ES350324A1 - Perfeccionamientos en instalaciones de deteccion de incen- dios. - Google Patents

Perfeccionamientos en instalaciones de deteccion de incen- dios.

Info

Publication number
ES350324A1
ES350324A1 ES350324A ES350324A ES350324A1 ES 350324 A1 ES350324 A1 ES 350324A1 ES 350324 A ES350324 A ES 350324A ES 350324 A ES350324 A ES 350324A ES 350324 A1 ES350324 A1 ES 350324A1
Authority
ES
Spain
Prior art keywords
fire
ionization
transistor
detection system
current
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
ES350324A
Other languages
English (en)
Spanish (es)
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.)
VIGIFEU
Original Assignee
VIGIFEU
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 VIGIFEU filed Critical VIGIFEU
Publication of ES350324A1 publication Critical patent/ES350324A1/es
Expired legal-status Critical Current

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)
ES350324A 1967-02-09 1968-02-09 Perfeccionamientos en instalaciones de deteccion de incen- dios. Expired ES350324A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR94266A FR1540305A (fr) 1967-02-09 1967-02-09 Dispositif perfectionné de détection d'incendie

Publications (1)

Publication Number Publication Date
ES350324A1 true ES350324A1 (es) 1969-04-16

Family

ID=8625028

Family Applications (1)

Application Number Title Priority Date Filing Date
ES350324A Expired ES350324A1 (es) 1967-02-09 1968-02-09 Perfeccionamientos en instalaciones de deteccion de incen- dios.

Country Status (8)

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

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 (fr) * 1982-06-17 1983-12-23 Pgep Detecteur de niveau d'ionisation d'un milieu gazeux controle par arc electrique
CN107219548B (zh) * 2017-07-31 2023-10-27 四川省核地质调查研究所 一种便携式反康普顿探测仪

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL99411C (is) * 1957-01-25
CH355380A (de) * 1957-10-30 1961-06-30 Cerberus Gmbh Einrichtung zur Feststellung von Änderungen in der Zusammensetzung eines Gases
NL298945A (is) * 1962-10-12

Also Published As

Publication number Publication date
AT292510B (de) 1971-08-25
GB1144624A (en) 1969-03-05
BE710468A (is) 1968-06-17
US3582646A (en) 1971-06-01
NL161280B (nl) 1979-08-15
FR1540305A (fr) 1968-09-27
DE1616020A1 (de) 1971-03-04
DE1616020B2 (de) 1976-02-12
NL6801899A (is) 1968-08-12
NL161280C (nl) 1980-01-15

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19840214