SE421154B - WITH IONIZATION WORKING ALARM DEVICE - Google Patents

WITH IONIZATION WORKING ALARM DEVICE

Info

Publication number
SE421154B
SE421154B SE7708637A SE7708637A SE421154B SE 421154 B SE421154 B SE 421154B SE 7708637 A SE7708637 A SE 7708637A SE 7708637 A SE7708637 A SE 7708637A SE 421154 B SE421154 B SE 421154B
Authority
SE
Sweden
Prior art keywords
alarm device
working alarm
ionization working
ionization
working
Prior art date
Application number
SE7708637A
Other languages
Swedish (sv)
Other versions
SE7708637L (en
Inventor
Hartwig Beyersdorf
Original Assignee
Hartwig Beyersdorf
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 DE19762636778 external-priority patent/DE2636778C3/en
Priority claimed from DE19762643470 external-priority patent/DE2643470C3/en
Application filed by Hartwig Beyersdorf filed Critical Hartwig Beyersdorf
Publication of SE7708637L publication Critical patent/SE7708637L/en
Publication of SE421154B publication Critical patent/SE421154B/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)
  • Fire Alarms (AREA)
SE7708637A 1976-08-16 1977-07-27 WITH IONIZATION WORKING ALARM DEVICE SE421154B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19762636778 DE2636778C3 (en) 1976-08-16 1976-08-16 Ionization fire detectors
DE19762643470 DE2643470C3 (en) 1976-09-27 1976-09-27 Ionization fire detectors

Publications (2)

Publication Number Publication Date
SE7708637L SE7708637L (en) 1978-02-17
SE421154B true SE421154B (en) 1981-11-30

Family

ID=25770817

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7708637A SE421154B (en) 1976-08-16 1977-07-27 WITH IONIZATION WORKING ALARM DEVICE

Country Status (4)

Country Link
CH (1) CH617280A5 (en)
FR (1) FR2362454A1 (en)
GB (1) GB1581246A (en)
SE (1) SE421154B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3904979A1 (en) * 1989-02-18 1990-08-23 Beyersdorf Hartwig METHOD FOR OPERATING AN IONIZATION SMOKE DETECTOR AND IONIZATION SMOKE DETECTOR
EP0423489A1 (en) * 1989-09-15 1991-04-24 Cerberus Ag Smoke detection arrangement with monitoring

Also Published As

Publication number Publication date
GB1581246A (en) 1980-12-10
FR2362454A1 (en) 1978-03-17
CH617280A5 (en) 1980-05-14
FR2362454B3 (en) 1981-01-09
SE7708637L (en) 1978-02-17

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