FR2090086A1 - - Google Patents

Info

Publication number
FR2090086A1
FR2090086A1 FR7117530A FR7117530A FR2090086A1 FR 2090086 A1 FR2090086 A1 FR 2090086A1 FR 7117530 A FR7117530 A FR 7117530A FR 7117530 A FR7117530 A FR 7117530A FR 2090086 A1 FR2090086 A1 FR 2090086A1
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
FR7117530A
Other languages
French (fr)
Other versions
FR2090086B1 (de
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.)
Preussag AG Feuerschutz
Original Assignee
Preussag AG Feuerschutz
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
Priority claimed from DE19712121382 external-priority patent/DE2121382A1/de
Application filed by Preussag AG Feuerschutz filed Critical Preussag AG Feuerschutz
Publication of FR2090086A1 publication Critical patent/FR2090086A1/fr
Application granted granted Critical
Publication of FR2090086B1 publication Critical patent/FR2090086B1/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
FR7117530A 1970-05-16 1971-05-14 Expired FR2090086B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2024116 1970-05-16
DE19712121382 DE2121382A1 (de) 1971-04-30 1971-04-30 Iomsations Feuermelder

Publications (2)

Publication Number Publication Date
FR2090086A1 true FR2090086A1 (de) 1972-01-14
FR2090086B1 FR2090086B1 (de) 1975-01-17

Family

ID=25759156

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7117530A Expired FR2090086B1 (de) 1970-05-16 1971-05-14

Country Status (9)

Country Link
US (1) US3795904A (de)
AR (1) AR199378A1 (de)
BE (1) BE767246A (de)
CA (1) CA948332A (de)
CH (1) CH539310A (de)
ES (1) ES197895Y (de)
FR (1) FR2090086B1 (de)
GB (1) GB1329475A (de)
NO (1) NO129270B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906474A (en) * 1973-05-07 1975-09-16 Fire Alert Company Combustion products alarm
FR2402256A1 (fr) * 1977-08-29 1979-03-30 Debard Robert Detecteur, notamment d'incendie
US4208655A (en) * 1978-02-21 1980-06-17 Westinghouse Electric Corp. Protective system for electrical apparatus
USRE30620E (en) * 1978-07-03 1981-05-19 P. R. Mallory & Co. Inc. High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means
ZA786519B (en) * 1978-11-20 1980-02-27 Anglo Amer Corp South Africa Detector
US4383253A (en) * 1979-01-29 1983-05-10 International Quartz Ltd. Ionization smoke detector
US4270123A (en) * 1979-02-26 1981-05-26 Universal Det, S.A.R.L. Detector for indicating a fire or detector malfunction
DE3004753C2 (de) * 1980-02-08 1983-12-22 Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf Brandmeldeeinrichtung
US5189399A (en) * 1989-02-18 1993-02-23 Hartwig Beyersdorf Method of operating an ionization smoke alarm and ionization smoke alarm

Citations (3)

* 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
FR1494089A (fr) * 1965-03-11 1967-09-08 Pour Applic Electroniques Ets Circuit de détection et de mesure de signaux, notamment de signaux dérivés de l'ionisation d'un milieu, particulièrement d'un milieu gazeux
CH497755A (de) * 1969-06-24 1970-10-15 Cerberus Ag Ionisationsfeuermelder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2950387A (en) * 1957-08-16 1960-08-23 Bell & Howell Co Gas analysis
LU48167A1 (de) * 1965-03-11 1966-09-12 Applic Electroniques Ets
CH446131A (de) * 1966-02-22 1967-10-31 Cerberus Ag Ionisationsfeuermelderanlage

Patent Citations (3)

* 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
FR1494089A (fr) * 1965-03-11 1967-09-08 Pour Applic Electroniques Ets Circuit de détection et de mesure de signaux, notamment de signaux dérivés de l'ionisation d'un milieu, particulièrement d'un milieu gazeux
CH497755A (de) * 1969-06-24 1970-10-15 Cerberus Ag Ionisationsfeuermelder

Also Published As

Publication number Publication date
BE767246A (fr) 1971-11-17
ES197895Y (es) 1975-10-01
CH539310A (de) 1973-07-15
NO129270B (de) 1974-03-18
GB1329475A (en) 1973-09-12
AR199378A1 (es) 1974-08-30
US3795904A (en) 1974-03-05
ES197895U (es) 1975-05-01
CA948332A (en) 1974-05-28
FR2090086B1 (de) 1975-01-17

Similar Documents

Publication Publication Date Title
FR2090086B1 (de)
ATA96471A (de)
AU1146470A (de)
AU2044470A (de)
AU1473870A (de)
AU1326870A (de)
AU2085370A (de)
AU2017870A (de)
AU1833270A (de)
AU1716970A (de)
AU1517670A (de)
AU1336970A (de)
AU1591370A (de)
AU1841070A (de)
AU1086670A (de)
AU6979874A (de)
AU2130770A (de)
AU1328670A (de)
AU1277070A (de)
AU1343870A (de)
AU1247570A (de)
AU2130570A (de)
AU1235770A (de)
AU1581370A (de)
AU1189670A (de)

Legal Events

Date Code Title Description
ST Notification of lapse