JPS56108191A - Fire detector - Google Patents

Fire detector

Info

Publication number
JPS56108191A
JPS56108191A JP11604779A JP11604779A JPS56108191A JP S56108191 A JPS56108191 A JP S56108191A JP 11604779 A JP11604779 A JP 11604779A JP 11604779 A JP11604779 A JP 11604779A JP S56108191 A JPS56108191 A JP S56108191A
Authority
JP
Japan
Prior art keywords
fire detector
fire
detector
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
JP11604779A
Other languages
English (en)
Inventor
Marusu Jiyan
Ru Giyui
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of JPS56108191A publication Critical patent/JPS56108191A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Fire Alarms (AREA)
JP11604779A 1978-09-11 1979-09-10 Fire detector Pending JPS56108191A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7825999A FR2435766A1 (fr) 1978-09-11 1978-09-11 Perfectionnement aux detecteurs a incendie

Publications (1)

Publication Number Publication Date
JPS56108191A true JPS56108191A (en) 1981-08-27

Family

ID=9212493

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11604779A Pending JPS56108191A (en) 1978-09-11 1979-09-10 Fire detector

Country Status (8)

Country Link
US (1) US4308458A (ja)
EP (1) EP0008991A1 (ja)
JP (1) JPS56108191A (ja)
CA (1) CA1134958A (ja)
DK (1) DK364379A (ja)
FR (1) FR2435766A1 (ja)
NO (1) NO792869L (ja)
OA (1) OA06335A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6218796U (ja) * 1985-07-18 1987-02-04

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1185495A (fr) * 1957-10-24 1959-07-31 Dispositif de détection et de contrôle de variations de composition d'un gaz, utilisable notamment comme prédétecteur d'incendie
US3961195A (en) * 1974-08-26 1976-06-01 Timothy John Newington Fire detector having means for heating the support member of an electrode to prevent formation of moisture thereon

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6218796U (ja) * 1985-07-18 1987-02-04

Also Published As

Publication number Publication date
DK364379A (da) 1980-03-12
FR2435766B1 (ja) 1981-10-23
CA1134958A (en) 1982-11-02
NO792869L (no) 1980-03-12
EP0008991A1 (fr) 1980-03-19
OA06335A (fr) 1981-06-30
FR2435766A1 (fr) 1980-04-04
US4308458A (en) 1981-12-29

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