IE40219B1 - Fire sensing system including an ionitation chamber - Google Patents

Fire sensing system including an ionitation chamber

Info

Publication number
IE40219B1
IE40219B1 IE2430/74A IE243074A IE40219B1 IE 40219 B1 IE40219 B1 IE 40219B1 IE 2430/74 A IE2430/74 A IE 2430/74A IE 243074 A IE243074 A IE 243074A IE 40219 B1 IE40219 B1 IE 40219B1
Authority
IE
Ireland
Prior art keywords
frequency
chamber
ionization
vibrator
capacitor
Prior art date
Application number
IE2430/74A
Other languages
English (en)
Other versions
IE40219L (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
Publication of IE40219L publication Critical patent/IE40219L/xx
Publication of IE40219B1 publication Critical patent/IE40219B1/xx

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)
  • Fire Alarms (AREA)
IE2430/74A 1973-11-26 1974-11-26 Fire sensing system including an ionitation chamber IE40219B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1659873A CH556072A (de) 1973-11-26 1973-11-26 Ionisationsfeuermelder.

Publications (2)

Publication Number Publication Date
IE40219L IE40219L (en) 1975-05-26
IE40219B1 true IE40219B1 (en) 1979-04-11

Family

ID=4418667

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2430/74A IE40219B1 (en) 1973-11-26 1974-11-26 Fire sensing system including an ionitation chamber

Country Status (10)

Country Link
JP (1) JPS5513073B2 (da)
CH (1) CH556072A (da)
DE (1) DE2453062C2 (da)
DK (1) DK612574A (da)
FR (1) FR2252616B1 (da)
GB (1) GB1469267A (da)
HK (1) HK58777A (da)
IE (1) IE40219B1 (da)
NO (1) NO139459C (da)
SE (1) SE394530B (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT363827B (de) * 1976-02-06 1981-09-10 Cerberus Ag Anordnung zur brandmeldung
US4104619A (en) * 1976-10-01 1978-08-01 General Electric Company Smoke detector
DE102014019773B4 (de) 2014-12-17 2023-12-07 Elmos Semiconductor Se Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons
DE102014019172B4 (de) 2014-12-17 2023-12-07 Elmos Semiconductor Se Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1081356B (de) * 1958-01-08 1960-05-05 Honeywell Regulator Co Auf dem Ionisationsprinzip beruhender Detektor
DE1279513B (de) * 1963-10-16 1968-10-03 Pour Applic Electroniques Ets Ionisationsmelder, dessen Ionisationskammer fuer die Atmosphaere zugaenglich ist
US3673586A (en) * 1970-02-19 1972-06-27 Statitrol Corp Resistance controlled timed pulse generator

Also Published As

Publication number Publication date
SE394530B (sv) 1977-06-27
GB1469267A (en) 1977-04-06
DE2453062A1 (de) 1975-05-28
NO744230L (da) 1975-06-23
CH556072A (de) 1974-11-15
NO139459B (no) 1978-12-04
FR2252616A1 (da) 1975-06-20
IE40219L (en) 1975-05-26
FR2252616B1 (da) 1980-03-14
SE7414766L (da) 1975-05-27
DE2453062C2 (de) 1982-09-16
JPS5086300A (da) 1975-07-11
DK612574A (da) 1975-07-14
NO139459C (no) 1979-03-14
JPS5513073B2 (da) 1980-04-05
HK58777A (en) 1977-12-02

Similar Documents

Publication Publication Date Title
US4225860A (en) Sensitivity controlled dual input fire detector
US4377808A (en) Infrared intrusion alarm system
US4418335A (en) Infrared intrusion detector with pyroelectric sensor and charge amplifier
US4091363A (en) Self-contained fire detector with interconnection circuitry
FI59498C (fi) Ionisationsbrandalarmanordning
GB1347306A (en) Fire detector
US3872449A (en) Fire detector and method employing assymetrical integrator
US4021671A (en) Ionization detector
IE40219B1 (en) Fire sensing system including an ionitation chamber
GB1089757A (en) Improvements in or relating to fire detection, alarm, and fighting apparatus
US4222046A (en) Abnormal condition responsive means with periodic high sensitivity
US4041479A (en) Output circuit of an ionization smoke sensor
IE45520L (en) Smoke detector
GB1514501A (en) Ionization-type fire detector
US4163968A (en) Supervised loop alarm radio transmitter system
US3676681A (en) Ionization smoke detector
US4327361A (en) Gas sensor
ES468622A1 (es) Dispositivo de deteccion de humos de incendio
CA1148279A (en) Ionization smoke detector with increased operational reliability
US2907017A (en) Impedance alarm system
AU555096B2 (en) Smoke detector containing a radiation source operating in a pulse mode
JPS551507A (en) Humidity detector
IE792181L (en) Ionisation type fire detector
JPS5776960A (en) Receiver
US3987423A (en) Ionization-chamber smoke detector system