NO140081C - IONIZATION FIRE ALARMS. - Google Patents

IONIZATION FIRE ALARMS.

Info

Publication number
NO140081C
NO140081C NO753217A NO753217A NO140081C NO 140081 C NO140081 C NO 140081C NO 753217 A NO753217 A NO 753217A NO 753217 A NO753217 A NO 753217A NO 140081 C NO140081 C NO 140081C
Authority
NO
Norway
Prior art keywords
fire alarms
ionization fire
ionization
alarms
fire
Prior art date
Application number
NO753217A
Other languages
Norwegian (no)
Other versions
NO140081B (en
NO753217L (en
Inventor
Kiyoshi Matoba
Fumio Iwami
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 NO753217L publication Critical patent/NO753217L/no
Publication of NO140081B publication Critical patent/NO140081B/en
Publication of NO140081C publication Critical patent/NO140081C/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)
NO753217A 1974-09-23 1975-09-22 IONIZATION FIRE ALARMS. NO140081C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1284374A CH569335A5 (en) 1974-09-23 1974-09-23

Publications (3)

Publication Number Publication Date
NO753217L NO753217L (en) 1976-03-24
NO140081B NO140081B (en) 1979-03-19
NO140081C true NO140081C (en) 1979-07-04

Family

ID=4386908

Family Applications (1)

Application Number Title Priority Date Filing Date
NO753217A NO140081C (en) 1974-09-23 1975-09-22 IONIZATION FIRE ALARMS.

Country Status (7)

Country Link
CH (1) CH569335A5 (en)
DE (1) DE2541290A1 (en)
DK (1) DK135648B (en)
FR (1) FR2285666A1 (en)
GB (1) GB1512545A (en)
NO (1) NO140081C (en)
SE (1) SE405520B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2713280C3 (en) * 1977-03-25 1986-10-23 Esser Sicherheitstechnik GmbH & Co KG, 4040 Neuss Function-testable fire alarm system
DE102014019172B4 (en) 2014-12-17 2023-12-07 Elmos Semiconductor Se Device and method for distinguishing between solid objects, cooking fumes and smoke using a compensating optical measuring system
DE102014019773B4 (en) 2014-12-17 2023-12-07 Elmos Semiconductor Se Device and method for distinguishing between solid objects, cooking fumes and smoke using the display of a mobile telephone

Also Published As

Publication number Publication date
NO140081B (en) 1979-03-19
FR2285666A1 (en) 1976-04-16
DK135648B (en) 1977-05-31
FR2285666B1 (en) 1982-04-23
SE7510476L (en) 1976-03-24
DE2541290A1 (en) 1976-04-08
CH569335A5 (en) 1975-11-14
NO753217L (en) 1976-03-24
DK135648C (en) 1977-11-07
SE405520B (en) 1978-12-11
DK424375A (en) 1976-03-24
GB1512545A (en) 1978-06-01

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