CH547532A - Ionisationsfeuermelder. - Google Patents

Ionisationsfeuermelder.

Info

Publication number
CH547532A
CH547532A CH1065572A CH547532DA CH547532A CH 547532 A CH547532 A CH 547532A CH 1065572 A CH1065572 A CH 1065572A CH 547532D A CH547532D A CH 547532DA CH 547532 A CH547532 A CH 547532A
Authority
CH
Switzerland
Prior art keywords
ionization
alarm
ionization alarm
Prior art date
Application number
CH1065572A
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
Publication of CH547532A publication Critical patent/CH547532A/xx

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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Printing Plates And Materials Therefor (AREA)
CH1065572A 1972-07-17 1972-07-17 Ionisationsfeuermelder. CH547532A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1065572 1972-07-17

Publications (1)

Publication Number Publication Date
CH547532A true CH547532A (de) 1974-03-29

Family

ID=4365446

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1065572A CH547532A (de) 1972-07-17 1972-07-17 Ionisationsfeuermelder.

Country Status (19)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4757303A (en) * 1986-06-03 1988-07-12 Cerberus Ag Alarm system

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5617815Y2 (it) * 1974-07-10 1981-04-24
JPS5150786A (ja) * 1974-10-29 1976-05-04 Mitsubishi Electric Corp Ionkashikikemuritanchiki
JPS52142999A (en) * 1976-05-24 1977-11-29 Nohmi Bosai Kogyo Co Ltd Fire alarm facility
DE2707409C2 (de) * 1977-02-21 1985-02-21 Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf Ionisationsbrandmelder
US4207558A (en) * 1978-04-03 1980-06-10 Pittway Corporation Interconnection circuit for a plurality of alarm units
USRE30620E (en) * 1978-07-03 1981-05-19 P. R. Mallory & Co. Inc. High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means
CH629905A5 (de) * 1978-07-17 1982-05-14 Cerberus Ag Gas- und/oder brandmeldeanlage.
JPS5555752U (it) * 1978-10-12 1980-04-15
US4223303A (en) * 1978-12-11 1980-09-16 General Electric Company Alarm devices for interconnected multi-device systems
US4401978A (en) * 1979-02-21 1983-08-30 The Gamewell Corporation Combination detector
EP0039761A3 (de) * 1980-05-09 1981-11-25 Cerberus Ag Verfahren zur Brandmeldung und Brandmeldeanlage
JPH079680B2 (ja) * 1985-04-01 1995-02-01 ホーチキ株式会社 アナログ火災報知装置
EP0338218B1 (de) * 1988-03-30 1993-09-15 Cerberus Ag Verfahren zur Brandfrüherkennung
JPH0259461U (it) * 1988-10-21 1990-05-01
US6753786B1 (en) 2000-08-11 2004-06-22 Walter Kidde Portable Equipment, Inc. Microprocessor-based combination smoke and carbon monoxide detector having intelligent hush feature
US7068177B2 (en) * 2002-09-19 2006-06-27 Honeywell International, Inc. Multi-sensor device and methods for fire detection
US20080030352A1 (en) * 2006-02-27 2008-02-07 Thorn Security Limited Methods and systems for gas detection
CN105981082B (zh) 2013-10-07 2018-08-31 谷歌有限责任公司 提供针对检测事件的有用的跟踪通信的智能住家危险检测器
US9685061B2 (en) 2015-05-20 2017-06-20 Google 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 number Priority date Publication date Assignee Title
US3665441A (en) * 1970-09-14 1972-05-23 Gen Signal Corp Method and apparatus for detecting aerosols

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4757303A (en) * 1986-06-03 1988-07-12 Cerberus Ag Alarm system

Also Published As

Publication number Publication date
ZA734853B (en) 1974-06-26
AU474603B2 (en) 1976-07-29
ES415905A1 (es) 1976-02-01
FI59498B (fi) 1981-04-30
US3909813A (en) 1975-09-30
GB1412164A (en) 1975-10-29
ATA456073A (de) 1977-02-15
DE2328872A1 (de) 1974-01-31
BR7305317D0 (pt) 1974-08-22
AU5798673A (en) 1975-01-16
BE801719A (fr) 1973-10-15
DK138714B (da) 1978-10-16
NO136269C (no) 1977-08-17
FI59498C (fi) 1981-08-10
NO136269B (it) 1977-05-02
DE2328872B2 (de) 1980-05-14
FR2193224A1 (it) 1974-02-15
DK138714C (it) 1979-03-19
JPS4970691A (it) 1974-07-09
HK57380A (en) 1980-10-16
CA1018680A (en) 1977-10-04
FR2193224B1 (it) 1978-12-29
SE392357B (sv) 1977-03-21
IT988800B (it) 1975-04-30
DE2328872C3 (de) 1981-01-08
AT339777B (de) 1977-11-10

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Legal Events

Date Code Title Description
PL Patent ceased