JPS6327989U - - Google Patents

Info

Publication number
JPS6327989U
JPS6327989U JP1986119115U JP11911586U JPS6327989U JP S6327989 U JPS6327989 U JP S6327989U JP 1986119115 U JP1986119115 U JP 1986119115U JP 11911586 U JP11911586 U JP 11911586U JP S6327989 U JPS6327989 U JP S6327989U
Authority
JP
Japan
Prior art keywords
optical path
light
output end
absence
detecting
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.)
Granted
Application number
JP1986119115U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0534073Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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 JP1986119115U priority Critical patent/JPH0534073Y2/ja
Publication of JPS6327989U publication Critical patent/JPS6327989U/ja
Application granted granted Critical
Publication of JPH0534073Y2 publication Critical patent/JPH0534073Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Audible And Visible Signals (AREA)
  • Burglar Alarm Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
JP1986119115U 1986-08-01 1986-08-01 Expired - Lifetime JPH0534073Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986119115U JPH0534073Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-08-01 1986-08-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986119115U JPH0534073Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-08-01 1986-08-01

Publications (2)

Publication Number Publication Date
JPS6327989U true JPS6327989U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-02-24
JPH0534073Y2 JPH0534073Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-08-30

Family

ID=31006192

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986119115U Expired - Lifetime JPH0534073Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-08-01 1986-08-01

Country Status (1)

Country Link
JP (1) JPH0534073Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57193891A (en) * 1981-05-25 1982-11-29 Kobishi Electric Co Ltd Photoelectric type alarm circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57193891A (en) * 1981-05-25 1982-11-29 Kobishi Electric Co Ltd Photoelectric type alarm circuit

Also Published As

Publication number Publication date
JPH0534073Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-08-30

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