DE2011329A1 - Ionisationsfeuermelder - Google Patents

Ionisationsfeuermelder

Info

Publication number
DE2011329A1
DE2011329A1 DE19702011329 DE2011329A DE2011329A1 DE 2011329 A1 DE2011329 A1 DE 2011329A1 DE 19702011329 DE19702011329 DE 19702011329 DE 2011329 A DE2011329 A DE 2011329A DE 2011329 A1 DE2011329 A1 DE 2011329A1
Authority
DE
Germany
Prior art keywords
ionization
fire alarm
field effect
ionization chamber
effect transistor
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.)
Pending
Application number
DE19702011329
Other languages
German (de)
English (en)
Inventor
Andreas Dr Stafa Scheidweiler (Schweiz) P
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
Publication of DE2011329A1 publication Critical patent/DE2011329A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
DE19702011329 1969-03-27 1970-03-10 Ionisationsfeuermelder Pending DE2011329A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH462969A CH489070A (de) 1969-03-27 1969-03-27 Ionisationsfeuermelder

Publications (1)

Publication Number Publication Date
DE2011329A1 true DE2011329A1 (de) 1971-06-03

Family

ID=4279695

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702011329 Pending DE2011329A1 (de) 1969-03-27 1970-03-10 Ionisationsfeuermelder

Country Status (4)

Country Link
US (1) US3714641A (https=)
CH (1) CH489070A (https=)
DE (1) DE2011329A1 (https=)
GB (1) GB1253196A (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023152A (en) * 1973-10-01 1977-05-10 Matsushita Electric Works, Ltd. Ionization type smoke sensing device
CH586941A5 (https=) * 1975-07-25 1977-04-15 Cerberus Ag
ZA786519B (en) * 1978-11-20 1980-02-27 Anglo Amer Corp South Africa Detector
CA1148279A (en) * 1979-12-14 1983-06-14 Andreas Scheidweiler Ionization smoke detector with increased operational reliability
US8101130B2 (en) * 2006-09-15 2012-01-24 Applied Nanotech Holdings, Inc. Gas ionization source

Also Published As

Publication number Publication date
GB1253196A (https=) 1971-11-10
US3714641A (en) 1973-01-30
CH489070A (de) 1970-04-15

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