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GB1044188A - Ionization fire alarm system - Google Patents

Ionization fire alarm system

Info

Publication number
GB1044188A
GB1044188A GB45174/63A GB4517463A GB1044188A GB 1044188 A GB1044188 A GB 1044188A GB 45174/63 A GB45174/63 A GB 45174/63A GB 4517463 A GB4517463 A GB 4517463A GB 1044188 A GB1044188 A GB 1044188A
Authority
GB
United Kingdom
Prior art keywords
alarm system
fire alarm
ionization fire
ionization
fire
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB45174/63A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cerberus AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4393180&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB1044188(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cerberus AG filed Critical Cerberus AG
Publication of GB1044188A publication Critical patent/GB1044188A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00—Details of radiation-measuring instruments
    • G01T7/12—Provision for actuation of an alarm
    • G01T7/125—Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors
    • 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

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Measurement Of Radiation (AREA)
GB45174/63A 1962-11-19 1963-11-15 Ionization fire alarm system Expired GB1044188A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1352662A CH416388A (en) 1962-11-19 1962-11-19 Ionization fire alarm

Publications (1)

Publication Number Publication Date
GB1044188A true GB1044188A (en) 1966-09-28

Family

ID=4393180

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45174/63A Expired GB1044188A (en) 1962-11-19 1963-11-15 Ionization fire alarm system

Country Status (3)

Country Link
US (1) US3353170A (en)
CH (1) CH416388A (en)
GB (1) GB1044188A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH475614A (en) * 1968-06-18 1969-07-15 Cerberus Ag Werke Fuer Elektro Ionization fire alarms
US3573777A (en) * 1968-12-09 1971-04-06 Honeywell Inc Combustion products detector control apparatus
US4035788A (en) * 1976-01-15 1977-07-12 Celesco Industries Inc. Incipient fire detector
US4808977A (en) * 1987-08-20 1989-02-28 Hedrick Terry J Electromechanical evacuation exit indicating flag
WO2008034080A2 (en) * 2006-09-15 2008-03-20 Nano-Proprietary, Inc. Smoke detector
WO2012091709A1 (en) 2010-12-30 2012-07-05 Utc Fire & Security Corporation Ionization device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2408051A (en) * 1942-04-04 1946-09-24 American District Telegraph Co Fire and smoke detector and the like
US2809317A (en) * 1949-02-21 1957-10-08 Electro Watt Electrical And In Device for intensifying an electric current
DE1287825B (en) * 1962-01-10

Also Published As

Publication number Publication date
US3353170A (en) 1967-11-14
CH416388A (en) 1966-06-30

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