FR2108895B1 - - Google Patents

Info

Publication number
FR2108895B1
FR2108895B1 FR7037512A FR7037512A FR2108895B1 FR 2108895 B1 FR2108895 B1 FR 2108895B1 FR 7037512 A FR7037512 A FR 7037512A FR 7037512 A FR7037512 A FR 7037512A FR 2108895 B1 FR2108895 B1 FR 2108895B1
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
FR7037512A
Other versions
FR2108895A1 (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.)
GAMMA ELECTRONIC
Original Assignee
GAMMA ELECTRONIC
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 GAMMA ELECTRONIC filed Critical GAMMA ELECTRONIC
Priority to FR7037512A priority Critical patent/FR2108895B1/fr
Publication of FR2108895A1 publication Critical patent/FR2108895A1/fr
Application granted granted Critical
Publication of FR2108895B1 publication Critical patent/FR2108895B1/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
    • 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
    • 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)
FR7037512A 1970-10-16 1970-10-16 Expired FR2108895B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7037512A FR2108895B1 (fr) 1970-10-16 1970-10-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7037512A FR2108895B1 (fr) 1970-10-16 1970-10-16

Publications (2)

Publication Number Publication Date
FR2108895A1 FR2108895A1 (fr) 1972-05-26
FR2108895B1 true FR2108895B1 (fr) 1973-06-08

Family

ID=9062881

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7037512A Expired FR2108895B1 (fr) 1970-10-16 1970-10-16

Country Status (1)

Country Link
FR (1) FR2108895B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014019773A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons
DE102014019172A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL52357A (en) * 1976-07-02 1979-11-30 Chloride Group Ltd Ionisation detector chamber
BE874157A (fr) * 1979-02-14 1979-05-29 Inst Nat Radio Elements Detecteur ionique
DE3341781A1 (de) * 1983-11-18 1985-05-30 Siemens AG, 1000 Berlin und 8000 München Automatischer brandmelder und verfahren zur fertigung automatischer brandmelder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014019773A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons
DE102014019172A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem

Also Published As

Publication number Publication date
FR2108895A1 (fr) 1972-05-26

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Legal Events

Date Code Title Description
ST Notification of lapse