JPS542699A - Automatic individual fire alarm - Google Patents

Automatic individual fire alarm

Info

Publication number
JPS542699A
JPS542699A JP6668477A JP6668477A JPS542699A JP S542699 A JPS542699 A JP S542699A JP 6668477 A JP6668477 A JP 6668477A JP 6668477 A JP6668477 A JP 6668477A JP S542699 A JPS542699 A JP S542699A
Authority
JP
Japan
Prior art keywords
fire alarm
individual fire
automatic individual
automatic
sensor
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
JP6668477A
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 JP6668477A priority Critical patent/JPS542699A/en
Publication of JPS542699A publication Critical patent/JPS542699A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)

Abstract

PURPOSE: To make it possible to recognize the operation of each sensor easily, by branching a plural number of fire sensors, in which circuits connected in parallel to resistors of the different resistance values from diodes are provided in series, from sensor wirings.
COPYRIGHT: (C)1979,JPO&Japio
JP6668477A 1977-06-08 1977-06-08 Automatic individual fire alarm Pending JPS542699A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6668477A JPS542699A (en) 1977-06-08 1977-06-08 Automatic individual fire alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6668477A JPS542699A (en) 1977-06-08 1977-06-08 Automatic individual fire alarm

Publications (1)

Publication Number Publication Date
JPS542699A true JPS542699A (en) 1979-01-10

Family

ID=13322993

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6668477A Pending JPS542699A (en) 1977-06-08 1977-06-08 Automatic individual fire alarm

Country Status (1)

Country Link
JP (1) JPS542699A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61220094A (en) * 1985-03-25 1986-09-30 松下電工株式会社 Fire sensor
JPS61220093A (en) * 1985-03-25 1986-09-30 松下電工株式会社 Fire sensor
JPS61160590U (en) * 1985-03-25 1986-10-04
JPS6214594U (en) * 1985-07-11 1987-01-28
JPH02121092A (en) * 1988-10-31 1990-05-08 Hochiki Corp Fire sensor
JP2009527834A (en) * 2006-02-24 2009-07-30 エアバス フランス Fire detection system and aircraft equipped with this system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61220094A (en) * 1985-03-25 1986-09-30 松下電工株式会社 Fire sensor
JPS61220093A (en) * 1985-03-25 1986-09-30 松下電工株式会社 Fire sensor
JPS61160590U (en) * 1985-03-25 1986-10-04
JPH0426943Y2 (en) * 1985-03-25 1992-06-29
JPH0542719B2 (en) * 1985-03-25 1993-06-29 Matsushita Electric Works Ltd
JPS6214594U (en) * 1985-07-11 1987-01-28
JPH02121092A (en) * 1988-10-31 1990-05-08 Hochiki Corp Fire sensor
JP2009527834A (en) * 2006-02-24 2009-07-30 エアバス フランス Fire detection system and aircraft equipped with this system

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