FR2454661B1 - - Google Patents

Info

Publication number
FR2454661B1
FR2454661B1 FR7910097A FR7910097A FR2454661B1 FR 2454661 B1 FR2454661 B1 FR 2454661B1 FR 7910097 A FR7910097 A FR 7910097A FR 7910097 A FR7910097 A FR 7910097A FR 2454661 B1 FR2454661 B1 FR 2454661B1
Authority
FR
France
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.)
Expired
Application number
FR7910097A
Other languages
French (fr)
Other versions
FR2454661A1 (fr
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.)
Hochiki Corp
Original Assignee
Hochiki Corp
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 Hochiki Corp filed Critical Hochiki Corp
Priority to FR7910097A priority Critical patent/FR2454661A1/fr
Publication of FR2454661A1 publication Critical patent/FR2454661A1/fr
Application granted granted Critical
Publication of FR2454661B1 publication Critical patent/FR2454661B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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
    • G08B17/113—Constructional details
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)
FR7910097A 1979-04-20 1979-04-20 Appareil de detection d'incendie a tetes detectrices interchangeables Granted FR2454661A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7910097A FR2454661A1 (fr) 1979-04-20 1979-04-20 Appareil de detection d'incendie a tetes detectrices interchangeables

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7910097A FR2454661A1 (fr) 1979-04-20 1979-04-20 Appareil de detection d'incendie a tetes detectrices interchangeables

Publications (2)

Publication Number Publication Date
FR2454661A1 FR2454661A1 (fr) 1980-11-14
FR2454661B1 true FR2454661B1 (enExample) 1982-04-30

Family

ID=9224564

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7910097A Granted FR2454661A1 (fr) 1979-04-20 1979-04-20 Appareil de detection d'incendie a tetes detectrices interchangeables

Country Status (1)

Country Link
FR (1) FR2454661A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0434442Y2 (enExample) * 1985-07-22 1992-08-17

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE456804A (enExample) *
US3246312A (en) * 1963-02-18 1966-04-12 Martin J Mcginn Pressure compensated ionization chamber fire detector system
US3900795A (en) * 1973-08-15 1975-08-19 Honeywell Inc Installation and test tool for ionization smoke detector

Also Published As

Publication number Publication date
FR2454661A1 (fr) 1980-11-14

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Legal Events

Date Code Title Description
ST Notification of lapse