SE348301B - - Google Patents

Info

Publication number
SE348301B
SE348301B SE02182/71A SE218271A SE348301B SE 348301 B SE348301 B SE 348301B SE 02182/71 A SE02182/71 A SE 02182/71A SE 218271 A SE218271 A SE 218271A SE 348301 B SE348301 B SE 348301B
Authority
SE
Sweden
Application number
SE02182/71A
Inventor
L Blackwell
Original Assignee
Statitrol Corp
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 Statitrol Corp filed Critical Statitrol Corp
Publication of SE348301B publication Critical patent/SE348301B/xx

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11Actuation 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00Details of radiation-measuring instruments
    • G01T7/12Provision for actuation of an alarm
    • G01T7/125Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors

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)
SE02182/71A 1970-02-19 1971-02-19 SE348301B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1272070A 1970-02-19 1970-02-19

Publications (1)

Publication Number Publication Date
SE348301B true SE348301B (xx) 1972-08-28

Family

ID=21756372

Family Applications (1)

Application Number Title Priority Date Filing Date
SE02182/71A SE348301B (xx) 1970-02-19 1971-02-19

Country Status (6)

Country Link
US (1) US3673586A (xx)
CA (1) CA943672A (xx)
DE (1) DE2107862C3 (xx)
FR (1) FR2078790A5 (xx)
GB (1) GB1335433A (xx)
SE (1) SE348301B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE792144A (fr) * 1972-01-07 1973-03-16 Rixson Firemark Ferme-porte repondant a certaines conditions
US3913082A (en) * 1973-02-02 1975-10-14 Jenson Robert S Ionization aerosol detector
DE2327497C3 (de) * 1973-05-30 1981-12-24 Benno 5430 Wettingen Aargau Perren Melder für Widerstandsänderungen mit nachgeschalteter Alarmeinrichtung
CH556072A (de) * 1973-11-26 1974-11-15 Cerberus Ag Ionisationsfeuermelder.
US3987319A (en) * 1974-12-05 1976-10-19 The United States Of America As Represented By The Secretary Of The Army Radiation-activated sensor
JPS5760147Y2 (xx) * 1977-07-04 1982-12-22
FR2528980A1 (fr) * 1982-06-17 1983-12-23 Pgep Detecteur de niveau d'ionisation d'un milieu gazeux controle par arc electrique

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL22673A (en) * 1964-12-27 1968-06-20 Jaffe A Sensitive smoke and fire detector

Also Published As

Publication number Publication date
DE2107862C3 (de) 1976-01-02
US3673586A (en) 1972-06-27
FR2078790A5 (xx) 1971-11-05
DE2107862B2 (de) 1975-05-15
DE2107862A1 (de) 1971-08-26
GB1335433A (en) 1973-10-31
CA943672A (en) 1974-03-12

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