
Other languages
Japanese (ja)
Inventor
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 JP9503877A priority Critical patent/JPS5429663A/en
Publication of JPS5429663A publication Critical patent/JPS5429663A/en
Pending legal-status Critical Current

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  • Arrangements For Transmission Of Measured Signals (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

PURPOSE:To simultaneously detect two variables out of process variables in measuring places where electricity cannot be used, by making use of optical fibers.
JP9503877A 1977-08-10 1977-08-10 Detector of temperature, pressure, displacemet or the like Pending JPS5429663A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9503877A JPS5429663A (en) 1977-08-10 1977-08-10 Detector of temperature, pressure, displacemet or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9503877A JPS5429663A (en) 1977-08-10 1977-08-10 Detector of temperature, pressure, displacemet or the like

Publications (1)

Publication Number Publication Date
JPS5429663A true JPS5429663A (en) 1979-03-05

Family

ID=14126898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9503877A Pending JPS5429663A (en) 1977-08-10 1977-08-10 Detector of temperature, pressure, displacemet or the like

Country Status (1)

Country Link
JP (1) JPS5429663A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56149698A (en) * 1980-04-23 1981-11-19 Mitsubishi Electric Corp Switch on/off detecting system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56149698A (en) * 1980-04-23 1981-11-19 Mitsubishi Electric Corp Switch on/off detecting system

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