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JPS5369598A - Thermal type fire alarm unit - Google Patents

Thermal type fire alarm unit

Info

Publication number
JPS5369598A
JPS5369598A JP14478476A JP14478476A JPS5369598A JP S5369598 A JPS5369598 A JP S5369598A JP 14478476 A JP14478476 A JP 14478476A JP 14478476 A JP14478476 A JP 14478476A JP S5369598 A JPS5369598 A JP S5369598A
Authority
JP
Japan
Prior art keywords
alarm unit
fire alarm
type fire
thermal type
thermal
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
JP14478476A
Other languages
Japanese (ja)
Inventor
Yoshikiyo Sekiguchi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP14478476A priority Critical patent/JPS5369598A/en
Publication of JPS5369598A publication Critical patent/JPS5369598A/en
Pending legal-status Critical Current

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Landscapes

  • Fire Alarms (AREA)

Abstract

PURPOSE: To perform the inspection of a plural number of thermal sensors for the same alarm district at the receiver side, by adding the thirs wiring other than two wires for sensor wiring and by inspecting the operation of thermal sensors simultaneously with power feed to the heater for inspection in the thermal sensor.
COPYRIGHT: (C)1978,JPO&Japio
JP14478476A 1976-12-03 1976-12-03 Thermal type fire alarm unit Pending JPS5369598A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14478476A JPS5369598A (en) 1976-12-03 1976-12-03 Thermal type fire alarm unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14478476A JPS5369598A (en) 1976-12-03 1976-12-03 Thermal type fire alarm unit

Publications (1)

Publication Number Publication Date
JPS5369598A true JPS5369598A (en) 1978-06-21

Family

ID=15370353

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14478476A Pending JPS5369598A (en) 1976-12-03 1976-12-03 Thermal type fire alarm unit

Country Status (1)

Country Link
JP (1) JPS5369598A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6240686U (en) * 1985-08-28 1987-03-11

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6240686U (en) * 1985-08-28 1987-03-11
JPH0342541Y2 (en) * 1985-08-28 1991-09-05

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