CH551057A - IONIZATION ALARM. - Google Patents

IONIZATION ALARM.

Info

Publication number
CH551057A
CH551057A CH551973A CH551973A CH551057A CH 551057 A CH551057 A CH 551057A CH 551973 A CH551973 A CH 551973A CH 551973 A CH551973 A CH 551973A CH 551057 A CH551057 A CH 551057A
Authority
CH
Switzerland
Prior art keywords
ionization
alarm
ionization alarm
Prior art date
Application number
CH551973A
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 Ag filed Critical Cerberus Ag
Priority to CH551973A priority Critical patent/CH551057A/en
Priority to IL44507A priority patent/IL44507A/en
Priority to BE142655A priority patent/BE813068A/en
Priority to DE2415479A priority patent/DE2415479C3/en
Priority to YU891/74A priority patent/YU35685B/en
Priority to FR7411564A priority patent/FR2226714B1/fr
Priority to ZA00742077A priority patent/ZA742077B/en
Priority to JP49037056A priority patent/JPS49131798A/ja
Priority to ES424918A priority patent/ES424918A1/en
Priority to AU67532/74A priority patent/AU484255B2/en
Priority to US457841A priority patent/US3908957A/en
Priority to NLAANVRAGE7404783,A priority patent/NL177633C/en
Priority to IT7421073A priority patent/IT1006402B/en
Priority to SE7404871A priority patent/SE396491B/en
Priority to CA197,527A priority patent/CA998783A/en
Priority to FI1124/74A priority patent/FI61768C/en
Priority to CS742663A priority patent/CS216229B2/en
Priority to DD177896A priority patent/DD111483A5/xx
Priority to NO741357A priority patent/NO139581C/en
Priority to BR3018/74A priority patent/BR7403018D0/en
Priority to PL1974170389A priority patent/PL90429B1/pl
Priority to DK208174A priority patent/DK150415C/en
Priority to HU74CE995A priority patent/HU175210B/en
Priority to GB1684874A priority patent/GB1430891A/en
Publication of CH551057A publication Critical patent/CH551057A/en

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
    • G08B17/113—Constructional details

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CH551973A 1973-04-17 1973-04-17 IONIZATION ALARM. CH551057A (en)

Priority Applications (24)

Application Number Priority Date Filing Date Title
CH551973A CH551057A (en) 1973-04-17 1973-04-17 IONIZATION ALARM.
IL44507A IL44507A (en) 1973-04-17 1974-03-27 Ionization-type fire sensor
BE142655A BE813068A (en) 1973-04-17 1974-03-29 IONIZATION FIRE ALARM
DE2415479A DE2415479C3 (en) 1973-04-17 1974-03-29 Ionization fire detector
YU891/74A YU35685B (en) 1973-04-17 1974-03-29 Ionization fire-alarm warning device
FR7411564A FR2226714B1 (en) 1973-04-17 1974-04-01
ZA00742077A ZA742077B (en) 1973-04-17 1974-04-02 Ionization-type fire sensor
JP49037056A JPS49131798A (en) 1973-04-17 1974-04-03
ES424918A ES424918A1 (en) 1973-04-17 1974-04-03 Ionization-type fire sensor
AU67532/74A AU484255B2 (en) 1973-04-17 1974-04-04 Improvements in ionization fire sensors
US457841A US3908957A (en) 1973-04-17 1974-04-04 Ionization-type fire sensor
NLAANVRAGE7404783,A NL177633C (en) 1973-04-17 1974-04-08 IONIZATION FIRE ALARM.
IT7421073A IT1006402B (en) 1973-04-17 1974-04-09 IONIZATION FIRE WARNING
SE7404871A SE396491B (en) 1973-04-17 1974-04-10 BRONALER DEVICE OF IONIZATION TYPE
CA197,527A CA998783A (en) 1973-04-17 1974-04-11 Ionization-type fire sensor
FI1124/74A FI61768C (en) 1973-04-17 1974-04-11 JONISATIONSBRANDALARMANORDNING
CS742663A CS216229B2 (en) 1973-04-17 1974-04-12 Ionization fire detector
DD177896A DD111483A5 (en) 1973-04-17 1974-04-15
NO741357A NO139581C (en) 1973-04-17 1974-04-16 IONISATION SMOKE DETECTOR.
BR3018/74A BR7403018D0 (en) 1973-04-17 1974-04-16 IMPROVED IONIZATION FIRE WARNING
PL1974170389A PL90429B1 (en) 1973-04-17 1974-04-16
DK208174A DK150415C (en) 1973-04-17 1974-04-16 IONIZATION FIRE REPORT
HU74CE995A HU175210B (en) 1973-04-17 1974-04-17 Ionization fire-alarm
GB1684874A GB1430891A (en) 1973-04-17 1974-04-17 Ionization fire sensors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH551973A CH551057A (en) 1973-04-17 1973-04-17 IONIZATION ALARM.

Publications (1)

Publication Number Publication Date
CH551057A true CH551057A (en) 1974-06-28

Family

ID=4294978

Family Applications (1)

Application Number Title Priority Date Filing Date
CH551973A CH551057A (en) 1973-04-17 1973-04-17 IONIZATION ALARM.

Country Status (23)

Country Link
US (1) US3908957A (en)
JP (1) JPS49131798A (en)
BE (1) BE813068A (en)
BR (1) BR7403018D0 (en)
CA (1) CA998783A (en)
CH (1) CH551057A (en)
CS (1) CS216229B2 (en)
DD (1) DD111483A5 (en)
DE (1) DE2415479C3 (en)
DK (1) DK150415C (en)
ES (1) ES424918A1 (en)
FI (1) FI61768C (en)
FR (1) FR2226714B1 (en)
GB (1) GB1430891A (en)
HU (1) HU175210B (en)
IL (1) IL44507A (en)
IT (1) IT1006402B (en)
NL (1) NL177633C (en)
NO (1) NO139581C (en)
PL (1) PL90429B1 (en)
SE (1) SE396491B (en)
YU (1) YU35685B (en)
ZA (1) ZA742077B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0040342A1 (en) * 1980-05-09 1981-11-25 Cerberus Ag Smoke detector

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2652970C3 (en) * 1976-11-22 1979-09-06 Hartwig Ing.(Grad.) 2409 Scharbeutz Beyersdorf Ionization fire detectors
US4150373A (en) * 1977-01-27 1979-04-17 Ried Jr Louis Ionization particle detector
JPS6234399Y2 (en) * 1980-03-31 1987-09-02
US4439683A (en) * 1981-02-11 1984-03-27 General Signal Corporation Ionization smoke detector
US4488044A (en) * 1981-11-20 1984-12-11 Pittway Corporation Ionization chamber for smoke detector and the like
FR2523309A1 (en) * 1982-03-09 1983-09-16 Hugon Emile NEW CAPACITIVE SMOKE DETECTOR WITH INTERCHANGEABLE MODULES
US4529976A (en) * 1982-10-29 1985-07-16 Frederick M. Jameson Smoke detector with masking shield
JPH044316Y2 (en) * 1985-09-30 1992-02-07
FR2594953B1 (en) * 1986-02-25 1989-05-05 Lewiner Jacques SMOKE DETECTOR WITH IONIZATION CHAMBER
JPS63239592A (en) * 1987-03-27 1988-10-05 ホーチキ株式会社 photoelectric smoke detector
DE58905587D1 (en) * 1988-03-30 1993-10-21 Cerberus Ag Early fire detection procedures.
US5327119A (en) * 1989-12-22 1994-07-05 Hochiki Kabushiki Kaisha Ionizing smoke sensor
CH681932A5 (en) * 1990-12-04 1993-06-15 Cerberus Ag
AU667102B2 (en) * 1992-05-14 1996-03-07 Vision Systems Limited Gas sampling point for smoke/pollution detection systems
JPH07506671A (en) * 1992-05-14 1995-07-20 ビジョン　システムズ　インコーポレイティド Gas sampling tip for smoke/pollution detection systems
US5856784A (en) * 1997-04-23 1999-01-05 Pittway Corporation Low profile ionization chamber
US6057774A (en) * 1999-01-21 2000-05-02 Brk Brands, Inc. Smoke alarm with anti-dust screen
GB0213854D0 (en) * 2002-06-15 2002-07-24 Aea Technology Plc Radioactive sources
US9013316B2 (en) * 2011-07-28 2015-04-21 Finsecur Smoke detector
GB201219488D0 (en) 2012-10-30 2012-12-12 Univ Sussex Apparatus for sensing ionic current and ionising radiation
ES3035017A1 (en) * 2024-02-23 2025-08-27 Detnov Security S L PARTICLE SEPARATING DEVICE FOR FIRE DETECTORS (Machine-translation by Google Translate, not legally binding)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319069A (en) * 1964-08-27 1967-05-09 American District Telegraph Co Smoke detecting radiation sensitive fire alarm system
CH475614A (en) * 1968-06-18 1969-07-15 Cerberus Ag Werke Fuer Elektro Ionization fire alarms
GB1277091A (en) * 1968-07-11 1972-06-07 Nittan Co Ltd Ionization type smoke detectors
CH486082A (en) * 1969-05-19 1970-02-15 Cerberus Ag Ionization fire alarms
CH491449A (en) * 1969-05-19 1970-05-31 Cerberus Ag Smoke detector arrangement with at least one smoke measuring chamber
CH508251A (en) * 1970-07-23 1971-05-31 Cerberus Ag Ionization fire alarms
US3728706A (en) * 1970-09-28 1973-04-17 Gen Signal Corp System for indicating aerosols in the atmosphere
BE793205A (en) * 1971-12-30 1973-04-16 Preussag Ag Feuerschutz IONIZATION FIRE ALARM

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0040342A1 (en) * 1980-05-09 1981-11-25 Cerberus Ag Smoke detector
US4384488A (en) 1980-05-09 1983-05-24 Cerberus Ag Smoke detector
US4475390A (en) * 1980-05-09 1984-10-09 Cerberus Ag Smoke detector

Also Published As

Publication number Publication date
IT1006402B (en) 1976-09-30
CS216229B2 (en) 1982-10-29
NO139581B (en) 1978-12-27
US3908957A (en) 1975-09-30
FI61768C (en) 1982-09-10
GB1430891A (en) 1976-04-07
CA998783A (en) 1976-10-19
DE2415479A1 (en) 1974-11-14
BR7403018D0 (en) 1974-11-19
YU89174A (en) 1980-09-25
AU6753274A (en) 1975-10-09
DD111483A5 (en) 1975-02-12
DE2415479C3 (en) 1987-12-03
FR2226714A1 (en) 1974-11-15
YU35685B (en) 1981-04-30
BE813068A (en) 1974-07-15
ZA742077B (en) 1975-04-30
HU175210B (en) 1980-06-28
NO741357L (en) 1974-10-18
SE396491B (en) 1977-09-19
FI61768B (en) 1982-05-31
DE2415479B2 (en) 1980-09-04
FR2226714B1 (en) 1979-03-16
DK150415C (en) 1987-07-13
ES424918A1 (en) 1976-05-16
NL7404783A (en) 1974-10-21
IL44507A0 (en) 1974-06-30
NL177633C (en) 1985-10-16
IL44507A (en) 1977-07-31
PL90429B1 (en) 1977-01-31
NL177633B (en) 1985-05-17
NO139581C (en) 1979-04-04
DK150415B (en) 1987-02-23
JPS49131798A (en) 1974-12-17

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Legal Events

Date Code Title Description
PL Patent ceased