DE3361760D1 - Ionisation fire detector - Google Patents

Ionisation fire detector

Info

Publication number
DE3361760D1
DE3361760D1 DE8383103225T DE3361760T DE3361760D1 DE 3361760 D1 DE3361760 D1 DE 3361760D1 DE 8383103225 T DE8383103225 T DE 8383103225T DE 3361760 T DE3361760 T DE 3361760T DE 3361760 D1 DE3361760 D1 DE 3361760D1
Authority
DE
Germany
Prior art keywords
insulating
materials
fire alarms
insulating materials
electrodes
Prior art date
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
DE8383103225T
Other languages
English (en)
Inventor
Andreas Dr Scheidweiler
Bernhard Durrer
Jurg Muggli
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.)
Cerberus AG
Original Assignee
Cerberus AG
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 Cerberus AG filed Critical Cerberus AG
Application granted granted Critical
Publication of DE3361760D1 publication Critical patent/DE3361760D1/de
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

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)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Fire Alarms (AREA)
DE8383103225T 1982-04-08 1983-03-31 Ionisation fire detector Expired DE3361760D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH218482 1982-04-08

Publications (1)

Publication Number Publication Date
DE3361760D1 true DE3361760D1 (en) 1986-02-20

Family

ID=4227850

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383103225T Expired DE3361760D1 (en) 1982-04-08 1983-03-31 Ionisation fire detector

Country Status (10)

Country Link
US (1) US4582996A (de)
EP (1) EP0091623B1 (de)
JP (1) JPS58186896A (de)
AT (1) ATE17409T1 (de)
AU (1) AU554415B2 (de)
BR (1) BR8301799A (de)
CA (1) CA1217284A (de)
DE (1) DE3361760D1 (de)
ES (1) ES521785A0 (de)
NO (1) NO831246L (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6044194U (ja) * 1983-09-05 1985-03-28 能美防災工業株式会社 イオン化式煙感知器の耐熱ケ−ス
DE4028167A1 (de) * 1990-09-05 1992-03-12 Esser Sicherheitstechnik Ionisationsbrandmelder
US5485144A (en) * 1993-05-07 1996-01-16 Pittway Corporation Compensated ionization sensor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH506148A (fr) * 1969-02-28 1971-04-15 Mefina Sa Dispositif détecteur de fumée
BE731052A (fr) * 1969-04-04 1969-10-06 Acec Procédés de fabrication de produits stratifiés isolants
ZA704724B (en) * 1969-07-22 1971-03-31 Nittan Co Ltd Ionization smoke detector
CH508251A (de) * 1970-07-23 1971-05-31 Cerberus Ag Ionisationsfeuermelder
DE2143365B2 (de) * 1971-08-30 1977-09-08 Siemens AG, 1000 Berlin und 8000 München Anordnung zum isolieren von elektroden
JPS5823705B2 (ja) * 1977-08-24 1983-05-17 株式会社東芝 放射線検出器
JPS57135977A (en) * 1981-02-16 1982-08-21 Canon Kk Photoelectrical indicator

Also Published As

Publication number Publication date
ATE17409T1 (de) 1986-01-15
AU554415B2 (en) 1986-08-21
ES8404079A1 (es) 1984-04-01
NO831246L (no) 1983-10-10
EP0091623B1 (de) 1986-01-08
US4582996A (en) 1986-04-15
EP0091623A1 (de) 1983-10-19
AU1295883A (en) 1983-10-13
ES521785A0 (es) 1984-04-01
CA1217284A (en) 1987-01-27
JPS58186896A (ja) 1983-10-31
BR8301799A (pt) 1983-12-20

Similar Documents

Publication Publication Date Title
US2408051A (en) Fire and smoke detector and the like
DK158244C (da) Ionselektiv maaleelektrode og fremgangsmaade til fremstilling af denne elektrode
US3448261A (en) Signal detection and measuring circuit
IT8121171A0 (it) Apparecchiatura di interruzione di circuiti.
DE3361760D1 (en) Ionisation fire detector
US3808441A (en) Devices for measuring the dose rate of a beam of ionising radiation
US3271756A (en) Method and apparatus for detecting a hazardous condition
IT1135215B (it) Circuito a sorgente di corrente costante,stabilizzato nei confronti della tensione e della temperatura
ES523393A0 (es) Detector del nivel de ionizacion de un medio gaseoso controlado por arco electrico
US3676681A (en) Ionization smoke detector
DK380584D0 (da) Elektronkanon med gitterarrangement til drift med hoej effekt eller lav efekt
US4455488A (en) Radiation detector
DE3168215D1 (en) Ionisation fire alarm device with malfunction signalization
NO161526C (no) Fremgangsmaate for testing av en elektrisk krets.
ATA159382A (de) Hochspannungs-leistungsschalter
SU503308A1 (ru) Способ контактно% коммутации
JPS5476198A (en) Gas detector
JPS6134685Y2 (de)
ATA12382A (de) Gekapselter, ein isoliergas enthaltender hochspannungsschalter
AR230399A1 (es) Corrector de freno de circuito doble bajo control de retardacion
GB1037742A (en) Method and apparatus for detecting components of a gas mixture by ionisation and measurement of the ion current
JPS54153686A (en) Ionization chamber type radiation detector
JPS57115752A (en) Ion detector for mass spectrograph
FR2360881A1 (fr) Detecteur ionique de fumee
JPS54153697A (en) Ionization type smoke detector

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee