AT278597B - Feuermelder mit bistabilen Eigenschaften - Google Patents

Feuermelder mit bistabilen Eigenschaften

Info

Publication number
AT278597B
AT278597B AT93567A AT93567A AT278597B AT 278597 B AT278597 B AT 278597B AT 93567 A AT93567 A AT 93567A AT 93567 A AT93567 A AT 93567A AT 278597 B AT278597 B AT 278597B
Authority
AT
Austria
Prior art keywords
fire alarms
bistable properties
bistable
properties
alarms
Prior art date
Application number
AT93567A
Other languages
German (de)
English (en)
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 AT278597B publication Critical patent/AT278597B/de

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

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)
AT93567A 1966-12-29 1967-02-01 Feuermelder mit bistabilen Eigenschaften AT278597B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1875166A CH468683A (de) 1966-12-29 1966-12-29 Feuermelder mit einer elektrischen Rückkopplungsanordnung

Publications (1)

Publication Number Publication Date
AT278597B true AT278597B (de) 1970-02-10

Family

ID=4435069

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93567A AT278597B (de) 1966-12-29 1967-02-01 Feuermelder mit bistabilen Eigenschaften

Country Status (7)

Country Link
US (1) US3559196A (sv)
AT (1) AT278597B (sv)
BE (1) BE707959A (sv)
CH (1) CH468683A (sv)
DK (1) DK122548B (sv)
GB (1) GB1200120A (sv)
SE (1) SE330659B (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946374A (en) * 1970-08-13 1976-03-23 Sci Systems, Inc. Rate-of-change combustion and contamination detection device
JPS4940290Y1 (sv) * 1970-11-19 1974-11-05
US3866195A (en) * 1973-05-07 1975-02-11 Fire Alert Company Combustion product detector and method of calibrating
DE2327497C3 (de) * 1973-05-30 1981-12-24 Benno 5430 Wettingen Aargau Perren Melder für Widerstandsänderungen mit nachgeschalteter Alarmeinrichtung
US4109240A (en) * 1973-11-26 1978-08-22 Cerberus Ag. Ionization-type fire sensing system
DE2546970C3 (de) * 1975-10-20 1981-09-10 Preussag Ag Feuerschutz, 2060 Bad Oldesloe Ionisations-Rauchmelder
DE2707409C2 (de) * 1977-02-21 1985-02-21 Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf Ionisationsbrandmelder
DE2726186C3 (de) * 1977-06-10 1981-05-14 Pan Data Ab, Stockholm Elektrische Überwachungsvorrichtung
US8101130B2 (en) * 2006-09-15 2012-01-24 Applied Nanotech Holdings, Inc. Gas ionization source
US9564045B2 (en) * 2014-04-14 2017-02-07 Stephen D. Ainsworth Alarm system testing device

Also Published As

Publication number Publication date
DK122548B (da) 1972-03-13
US3559196A (en) 1971-01-26
GB1200120A (en) 1970-07-29
CH468683A (de) 1969-02-15
BE707959A (sv) 1968-04-16
SE330659B (sv) 1970-11-23
DE1566687B1 (de) 1971-04-01

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time