IT1044991B - FIRE-REPORTING IONIZATION DEVICE - Google Patents

FIRE-REPORTING IONIZATION DEVICE

Info

Publication number
IT1044991B
IT1044991B IT6832972A IT6832972A IT1044991B IT 1044991 B IT1044991 B IT 1044991B IT 6832972 A IT6832972 A IT 6832972A IT 6832972 A IT6832972 A IT 6832972A IT 1044991 B IT1044991 B IT 1044991B
Authority
IT
Italy
Prior art keywords
reporting
fire
ionization device
ionization
reporting ionization
Prior art date
Application number
IT6832972A
Other languages
Italian (it)
Original Assignee
Preussag Ag Feuerschutz
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 Preussag Ag Feuerschutz filed Critical Preussag Ag Feuerschutz
Application granted granted Critical
Publication of IT1044991B publication Critical patent/IT1044991B/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)
IT6832972A 1971-04-30 1972-04-28 FIRE-REPORTING IONIZATION DEVICE IT1044991B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1044991B true IT1044991B (en) 1980-04-21

Family

ID=5806502

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6832972A IT1044991B (en) 1971-04-30 1972-04-28 FIRE-REPORTING IONIZATION DEVICE

Country Status (2)

Country Link
DE (1) DE2121382A1 (en)
IT (1) IT1044991B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2454196C3 (en) * 1974-06-14 1985-02-07 Cerberus AG, Männedorf, Zürich Fire alarm system
CA1067597A (en) * 1975-06-23 1979-12-04 William J. Malinowski Smoke detector
DE2546970C3 (en) * 1975-10-20 1981-09-10 Preussag Ag Feuerschutz, 2060 Bad Oldesloe Ionization smoke detector
US4013913A (en) * 1976-01-19 1977-03-22 Hnu Systems Inc. Ion detection electrode arrangement
US5189399A (en) * 1989-02-18 1993-02-23 Hartwig Beyersdorf Method of operating an ionization smoke alarm and ionization smoke alarm
DE3904979A1 (en) * 1989-02-18 1990-08-23 Beyersdorf Hartwig METHOD FOR OPERATING AN IONIZATION SMOKE DETECTOR AND IONIZATION SMOKE DETECTOR

Also Published As

Publication number Publication date
DE2121382A1 (en) 1972-12-21

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