BE710468A - - Google Patents

Info

Publication number
BE710468A
BE710468A BE710468DA BE710468A BE 710468 A BE710468 A BE 710468A BE 710468D A BE710468D A BE 710468DA BE 710468 A BE710468 A BE 710468A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE710468A publication Critical patent/BE710468A/xx

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
BE710468D 1967-02-09 1968-02-07 BE710468A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR94266A FR1540305A (en) 1967-02-09 1967-02-09 Advanced fire detection device

Publications (1)

Publication Number Publication Date
BE710468A true BE710468A (en) 1968-06-17

Family

ID=8625028

Family Applications (1)

Application Number Title Priority Date Filing Date
BE710468D BE710468A (en) 1967-02-09 1968-02-07

Country Status (8)

Country Link
US (1) US3582646A (en)
AT (1) AT292510B (en)
BE (1) BE710468A (en)
DE (1) DE1616020B2 (en)
ES (1) ES350324A1 (en)
FR (1) FR1540305A (en)
GB (1) GB1144624A (en)
NL (1) NL161280C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3935492A (en) * 1970-11-13 1976-01-27 Nittan Company, Ltd. Ionization smoke detector
US3832552A (en) * 1973-06-22 1974-08-27 Honeywell Inc Dual chamber ionization smoke detector
FR2528980A1 (en) * 1982-06-17 1983-12-23 Pgep IONIZATION LEVEL DETECTOR OF A GAS MEDIUM CONTROLLED BY ELECTRIC ARC
CN107219548B (en) * 2017-07-31 2023-10-27 四川省核地质调查研究所 Portable anti-Compton detector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL99411C (en) * 1957-01-25
CH355380A (en) * 1957-10-30 1961-06-30 Cerberus Gmbh Device for determining changes in the composition of a gas
NL298945A (en) * 1962-10-12

Also Published As

Publication number Publication date
GB1144624A (en) 1969-03-05
NL161280B (en) 1979-08-15
DE1616020B2 (en) 1976-02-12
US3582646A (en) 1971-06-01
AT292510B (en) 1971-08-25
NL6801899A (en) 1968-08-12
FR1540305A (en) 1968-09-27
ES350324A1 (en) 1969-04-16
NL161280C (en) 1980-01-15
DE1616020A1 (en) 1971-03-04

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: VIGIFEU

Effective date: 19870228