BE844121A - SMOKE DETECTOR OPERATING BY IONIZATION AND INCLUDING A VERIFICATION DEVICE THAT SIMULATES THE PRESENCE OF SMOKE - Google Patents

SMOKE DETECTOR OPERATING BY IONIZATION AND INCLUDING A VERIFICATION DEVICE THAT SIMULATES THE PRESENCE OF SMOKE

Info

Publication number
BE844121A
BE844121A BE168908A BE168908A BE844121A BE 844121 A BE844121 A BE 844121A BE 168908 A BE168908 A BE 168908A BE 168908 A BE168908 A BE 168908A BE 844121 A BE844121 A BE 844121A
Authority
BE
Belgium
Prior art keywords
smoke
simulates
ionization
verification device
detector operating
Prior art date
Application number
BE168908A
Other languages
French (fr)
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 filed Critical
Publication of BE844121A publication Critical patent/BE844121A/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
    • 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

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
BE168908A 1975-11-10 1976-07-14 SMOKE DETECTOR OPERATING BY IONIZATION AND INCLUDING A VERIFICATION DEVICE THAT SIMULATES THE PRESENCE OF SMOKE BE844121A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63020475A 1975-11-10 1975-11-10

Publications (1)

Publication Number Publication Date
BE844121A true BE844121A (en) 1976-11-03

Family

ID=24526225

Family Applications (1)

Application Number Title Priority Date Filing Date
BE168908A BE844121A (en) 1975-11-10 1976-07-14 SMOKE DETECTOR OPERATING BY IONIZATION AND INCLUDING A VERIFICATION DEVICE THAT SIMULATES THE PRESENCE OF SMOKE

Country Status (6)

Country Link
JP (1) JPS5258989A (en)
BE (1) BE844121A (en)
DE (1) DE2630501A1 (en)
GB (1) GB1551978A (en)
HK (1) HK21780A (en)
IE (1) IE42886B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111028464A (en) * 2020-01-08 2020-04-17 福建工程学院 Hierarchical smoke alarm method and hierarchical intelligent control smoke alarm device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111028464A (en) * 2020-01-08 2020-04-17 福建工程学院 Hierarchical smoke alarm method and hierarchical intelligent control smoke alarm device

Also Published As

Publication number Publication date
DE2630501A1 (en) 1977-05-12
JPS5258989A (en) 1977-05-14
HK21780A (en) 1980-05-02
GB1551978A (en) 1979-09-05
IE42886L (en) 1977-05-10
IE42886B1 (en) 1980-11-05

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