JPS5518767A - Fire alarm unit continuity testing circuit - Google Patents

Fire alarm unit continuity testing circuit

Info

Publication number
JPS5518767A
JPS5518767A JP9171778A JP9171778A JPS5518767A JP S5518767 A JPS5518767 A JP S5518767A JP 9171778 A JP9171778 A JP 9171778A JP 9171778 A JP9171778 A JP 9171778A JP S5518767 A JPS5518767 A JP S5518767A
Authority
JP
Japan
Prior art keywords
alarm unit
testing circuit
fire alarm
continuity testing
unit continuity
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
JP9171778A
Other languages
Japanese (ja)
Other versions
JPS619676B2 (en
Inventor
Masatoshi Maeda
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP9171778A priority Critical patent/JPS5518767A/en
Publication of JPS5518767A publication Critical patent/JPS5518767A/en
Publication of JPS619676B2 publication Critical patent/JPS619676B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fire Alarms (AREA)
JP9171778A 1978-07-26 1978-07-26 Fire alarm unit continuity testing circuit Granted JPS5518767A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9171778A JPS5518767A (en) 1978-07-26 1978-07-26 Fire alarm unit continuity testing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9171778A JPS5518767A (en) 1978-07-26 1978-07-26 Fire alarm unit continuity testing circuit

Publications (2)

Publication Number Publication Date
JPS5518767A true JPS5518767A (en) 1980-02-09
JPS619676B2 JPS619676B2 (en) 1986-03-25

Family

ID=14034253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9171778A Granted JPS5518767A (en) 1978-07-26 1978-07-26 Fire alarm unit continuity testing circuit

Country Status (1)

Country Link
JP (1) JPS5518767A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60117398A (en) * 1983-11-29 1985-06-24 松下電工株式会社 Disconnection detecting circuit for fire alarm receiver
JPH0440752U (en) * 1990-08-06 1992-04-07

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60117398A (en) * 1983-11-29 1985-06-24 松下電工株式会社 Disconnection detecting circuit for fire alarm receiver
JPH0440752U (en) * 1990-08-06 1992-04-07

Also Published As

Publication number Publication date
JPS619676B2 (en) 1986-03-25

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