FR2195813B3 - - Google Patents

Info

Publication number
FR2195813B3
FR2195813B3 FR7329293A FR7329293A FR2195813B3 FR 2195813 B3 FR2195813 B3 FR 2195813B3 FR 7329293 A FR7329293 A FR 7329293A FR 7329293 A FR7329293 A FR 7329293A FR 2195813 B3 FR2195813 B3 FR 2195813B3
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
FR7329293A
Other versions
FR2195813A1 (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.)
Chubb Fire Ltd
Original Assignee
Chubb Fire Security 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 Chubb Fire Security Ltd filed Critical Chubb Fire Security Ltd
Publication of FR2195813A1 publication Critical patent/FR2195813A1/fr
Application granted granted Critical
Publication of FR2195813B3 publication Critical patent/FR2195813B3/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
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR7329293A 1972-08-11 1973-08-10 Expired FR2195813B3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3763372A GB1405615A (en) 1972-08-11 1972-08-11 Fire alarms
GB5258772 1972-11-14

Publications (2)

Publication Number Publication Date
FR2195813A1 FR2195813A1 (fr) 1974-03-08
FR2195813B3 true FR2195813B3 (fr) 1975-10-31

Family

ID=26263518

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7329293A Expired FR2195813B3 (fr) 1972-08-11 1973-08-10

Country Status (17)

Country Link
JP (1) JPS49132998A (fr)
AT (1) AT347300B (fr)
AU (1) AU476368B2 (fr)
CH (1) CH560434A5 (fr)
DD (1) DD107157A5 (fr)
DE (1) DE2340041C2 (fr)
DK (1) DK144255C (fr)
ES (1) ES417739A1 (fr)
FR (1) FR2195813B3 (fr)
GB (1) GB1405615A (fr)
HK (1) HK55376A (fr)
IL (1) IL42930A (fr)
IT (1) IT990203B (fr)
MY (1) MY7600243A (fr)
NL (1) NL7311010A (fr)
NO (1) NO132564C (fr)
SE (1) SE383793B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7604502L (sv) * 1976-04-15 1977-10-16 Ericsson Telefon Ab L M Optisk branddetektor
SE395554B (sv) * 1976-09-01 1977-08-15 Ericsson Telefon Ab L M Optisk branddetektor
DE2965907D1 (en) * 1979-07-13 1983-08-25 Ag Securiton Method for detecting aerosols in air of a control zone and apparatus for its performing
JPS5631625A (en) * 1979-08-24 1981-03-31 Hochiki Corp Smoke detector of photoelectronic type
JPS57140925A (en) * 1981-02-24 1982-08-31 Fuji Heavy Ind Ltd Detection of clutch overheat
AU556490B2 (en) * 1982-07-29 1986-11-06 Kerr-Mcgee Corp. Production monitoring system
EP0145189B1 (fr) * 1983-10-21 1990-08-08 COLE, Martin Terence Appareil pour la détection de la fumée
DE102004004098B3 (de) 2004-01-27 2005-09-01 Wagner Alarm- Und Sicherungssysteme Gmbh Verfahren zur Auswertung eines Streulichtsignals und Streulichtdetektor zur Durchführung des Verfahrens
CN108510701B (zh) * 2018-03-20 2019-11-22 深圳市泰和安科技有限公司 一种智能烟雾报警方法、装置及系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE455987C (de) * 1924-04-11 1928-02-11 John Joseph Dowling Vorrichtung zum Anzeigen von Lichtschwankungen durch eine lichtempfindliche Zelle und ein hochempfindliches Relais
DE1024851B (de) * 1953-05-04 1958-02-20 Electronics Corp America Anzeigevorrichtung fuer Flammen
JPS4429154Y1 (fr) * 1967-04-20 1969-12-03
GB1278205A (en) * 1970-02-11 1972-06-21 Shorrock Develpoments Ltd Smoke detecting device
DE2023463B1 (de) * 1970-05-13 1971-12-30 Preussag Ag Feuerschutz Optischer Rauchdetektor

Also Published As

Publication number Publication date
AU476368B2 (en) 1976-09-16
CH560434A5 (fr) 1975-03-27
NL7311010A (fr) 1974-02-13
AT347300B (de) 1978-12-27
DK144255B (da) 1982-01-25
DK144255C (da) 1982-08-16
DE2340041C2 (de) 1984-11-29
AU5901373A (en) 1975-02-13
NO132564C (fr) 1975-11-26
IL42930A0 (en) 1973-11-28
FR2195813A1 (fr) 1974-03-08
HK55376A (en) 1976-09-17
SE383793B (sv) 1976-03-29
DD107157A5 (fr) 1974-07-12
DE2340041A1 (de) 1974-04-04
ATA708673A (de) 1978-04-15
NO132564B (fr) 1975-08-18
MY7600243A (en) 1976-12-31
ES417739A1 (es) 1976-02-16
JPS49132998A (fr) 1974-12-20
IL42930A (en) 1976-10-31
IT990203B (it) 1975-06-20
GB1405615A (en) 1975-09-10

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