NL7709640A - Optische branddetector. - Google Patents

Optische branddetector.

Info

Publication number
NL7709640A
NL7709640A NL7709640A NL7709640A NL7709640A NL 7709640 A NL7709640 A NL 7709640A NL 7709640 A NL7709640 A NL 7709640A NL 7709640 A NL7709640 A NL 7709640A NL 7709640 A NL7709640 A NL 7709640A
Authority
NL
Netherlands
Prior art keywords
fire detector
optical fire
optical
detector
fire
Prior art date
Application number
NL7709640A
Other languages
English (en)
Dutch (nl)
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NL7709640A publication Critical patent/NL7709640A/xx

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

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
NL7709640A 1976-09-01 1977-09-01 Optische branddetector. NL7709640A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7609670-0A SE395554B (sv) 1976-09-01 1976-09-01 Optisk branddetektor

Publications (1)

Publication Number Publication Date
NL7709640A true NL7709640A (nl) 1978-03-03

Family

ID=20328778

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7709640A NL7709640A (nl) 1976-09-01 1977-09-01 Optische branddetector.

Country Status (13)

Country Link
AU (1) AU510627B2 (enrdf_load_stackoverflow)
BE (1) BE858192A (enrdf_load_stackoverflow)
CA (1) CA1102429A (enrdf_load_stackoverflow)
CH (1) CH621425A5 (enrdf_load_stackoverflow)
DE (1) DE2736224A1 (enrdf_load_stackoverflow)
DK (1) DK148226C (enrdf_load_stackoverflow)
FI (1) FI63125C (enrdf_load_stackoverflow)
FR (1) FR2363840A2 (enrdf_load_stackoverflow)
GB (1) GB1566624A (enrdf_load_stackoverflow)
IT (1) IT1088004B (enrdf_load_stackoverflow)
NL (1) NL7709640A (enrdf_load_stackoverflow)
NO (1) NO140519C (enrdf_load_stackoverflow)
SE (1) SE395554B (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2051640B2 (de) * 1970-10-21 1972-05-31 Preußag AG, Feuerschutz, 2060 Bad Oldesloe Verfahren zur flammenmeldung und flammenmelder zur durchfuehrung des verfahrens
GB1405615A (en) * 1972-08-11 1975-09-10 Chubb Fire Security Ltd Fire alarms
SE7604502L (sv) * 1976-04-15 1977-10-16 Ericsson Telefon Ab L M Optisk branddetektor

Also Published As

Publication number Publication date
FI772470A7 (fi) 1978-03-02
FI63125B (fi) 1982-12-31
CA1102429A (en) 1981-06-02
AU2838477A (en) 1979-03-08
CH621425A5 (en) 1981-01-30
DK148226B (da) 1985-05-06
DE2736224A1 (de) 1978-03-09
FI63125C (fi) 1983-04-11
SE395554B (sv) 1977-08-15
NO140519C (no) 1979-09-12
DE2736224C2 (enrdf_load_stackoverflow) 1991-02-21
AU510627B2 (en) 1980-07-03
NO140519B (no) 1979-06-05
DK148226C (da) 1985-12-30
NO773020L (no) 1978-03-02
GB1566624A (en) 1980-05-08
FR2363840B2 (enrdf_load_stackoverflow) 1983-02-04
DK386877A (da) 1978-03-02
BE858192A (fr) 1977-12-16
FR2363840A2 (fr) 1978-03-31
IT1088004B (it) 1985-06-04

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Legal Events

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BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
CNR Transfer of rights (patent application after its laying open for public inspection)

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BV The patent application has lapsed