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CH547532A - IONIZATION ALARM. - Google Patents

IONIZATION ALARM.

Info

Publication number
CH547532A
CH547532ACH1065572ACH547532DACH547532ACH 547532 ACH547532 ACH 547532ACH 1065572 ACH1065572 ACH 1065572ACH 547532D ACH547532D ACH 547532DACH 547532 ACH547532 ACH 547532A
Authority
CH
Switzerland
Prior art keywords
ionization
alarm
ionization alarm
Prior art date
Application number
CH1065572A
Other languages
German (de)
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 AgfiledCriticalCerberus Ag
Publication of CH547532ApublicationCriticalpatent/CH547532A/en

Links

Classifications

Landscapes

CH1065572A1972-07-171972-07-17 IONIZATION ALARM.CH547532A (en)

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
CH10655721972-07-17

Publications (1)

Publication NumberPublication Date
CH547532Atrue CH547532A (en)1974-03-29

Family

ID=4365446

Family Applications (1)

Application NumberTitlePriority DateFiling Date
CH1065572ACH547532A (en)1972-07-171972-07-17 IONIZATION ALARM.

Country Status (19)

CountryLink
US (1)US3909813A (en)
JP (1)JPS4970691A (en)
AT (1)AT339777B (en)
AU (1)AU474603B2 (en)
BE (1)BE801719A (en)
BR (1)BR7305317D0 (en)
CA (1)CA1018680A (en)
CH (1)CH547532A (en)
DE (1)DE2328872C3 (en)
DK (1)DK138714B (en)
ES (1)ES415905A1 (en)
FI (1)FI59498C (en)
FR (1)FR2193224B1 (en)
GB (1)GB1412164A (en)
HK (1)HK57380A (en)
IT (1)IT988800B (en)
NO (1)NO136269C (en)
SE (1)SE392357B (en)
ZA (1)ZA734853B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US4757303A (en)*1986-06-031988-07-12Cerberus AgAlarm system

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JPS5617815Y2 (en)*1974-07-101981-04-24
JPS5150786A (en)*1974-10-291976-05-04Mitsubishi Electric Corp IONKASHIKIKE MURITANCHIKI
JPS52142999A (en)*1976-05-241977-11-29Nohmi Bosai Kogyo Co LtdFire alarm facility
DE2707409C2 (en)*1977-02-211985-02-21Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf Ionization fire detector
US4207558A (en)*1978-04-031980-06-10Pittway CorporationInterconnection circuit for a plurality of alarm units
USRE30620E (en)*1978-07-031981-05-19P. R. Mallory & Co. Inc.High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means
CH629905A5 (en)*1978-07-171982-05-14Cerberus Ag GAS AND / OR FIRE DETECTING SYSTEM.
JPS5555752U (en)*1978-10-121980-04-15
US4223303A (en)*1978-12-111980-09-16General Electric CompanyAlarm devices for interconnected multi-device systems
US4401978A (en)*1979-02-211983-08-30The Gamewell CorporationCombination detector
EP0039761A3 (en)*1980-05-091981-11-25Cerberus AgFire annunciating arrangement and method
JPH079680B2 (en)*1985-04-011995-02-01ホーチキ株式会社 Analog fire alarm
EP0338218B1 (en)*1988-03-301993-09-15Cerberus AgEarly fire detection method
JPH0259461U (en)*1988-10-211990-05-01
RU2182366C2 (en)*2000-03-292002-05-10Институт физико-технических проблемIonization fire alarm
US6753786B1 (en)2000-08-112004-06-22Walter Kidde Portable Equipment, Inc.Microprocessor-based combination smoke and carbon monoxide detector having intelligent hush feature
US7068177B2 (en)*2002-09-192006-06-27Honeywell International, Inc.Multi-sensor device and methods for fire detection
US20080030352A1 (en)*2006-02-272008-02-07Thorn Security LimitedMethods and systems for gas detection
EP3651136B1 (en)2013-10-072022-12-07Google LLCSmart-home hazard detector providing non-alarm status signals at opportune moments
US9685061B2 (en)2015-05-202017-06-20Google Inc.Event prioritization and user interfacing for hazard detection in multi-room smart-home environment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US3665441A (en)*1970-09-141972-05-23Gen Signal CorpMethod and apparatus for detecting aerosols

Cited By (1)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US4757303A (en)*1986-06-031988-07-12Cerberus AgAlarm system

Also Published As

Publication numberPublication date
ATA456073A (en)1977-02-15
SE392357B (en)1977-03-21
JPS4970691A (en)1974-07-09
NO136269B (en)1977-05-02
NO136269C (en)1977-08-17
GB1412164A (en)1975-10-29
DE2328872A1 (en)1974-01-31
IT988800B (en)1975-04-30
AU474603B2 (en)1976-07-29
ES415905A1 (en)1976-02-01
BR7305317D0 (en)1974-08-22
DK138714C (en)1979-03-19
AT339777B (en)1977-11-10
ZA734853B (en)1974-06-26
AU5798673A (en)1975-01-16
HK57380A (en)1980-10-16
FR2193224A1 (en)1974-02-15
DK138714B (en)1978-10-16
BE801719A (en)1973-10-15
FI59498C (en)1981-08-10
DE2328872B2 (en)1980-05-14
DE2328872C3 (en)1981-01-08
CA1018680A (en)1977-10-04
US3909813A (en)1975-09-30
FI59498B (en)1981-04-30
FR2193224B1 (en)1978-12-29

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Legal Events

DateCodeTitleDescription
PLPatent ceased
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