CH497755A - Ionisationsfeuermelder - Google Patents

Ionisationsfeuermelder

Info

Publication number
CH497755A
CH497755A CH966269A CH966269A CH497755A CH 497755 A CH497755 A CH 497755A CH 966269 A CH966269 A CH 966269A CH 966269 A CH966269 A CH 966269A CH 497755 A CH497755 A CH 497755A
Authority
CH
Switzerland
Prior art keywords
ionisationsfeuermelder
Prior art date
Application number
CH966269A
Other languages
English (en)
Inventor
Andreas Dr Scheidweiler
Meier Otto Dipl-El-Ing
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
Priority to CH966269A priority Critical patent/CH497755A/de
Publication of CH497755A publication Critical patent/CH497755A/de

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11Actuation by presence of smoke or gases automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
CH966269A 1969-06-24 1969-06-24 Ionisationsfeuermelder CH497755A (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH966269A CH497755A (de) 1969-06-24 1969-06-24 Ionisationsfeuermelder

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
CH966269A CH497755A (de) 1969-06-24 1969-06-24 Ionisationsfeuermelder
US44091A US3676680A (en) 1969-06-24 1970-06-08 Ionization fire alarm with insulation monitoring system
NL7008421A NL168976C (nl) 1969-06-24 1970-06-10 Ionisatiebrandmelder.
BE752058D BE752058A (nl) 1969-06-24 1970-06-16 Ionisatiebrandmelder met isolatiebewaking
DE19702029794 DE2029794C3 (de) 1969-06-24 1970-06-16
ZA704145A ZA7004145B (en) 1969-06-24 1970-06-17 Ionization fire alarm with insulation monitoring
FR7022334A FR2060523A5 (de) 1969-06-24 1970-06-17
YU157570A YU33338B (en) 1969-06-24 1970-06-22 Jonizacioni pozarni alarmni uredaj sa kontrolom izolacije
SE866070A SE354139B (de) 1969-06-24 1970-06-23
NO243270A NO125704B (de) 1969-06-24 1970-06-23
GB3065370A GB1291755A (en) 1969-06-24 1970-06-24 Ionization fire alarm with insulation monitoring
HK10478A HK10478A (en) 1969-06-24 1978-02-23 Ionization fire alarm with insulation monitoring

Publications (1)

Publication Number Publication Date
CH497755A true CH497755A (de) 1970-10-15

Family

ID=4354339

Family Applications (1)

Application Number Title Priority Date Filing Date
CH966269A CH497755A (de) 1969-06-24 1969-06-24 Ionisationsfeuermelder

Country Status (12)

Country Link
US (1) US3676680A (de)
BE (1) BE752058A (de)
CH (1) CH497755A (de)
DE (1) DE2029794C3 (de)
FR (1) FR2060523A5 (de)
GB (1) GB1291755A (de)
HK (1) HK10478A (de)
NL (1) NL168976C (de)
NO (1) NO125704B (de)
SE (1) SE354139B (de)
YU (1) YU33338B (de)
ZA (1) ZA7004145B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2090086A1 (de) * 1970-05-16 1972-01-14 Preussag Ag Feuerschutz

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA933679A (en) * 1970-08-10 1973-09-11 Nittan Company Fire alarming system
US3964036A (en) * 1972-11-15 1976-06-15 Hochiki Corporation Ionization smoke detector co-used to issue fire alarm and detect ambient atmosphere
US3866195A (en) * 1973-05-07 1975-02-11 Fire Alert Company Combustion product detector and method of calibrating
US3906474A (en) * 1973-05-07 1975-09-16 Fire Alert Company Combustion products alarm
US4023152A (en) * 1973-10-01 1977-05-10 Matsushita Electric Works, Ltd. Ionization type smoke sensing device
US3944859A (en) * 1974-09-03 1976-03-16 Rca Corporation Bridge-balance detection circuit
USRE30117E (en) * 1975-07-25 1979-10-16 Cerberus Ag Ionization-type fire or smoke sensing system
US4038649A (en) * 1975-09-16 1977-07-26 Emhart Industries, Inc. Smoke detection alarm device
DE2713280C3 (de) * 1977-03-25 1986-10-23 Esser Sicherheitstechnik Gmbh & Co Kg, 4040 Neuss, De
JPS583195Y2 (de) * 1977-10-20 1983-01-20
DE3004753C2 (de) * 1980-02-08 1983-12-22 Hartwig Dipl.-Ing. 2409 Scharbeutz De Beyersdorf
NL180784C (en) * 1983-10-14 1987-04-16 Nederlanden Staat Gas sensitive sensor.
US5189399A (en) * 1989-02-18 1993-02-23 Hartwig Beyersdorf Method of operating an ionization smoke alarm and ionization smoke alarm
DE3904979C2 (de) * 1989-02-18 1992-01-09 Hartwig Dipl.-Ing. 2400 Luebeck De Beyersdorf
DE4028167C2 (de) * 1990-09-05 1992-09-10 Esser Sicherheitstechnik Gmbh, 4040 Neuss, De
US9437100B2 (en) * 2013-11-02 2016-09-06 Jeffrey D. Zwirn Supervising alarm notification devices

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2646556A (en) * 1950-06-17 1953-07-21 C O Two Fire Equipment Co Supervised alarm system
JPS446089Y1 (de) * 1966-03-30 1969-03-05
US3514603A (en) * 1966-12-22 1970-05-26 Johnson Service Co Ionization chamber detection apparatus having a low voltage source means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2090086A1 (de) * 1970-05-16 1972-01-14 Preussag Ag Feuerschutz

Also Published As

Publication number Publication date
DE2029794C3 (de) 1979-10-11
NL7008421A (de) 1970-12-29
HK10478A (en) 1978-03-03
YU33338B (en) 1976-10-31
NL168976C (nl) 1982-05-17
US3676680A (en) 1972-07-11
YU157570A (en) 1976-04-30
ZA7004145B (en) 1971-03-31
NO125704B (de) 1972-10-16
BE752058A2 (de)
DE2029794B2 (de) 1973-04-26
DE2029794A1 (de) 1971-01-07
GB1291755A (en) 1972-10-04
FR2060523A5 (de) 1971-06-18
SE354139B (de) 1973-02-26
BE752058A (nl) 1970-12-01

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Legal Events

Date Code Title Description
PL Patent ceased