JPS5317093A - Fire sensor - Google Patents

Fire sensor

Info

Publication number
JPS5317093A
JPS5317093A JP9182876A JP9182876A JPS5317093A JP S5317093 A JPS5317093 A JP S5317093A JP 9182876 A JP9182876 A JP 9182876A JP 9182876 A JP9182876 A JP 9182876A JP S5317093 A JPS5317093 A JP S5317093A
Authority
JP
Japan
Prior art keywords
fire sensor
fire
hermetic chambers
outbreak
sensed
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
JP9182876A
Other languages
Japanese (ja)
Other versions
JPS5834878B2 (en
Inventor
Satoru Susaki
Yasuyoshi Kameyama
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 JP9182876A priority Critical patent/JPS5834878B2/en
Publication of JPS5317093A publication Critical patent/JPS5317093A/en
Publication of JPS5834878B2 publication Critical patent/JPS5834878B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: The outbreak of fire is sensed by providing first, second hermetic chambers and using the difference in air pressures within the hermetic chambers at the time of temperature rise owing to the fire.
COPYRIGHT: (C)1978,JPO&Japio
JP9182876A 1976-07-30 1976-07-30 fire detector Expired JPS5834878B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9182876A JPS5834878B2 (en) 1976-07-30 1976-07-30 fire detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9182876A JPS5834878B2 (en) 1976-07-30 1976-07-30 fire detector

Publications (2)

Publication Number Publication Date
JPS5317093A true JPS5317093A (en) 1978-02-16
JPS5834878B2 JPS5834878B2 (en) 1983-07-29

Family

ID=14037457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9182876A Expired JPS5834878B2 (en) 1976-07-30 1976-07-30 fire detector

Country Status (1)

Country Link
JP (1) JPS5834878B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2120077A1 (en) * 1970-12-30 1972-08-11 Kao Corp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2120077A1 (en) * 1970-12-30 1972-08-11 Kao Corp

Also Published As

Publication number Publication date
JPS5834878B2 (en) 1983-07-29

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