CS178855B2 - Alarm system network - Google Patents

Alarm system network

Info

Publication number
CS178855B2
CS178855B2 CS304770A CS304770A CS178855B2 CS 178855 B2 CS178855 B2 CS 178855B2 CS 304770 A CS304770 A CS 304770A CS 304770 A CS304770 A CS 304770A CS 178855 B2 CS178855 B2 CS 178855B2
Authority
CS
Czechoslovakia
Prior art keywords
alarm system
system network
network
alarm
Prior art date
Application number
CS304770A
Other languages
English (en)
Inventor
Takeo Arima
Original Assignee
Takeo Arima
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 Takeo Arima filed Critical Takeo Arima
Publication of CS178855B2 publication Critical patent/CS178855B2/cs

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)
CS304770A 1969-05-03 1970-04-30 Alarm system network CS178855B2 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CS178855B2 true CS178855B2 (en) 1977-10-31

Family

ID=12402492

Family Applications (1)

Application Number Title Priority Date Filing Date
CS304770A CS178855B2 (en) 1969-05-03 1970-04-30 Alarm system network

Country Status (4)

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

Also Published As

Publication number Publication date
ES379997A1 (es) 1972-10-16
NL152456B (nl) 1977-03-15
BE749803A (fr) 1970-10-30
NL7002991A (cs) 1970-11-05

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