FR2208150A1 - - Google Patents

Info

Publication number
FR2208150A1
FR2208150A1 FR7242430A FR7242430A FR2208150A1 FR 2208150 A1 FR2208150 A1 FR 2208150A1 FR 7242430 A FR7242430 A FR 7242430A FR 7242430 A FR7242430 A FR 7242430A FR 2208150 A1 FR2208150 A1 FR 2208150A1
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.)
Granted
Application number
FR7242430A
Other languages
French (fr)
Other versions
FR2208150B1 (ja
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 FR7242430A priority Critical patent/FR2208150B1/fr
Publication of FR2208150A1 publication Critical patent/FR2208150A1/fr
Application granted granted Critical
Publication of FR2208150B1 publication Critical patent/FR2208150B1/fr
Expired 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR7242430A 1972-11-29 1972-11-29 Expired FR2208150B1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7242430A FR2208150B1 (ja) 1972-11-29 1972-11-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7242430A FR2208150B1 (ja) 1972-11-29 1972-11-29

Publications (2)

Publication Number Publication Date
FR2208150A1 true FR2208150A1 (ja) 1974-06-21
FR2208150B1 FR2208150B1 (ja) 1977-07-22

Family

ID=9107925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7242430A Expired FR2208150B1 (ja) 1972-11-29 1972-11-29

Country Status (1)

Country Link
FR (1) FR2208150B1 (ja)

Citations (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
US3573777A (en) * 1968-12-09 1971-04-06 Honeywell Inc Combustion products detector control apparatus

Patent Citations (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
US3573777A (en) * 1968-12-09 1971-04-06 Honeywell Inc Combustion products detector control apparatus

Also Published As

Publication number Publication date
FR2208150B1 (ja) 1977-07-22

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Legal Events

Date Code Title Description
ST Notification of lapse