AR199378A1 - ALARM APPARATUS BASED ON IONIZATION FOR FIRE - Google Patents

ALARM APPARATUS BASED ON IONIZATION FOR FIRE

Info

Publication number
AR199378A1
AR199378A1 AR235587A AR23558771A AR199378A1 AR 199378 A1 AR199378 A1 AR 199378A1 AR 235587 A AR235587 A AR 235587A AR 23558771 A AR23558771 A AR 23558771A AR 199378 A1 AR199378 A1 AR 199378A1
Authority
AR
Argentina
Prior art keywords
ionization
fire
apparatus based
alarm apparatus
alarm
Prior art date
Application number
AR235587A
Other languages
Spanish (es)
Original Assignee
Preussag 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
Priority claimed from DE19712121382 external-priority patent/DE2121382A1/en
Application filed by Preussag Ag filed Critical Preussag Ag
Application granted granted Critical
Publication of AR199378A1 publication Critical patent/AR199378A1/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

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)
AR235587A 1970-05-16 1971-05-17 ALARM APPARATUS BASED ON IONIZATION FOR FIRE AR199378A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2024116 1970-05-16
DE19712121382 DE2121382A1 (en) 1971-04-30 1971-04-30 Iomsations fire alarm

Publications (1)

Publication Number Publication Date
AR199378A1 true AR199378A1 (en) 1974-08-30

Family

ID=25759156

Family Applications (1)

Application Number Title Priority Date Filing Date
AR235587A AR199378A1 (en) 1970-05-16 1971-05-17 ALARM APPARATUS BASED ON IONIZATION FOR FIRE

Country Status (9)

Country Link
US (1) US3795904A (en)
AR (1) AR199378A1 (en)
BE (1) BE767246A (en)
CA (1) CA948332A (en)
CH (1) CH539310A (en)
ES (1) ES197895Y (en)
FR (1) FR2090086B1 (en)
GB (1) GB1329475A (en)
NO (1) NO129270B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906474A (en) * 1973-05-07 1975-09-16 Fire Alert Company Combustion products alarm
FR2402256A1 (en) * 1977-08-29 1979-03-30 Debard Robert Fire detector and alarm system - has two radioactive ionisation chambers connected to resistances to form wheatstone bridge
US4208655A (en) * 1978-02-21 1980-06-17 Westinghouse Electric Corp. Protective system for electrical apparatus
USRE30620E (en) * 1978-07-03 1981-05-19 P. R. Mallory & Co. Inc. High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means
ZA786519B (en) * 1978-11-20 1980-02-27 Anglo Amer Corp South Africa Detector
US4383253A (en) * 1979-01-29 1983-05-10 International Quartz Ltd. Ionization smoke detector
US4270123A (en) * 1979-02-26 1981-05-26 Universal Det, S.A.R.L. Detector for indicating a fire or detector malfunction
DE3004753C2 (en) * 1980-02-08 1983-12-22 Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf Fire alarm device
US5189399A (en) * 1989-02-18 1993-02-23 Hartwig Beyersdorf Method of operating an ionization smoke alarm and ionization smoke alarm

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2950387A (en) * 1957-08-16 1960-08-23 Bell & Howell Co Gas analysis
NL224264A (en) * 1957-10-24
FR1494089A (en) * 1965-03-11 1967-09-08 Pour Applic Electroniques Ets Circuit for detecting and measuring signals, in particular signals derived from the ionization of a medium, particularly a gaseous medium
LU48167A1 (en) * 1965-03-11 1966-09-12 Applic Electroniques Ets
CH446131A (en) * 1966-02-22 1967-10-31 Cerberus Ag Ionization fire alarm system
CH497755A (en) * 1969-06-24 1970-10-15 Cerberus Ag Ionization fire alarms

Also Published As

Publication number Publication date
FR2090086A1 (en) 1972-01-14
FR2090086B1 (en) 1975-01-17
US3795904A (en) 1974-03-05
CH539310A (en) 1973-07-15
BE767246A (en) 1971-11-17
CA948332A (en) 1974-05-28
NO129270B (en) 1974-03-18
ES197895U (en) 1975-05-01
GB1329475A (en) 1973-09-12
ES197895Y (en) 1975-10-01

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