DE3767734D1 - Ionisationskammer-rauchdetektor. - Google Patents

Ionisationskammer-rauchdetektor.

Info

Publication number
DE3767734D1
DE3767734D1 DE8787400420T DE3767734T DE3767734D1 DE 3767734 D1 DE3767734 D1 DE 3767734D1 DE 8787400420 T DE8787400420 T DE 8787400420T DE 3767734 T DE3767734 T DE 3767734T DE 3767734 D1 DE3767734 D1 DE 3767734D1
Authority
DE
Germany
Prior art keywords
smoke detector
ionization chamber
chamber smoke
ionization
detector
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 - Lifetime
Application number
DE8787400420T
Other languages
English (en)
Inventor
Jacques Lewiner
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE3767734D1 publication Critical patent/DE3767734D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
DE8787400420T 1986-02-25 1987-02-25 Ionisationskammer-rauchdetektor. Expired - Lifetime DE3767734D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8602567A FR2594953B1 (fr) 1986-02-25 1986-02-25 Detecteur de fumee a chambre d'ionisation

Publications (1)

Publication Number Publication Date
DE3767734D1 true DE3767734D1 (de) 1991-03-07

Family

ID=9332497

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787400420T Expired - Lifetime DE3767734D1 (de) 1986-02-25 1987-02-25 Ionisationskammer-rauchdetektor.

Country Status (7)

Country Link
US (1) US4864141A (de)
EP (1) EP0236223B1 (de)
AU (1) AU595292B2 (de)
CA (1) CA1275744C (de)
DE (1) DE3767734D1 (de)
ES (1) ES2019645B3 (de)
FR (1) FR2594953B1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5384462A (en) * 1992-12-08 1995-01-24 Levitt; Roy C. Process and apparatus for localizing a source of charged particles using an electric field
FR2746184B1 (fr) * 1996-03-15 1998-06-05 Detecteur de fumee a ionisation d'air par voie electrique
US6215851B1 (en) 1998-07-22 2001-04-10 Northrop Grumman Corporation High current proton beam target
US6606899B1 (en) * 2000-07-07 2003-08-19 Air Products And Chemicals, Inc. Total impurity monitor for gases
US20030180591A1 (en) * 2001-03-29 2003-09-25 Steven Danyluk Contact potential difference ionization battery
GB0613882D0 (en) * 2006-07-12 2006-08-23 Kidde Ip Holdings Ltd Smoke detector
US7735910B2 (en) * 2007-03-10 2010-06-15 Honda Motor Co., Ltd Plasma wind deflector for a sunroof
US8735858B2 (en) * 2010-04-30 2014-05-27 Hewlett-Packard Development Company, L.P. Ionic devices with interacting species
FR2970102B1 (fr) * 2010-12-31 2012-12-28 Jacques Lewiner Detecteur de fumee
US9437093B2 (en) * 2011-10-06 2016-09-06 Microchip Technology Incorporated Differential current measurements to determine ION current in the presence of leakage current
US9823280B2 (en) 2011-12-21 2017-11-21 Microchip Technology Incorporated Current sensing with internal ADC capacitor
WO2014016473A1 (fr) 2012-07-24 2014-01-30 Finsecur S.A. Détecteur de fumée

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL224264A (de) * 1957-10-24
US3560737A (en) * 1967-08-02 1971-02-02 Honeywell Inc Combustion products detector using a radioactive source and detector
CH475614A (de) * 1968-06-18 1969-07-15 Cerberus Ag Werke Fuer Elektro Ionisationsfeuermelder
CH508251A (de) * 1970-07-23 1971-05-31 Cerberus Ag Ionisationsfeuermelder
AU423137B2 (en) * 1970-11-09 1972-04-04 Nittan Company Limited Ionization smike detector
CH551057A (de) * 1973-04-17 1974-06-28 Cerberus Ag Ionisationsfeuermelder.
US4171486A (en) * 1977-08-31 1979-10-16 Emhart Industries, Inc. Ionization smoke detector with controlled sensitivity
US4185196A (en) * 1978-01-13 1980-01-22 General Electric Company Ionization smoke detector having improved stability and sensitivity
US4227085A (en) * 1978-10-05 1980-10-07 Electrometer Corporation Ionization-type particle detector
US4488044A (en) * 1981-11-20 1984-12-11 Pittway Corporation Ionization chamber for smoke detector and the like
JPS58186463U (ja) * 1982-06-07 1983-12-10 能美防災株式会社 イオン化式煙感知器
US4564762A (en) * 1984-05-16 1986-01-14 Pyrotector, Inc. Smoke detector

Also Published As

Publication number Publication date
FR2594953A1 (fr) 1987-08-28
CA1275744C (en) 1990-10-30
AU6917787A (en) 1987-08-27
EP0236223A1 (de) 1987-09-09
AU595292B2 (en) 1990-03-29
EP0236223B1 (de) 1991-01-30
FR2594953B1 (fr) 1989-05-05
ES2019645B3 (es) 1991-07-01
US4864141A (en) 1989-09-05

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Legal Events

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