JPS54149497A - Automatic fire alamr system - Google Patents

Automatic fire alamr system

Info

Publication number
JPS54149497A
JPS54149497A JP5841278A JP5841278A JPS54149497A JP S54149497 A JPS54149497 A JP S54149497A JP 5841278 A JP5841278 A JP 5841278A JP 5841278 A JP5841278 A JP 5841278A JP S54149497 A JPS54149497 A JP S54149497A
Authority
JP
Japan
Prior art keywords
optical fiber
generated
fire
receiver
led
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
JP5841278A
Other languages
Japanese (ja)
Inventor
Yutaka Miura
Takashi Tsutsuizumi
Takeshige Ichida
Noboru Kurata
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 Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP5841278A priority Critical patent/JPS54149497A/en
Publication of JPS54149497A publication Critical patent/JPS54149497A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To facilitate maintenance and inspection by detecting a fire by converting rays, which are generated on a basis of fire occurrence, to electric signals through an optical fiber.
CONSTITUTION: Infrared rays 24 generated by heat source 23 are inputted from photo detector face 30 to optical fiber 25 and are transmitted and led to receiver 26. Infrared rays led to the receiver operate processing equipment 29 through photoelectric conversion element 27 and amplifier 28. Since every room and receiver 26 are connected only by the optical fiber, no leak and induction truble are generated, and the transmission path is prevented from being unavailable due to a fire because the optical fiber stands a high temperature.
COPYRIGHT: (C)1979,JPO&Japio
JP5841278A 1978-05-16 1978-05-16 Automatic fire alamr system Pending JPS54149497A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5841278A JPS54149497A (en) 1978-05-16 1978-05-16 Automatic fire alamr system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5841278A JPS54149497A (en) 1978-05-16 1978-05-16 Automatic fire alamr system

Publications (1)

Publication Number Publication Date
JPS54149497A true JPS54149497A (en) 1979-11-22

Family

ID=13083653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5841278A Pending JPS54149497A (en) 1978-05-16 1978-05-16 Automatic fire alamr system

Country Status (1)

Country Link
JP (1) JPS54149497A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4418338A (en) * 1980-11-20 1983-11-29 Burt Dennis W Optical fibre U.V. and/or I.R. line fire detector
JPS59151295A (en) * 1983-02-17 1984-08-29 Japan Aviation Electron Flame sensor
JPS6089722A (en) * 1983-10-21 1985-05-20 Babcock Hitachi Kk Flame monitoring device
US4533834A (en) * 1982-12-02 1985-08-06 The United States Of America As Represented By The Secretary Of The Army Optical fire detection system responsive to spectral content and flicker frequency

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4418338A (en) * 1980-11-20 1983-11-29 Burt Dennis W Optical fibre U.V. and/or I.R. line fire detector
US4533834A (en) * 1982-12-02 1985-08-06 The United States Of America As Represented By The Secretary Of The Army Optical fire detection system responsive to spectral content and flicker frequency
JPS59151295A (en) * 1983-02-17 1984-08-29 Japan Aviation Electron Flame sensor
JPS6089722A (en) * 1983-10-21 1985-05-20 Babcock Hitachi Kk Flame monitoring device
JPH0374775B2 (en) * 1983-10-21 1991-11-28

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