FI772470A - Optisk branddetektor - Google Patents

Optisk branddetektor

Info

Publication number
FI772470A
FI772470A FI772470A FI772470A FI772470A FI 772470 A FI772470 A FI 772470A FI 772470 A FI772470 A FI 772470A FI 772470 A FI772470 A FI 772470A FI 772470 A FI772470 A FI 772470A
Authority
FI
Finland
Prior art keywords
detector
optical brand
optical
brand detector
brand
Prior art date
Application number
FI772470A
Other languages
English (en)
Other versions
FI63125C (fi
FI63125B (fi
Inventor
Erik Gustaf Lindgren
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 FI772470A publication Critical patent/FI772470A/fi
Application granted granted Critical
Publication of FI63125B publication Critical patent/FI63125B/fi
Publication of FI63125C publication Critical patent/FI63125C/fi

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation 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)
FI772470A 1976-09-01 1977-08-18 Optisk branddetektor FI63125C (fi)

Applications Claiming Priority (2)

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

Publications (3)

Publication Number Publication Date
FI772470A true FI772470A (fi) 1978-03-02
FI63125B FI63125B (fi) 1982-12-31
FI63125C FI63125C (fi) 1983-04-11

Family

ID=20328778

Family Applications (1)

Application Number Title Priority Date Filing Date
FI772470A FI63125C (fi) 1976-09-01 1977-08-18 Optisk branddetektor

Country Status (13)

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

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
AU2838477A (en) 1979-03-08
IT1088004B (it) 1985-06-04
BE858192A (fr) 1977-12-16
NO773020L (no) 1978-03-02
DE2736224C2 (fi) 1991-02-21
SE395554B (sv) 1977-08-15
FR2363840B2 (fi) 1983-02-04
DK148226C (da) 1985-12-30
NL7709640A (nl) 1978-03-03
FR2363840A2 (fr) 1978-03-31
DK386877A (da) 1978-03-02
GB1566624A (en) 1980-05-08
AU510627B2 (en) 1980-07-03
CH621425A5 (en) 1981-01-30
NO140519C (no) 1979-09-12
NO140519B (no) 1979-06-05
FI63125C (fi) 1983-04-11
FI63125B (fi) 1982-12-31
DK148226B (da) 1985-05-06
CA1102429A (en) 1981-06-02
DE2736224A1 (de) 1978-03-09

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: GERBERUS AG