JPS6233539B2 - - Google Patents

Info

Publication number
JPS6233539B2
JPS6233539B2 JP53089101A JP8910178A JPS6233539B2 JP S6233539 B2 JPS6233539 B2 JP S6233539B2 JP 53089101 A JP53089101 A JP 53089101A JP 8910178 A JP8910178 A JP 8910178A JP S6233539 B2 JPS6233539 B2 JP S6233539B2
Authority
JP
Japan
Prior art keywords
detection
information
light
optical transmission
optical
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
JP53089101A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5516549A (en
Inventor
Masamitsu Tokuda
Mikio Kokayu
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.)
Furukawa Electric Co Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Furukawa Electric Co Ltd
Nippon Telegraph and Telephone Corp
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 Furukawa Electric Co Ltd, Nippon Telegraph and Telephone Corp filed Critical Furukawa Electric Co Ltd
Priority to JP8910178A priority Critical patent/JPS5516549A/ja
Publication of JPS5516549A publication Critical patent/JPS5516549A/ja
Publication of JPS6233539B2 publication Critical patent/JPS6233539B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measuring Volume Flow (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Optical Communication System (AREA)
JP8910178A 1978-07-21 1978-07-21 Information detection system by photo transmitter Granted JPS5516549A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8910178A JPS5516549A (en) 1978-07-21 1978-07-21 Information detection system by photo transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8910178A JPS5516549A (en) 1978-07-21 1978-07-21 Information detection system by photo transmitter

Publications (2)

Publication Number Publication Date
JPS5516549A JPS5516549A (en) 1980-02-05
JPS6233539B2 true JPS6233539B2 (enrdf_load_stackoverflow) 1987-07-21

Family

ID=13961489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8910178A Granted JPS5516549A (en) 1978-07-21 1978-07-21 Information detection system by photo transmitter

Country Status (1)

Country Link
JP (1) JPS5516549A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402903A (en) * 1981-09-04 1983-09-06 Westinghouse Electric Corp. Control system for coupling redundant logic channels

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337494A (en) * 1976-09-18 1978-04-06 Denki Kagaku Keiki Kk Apparatus for detecting oil and so on
JPS5376889A (en) * 1976-12-18 1978-07-07 Denki Kagaku Keiki Kk Sensor for oils* etc*

Also Published As

Publication number Publication date
JPS5516549A (en) 1980-02-05

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