JPS57132295A - Monitor/alarm circuit - Google Patents

Monitor/alarm circuit

Info

Publication number
JPS57132295A
JPS57132295A JP1873781A JP1873781A JPS57132295A JP S57132295 A JPS57132295 A JP S57132295A JP 1873781 A JP1873781 A JP 1873781A JP 1873781 A JP1873781 A JP 1873781A JP S57132295 A JPS57132295 A JP S57132295A
Authority
JP
Japan
Prior art keywords
monitor
alarm circuit
alarm
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
JP1873781A
Other languages
Japanese (ja)
Inventor
Masatomi Hiraga
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.)
NEC Corp
Original Assignee
Nippon Electric Co 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP1873781A priority Critical patent/JPS57132295A/en
Publication of JPS57132295A publication Critical patent/JPS57132295A/en
Pending legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Emergency Alarm Devices (AREA)
JP1873781A 1981-02-10 1981-02-10 Monitor/alarm circuit Pending JPS57132295A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1873781A JPS57132295A (en) 1981-02-10 1981-02-10 Monitor/alarm circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1873781A JPS57132295A (en) 1981-02-10 1981-02-10 Monitor/alarm circuit

Publications (1)

Publication Number Publication Date
JPS57132295A true JPS57132295A (en) 1982-08-16

Family

ID=11979977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1873781A Pending JPS57132295A (en) 1981-02-10 1981-02-10 Monitor/alarm circuit

Country Status (1)

Country Link
JP (1) JPS57132295A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60176198A (en) * 1984-02-23 1985-09-10 松下電工株式会社 Relay for fire alarm system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60176198A (en) * 1984-02-23 1985-09-10 松下電工株式会社 Relay for fire alarm system

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