DK135648C - - Google Patents

Info

Publication number
DK135648C
DK135648C DK424375A DK424375A DK135648C DK 135648 C DK135648 C DK 135648C DK 424375 A DK424375 A DK 424375A DK 424375 A DK424375 A DK 424375A DK 135648 C DK135648 C DK 135648C
Authority
DK
Denmark
Application number
DK424375A
Other languages
Danish (da)
Other versions
DK135648B (en
DK424375A (en
Inventor
K Matoba
F 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 DK424375A publication Critical patent/DK424375A/da
Publication of DK135648B publication Critical patent/DK135648B/en
Application granted granted Critical
Publication of DK135648C publication Critical patent/DK135648C/da

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)
DK424375AA 1974-09-23 1975-09-22 Ionization fire detector. DK135648B (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
DK424375A DK424375A (en) 1976-03-24
DK135648B DK135648B (en) 1977-05-31
DK135648C true DK135648C (en) 1977-11-07

Family

ID=4386908

Family Applications (1)

Application Number Title Priority Date Filing Date
DK424375AA DK135648B (en) 1974-09-23 1975-09-22 Ionization fire detector.

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
NO140081C (en) 1979-07-04
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
SE405520B (en) 1978-12-11
DK424375A (en) 1976-03-24
GB1512545A (en) 1978-06-01

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Legal Events

Date Code Title Description
PBP Patent lapsed