BE747708A - Avertisseur d'incendie automatique comportant au moins une chambre de mesure - Google Patents

Avertisseur d'incendie automatique comportant au moins une chambre de mesure

Info

Publication number
BE747708A
BE747708A BE747708DA BE747708A BE 747708 A BE747708 A BE 747708A BE 747708D A BE747708D A BE 747708DA BE 747708 A BE747708 A BE 747708A
Authority
BE
Belgium
Prior art keywords
fire alarm
measuring chamber
automatic fire
alarm containing
automatic
Prior art date
Application number
Other languages
English (en)
Original Assignee
Cerberus Ag
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 Cerberus Ag filed Critical Cerberus Ag
Publication of BE747708A publication Critical patent/BE747708A/fr

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S422/00—Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
    • Y10S422/903—Radioactive material apparatus

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
BE747708D 1969-03-28 1970-03-20 Avertisseur d'incendie automatique comportant au moins une chambre de mesure BE747708A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH474769A CH483682A (de) 1969-03-28 1969-03-28 Automatischer Feuermelder mit mindestens einer Messkammer

Publications (1)

Publication Number Publication Date
BE747708A true BE747708A (fr) 1970-08-31

Family

ID=4281814

Family Applications (1)

Application Number Title Priority Date Filing Date
BE747708D BE747708A (fr) 1969-03-28 1970-03-20 Avertisseur d'incendie automatique comportant au moins une chambre de mesure

Country Status (6)

Country Link
US (1) US3725011A (fr)
BE (1) BE747708A (fr)
CH (1) CH483682A (fr)
DE (1) DE2011340C3 (fr)
FR (1) FR2039878A5 (fr)
GB (1) GB1243769A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832552A (en) * 1973-06-22 1974-08-27 Honeywell Inc Dual chamber ionization smoke detector
US3849685A (en) * 1973-06-22 1974-11-19 Honeywell Inc Ionization chamber with recessed radioactive body
DE2434178C2 (de) * 1974-07-16 1983-12-08 Matsushita Electric Works, Ltd., Kadoma, Osaka Rauchmeldegerät nach dem Lichtstreuprinzip
JPS5178390A (ja) * 1974-12-28 1976-07-07 Nittan Co Ltd Kemurikanchiki
JPS5552558Y2 (fr) * 1975-02-10 1980-12-05

Also Published As

Publication number Publication date
DE2011340A1 (de) 1970-10-08
FR2039878A5 (fr) 1971-01-15
DE2011340B2 (de) 1974-07-11
US3725011A (en) 1973-04-03
CH483682A (de) 1969-12-31
GB1243769A (en) 1971-08-25
DE2011340C3 (de) 1978-04-20

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