BE749803A - Circuit d'alarme - Google Patents

Circuit d'alarme

Info

Publication number
BE749803A
BE749803A BE749803DA BE749803A BE 749803 A BE749803 A BE 749803A BE 749803D A BE749803D A BE 749803DA BE 749803 A BE749803 A BE 749803A
Authority
BE
Belgium
Prior art keywords
alarm circuit
alarm
circuit
Prior art date
Application number
Other languages
English (en)
Inventor
Takeo Arima
Original Assignee
Tokyo Hochiki Kk
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 Tokyo Hochiki Kk filed Critical Tokyo Hochiki Kk
Publication of BE749803A publication Critical patent/BE749803A/fr

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING SYSTEMS, e.g. PERSONAL 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)
  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
BE749803D 1969-05-03 1970-04-30 Circuit d'alarme BE749803A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3401269 1969-05-03

Publications (1)

Publication Number Publication Date
BE749803A true BE749803A (fr) 1970-10-30

Family

ID=12402492

Family Applications (1)

Application Number Title Priority Date Filing Date
BE749803D BE749803A (fr) 1969-05-03 1970-04-30 Circuit d'alarme

Country Status (4)

Country Link
BE (1) BE749803A (fr)
CS (1) CS178855B2 (fr)
ES (1) ES379997A1 (fr)
NL (1) NL152456B (fr)

Also Published As

Publication number Publication date
NL7002991A (fr) 1970-11-05
ES379997A1 (es) 1972-10-16
NL152456B (nl) 1977-03-15
CS178855B2 (en) 1977-10-31

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