NL152456B - DETECTOR. - Google Patents

DETECTOR.

Info

Publication number
NL152456B
NL152456B NL7002991A NL7002991A NL152456B NL 152456 B NL152456 B NL 152456B NL 7002991 A NL7002991 A NL 7002991A NL 7002991 A NL7002991 A NL 7002991A NL 152456 B NL152456 B NL 152456B
Authority
NL
Netherlands
Prior art keywords
detector
Prior art date
Application number
NL7002991A
Other languages
Dutch (nl)
Other versions
NL7002991A (en
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 NL7002991A publication Critical patent/NL7002991A/xx
Publication of NL152456B publication Critical patent/NL152456B/en

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
NL7002991A 1969-05-03 1970-03-03 DETECTOR. NL152456B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NL7002991A NL7002991A (en) 1970-11-05
NL152456B true NL152456B (en) 1977-03-15

Family

ID=12402492

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7002991A NL152456B (en) 1969-05-03 1970-03-03 DETECTOR.

Country Status (4)

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

Also Published As

Publication number Publication date
NL7002991A (en) 1970-11-05
CS178855B2 (en) 1977-10-31
ES379997A1 (en) 1972-10-16
BE749803A (en) 1970-10-30

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: HOCHIKI