JPS6214594U - - Google Patents

Info

Publication number
JPS6214594U
JPS6214594U JP10477785U JP10477785U JPS6214594U JP S6214594 U JPS6214594 U JP S6214594U JP 10477785 U JP10477785 U JP 10477785U JP 10477785 U JP10477785 U JP 10477785U JP S6214594 U JPS6214594 U JP S6214594U
Authority
JP
Japan
Prior art keywords
fire
lines
pair
receiver
parallel circuit
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
JP10477785U
Other languages
English (en)
Japanese (ja)
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 JP10477785U priority Critical patent/JPS6214594U/ja
Publication of JPS6214594U publication Critical patent/JPS6214594U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fire Alarms (AREA)
JP10477785U 1985-07-11 1985-07-11 Pending JPS6214594U (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10477785U JPS6214594U (cs) 1985-07-11 1985-07-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10477785U JPS6214594U (cs) 1985-07-11 1985-07-11

Publications (1)

Publication Number Publication Date
JPS6214594U true JPS6214594U (cs) 1987-01-28

Family

ID=30978587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10477785U Pending JPS6214594U (cs) 1985-07-11 1985-07-11

Country Status (1)

Country Link
JP (1) JPS6214594U (cs)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS531000A (en) * 1976-06-25 1978-01-07 Hitachi Ltd Automatic fire alarm
JPS5334500A (en) * 1976-09-10 1978-03-31 Matsushita Electric Works Ltd Sensor operation test circuit for fire alarm
JPS542699A (en) * 1977-06-08 1979-01-10 Hitachi Ltd Automatic individual fire alarm

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS531000A (en) * 1976-06-25 1978-01-07 Hitachi Ltd Automatic fire alarm
JPS5334500A (en) * 1976-09-10 1978-03-31 Matsushita Electric Works Ltd Sensor operation test circuit for fire alarm
JPS542699A (en) * 1977-06-08 1979-01-10 Hitachi Ltd Automatic individual fire alarm

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