SE8101921L - Optisk branddetektor - Google Patents

Optisk branddetektor

Info

Publication number
SE8101921L
SE8101921L SE8101921A SE8101921A SE8101921L SE 8101921 L SE8101921 L SE 8101921L SE 8101921 A SE8101921 A SE 8101921A SE 8101921 A SE8101921 A SE 8101921A SE 8101921 L SE8101921 L SE 8101921L
Authority
SE
Sweden
Prior art keywords
detector
room
fire detector
received
air
Prior art date
Application number
SE8101921A
Other languages
Unknown language ( )
English (en)
Other versions
SE432029B (sv
Inventor
E 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
Priority to SE8101921A priority Critical patent/SE432029B/sv
Priority to CH692882A priority patent/CH657929A5/de
Priority to GB08230821A priority patent/GB2111278B/en
Priority to DE19823239723 priority patent/DE3239723A1/de
Priority to PCT/SE1982/000089 priority patent/WO1982003487A1/en
Publication of SE8101921L publication Critical patent/SE8101921L/sv
Priority to NO823640A priority patent/NO155469C/no
Publication of SE432029B publication Critical patent/SE432029B/sv

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
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device

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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
SE8101921A 1981-03-25 1981-03-25 Optisk branddetektor SE432029B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE8101921A SE432029B (sv) 1981-03-25 1981-03-25 Optisk branddetektor
CH692882A CH657929A5 (de) 1981-03-25 1982-03-25 Optischer feuerdetektor.
GB08230821A GB2111278B (en) 1981-03-25 1982-03-25 Optical fire detector
DE19823239723 DE3239723A1 (de) 1981-03-25 1982-03-25 Optischer branddetektor
PCT/SE1982/000089 WO1982003487A1 (en) 1981-03-25 1982-03-25 Optical fire detector
NO823640A NO155469C (no) 1981-03-25 1982-11-02 Optisk branndetektor.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8101921A SE432029B (sv) 1981-03-25 1981-03-25 Optisk branddetektor

Publications (2)

Publication Number Publication Date
SE8101921L true SE8101921L (sv) 1982-09-26
SE432029B SE432029B (sv) 1984-03-12

Family

ID=20343435

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8101921A SE432029B (sv) 1981-03-25 1981-03-25 Optisk branddetektor

Country Status (4)

Country Link
CH (1) CH657929A5 (sv)
GB (1) GB2111278B (sv)
SE (1) SE432029B (sv)
WO (1) WO1982003487A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2935549B2 (ja) * 1990-08-23 1999-08-16 能美防災株式会社 火災検出方法及び装置
DE10228013B4 (de) * 2002-06-22 2005-11-03 Hans-Erich Sen. Gubela Teiltransmissionsreflektor, Verwendung des Teiltransmissionsreflektors und optisches Sensorsystem
EP2093731A1 (de) * 2008-02-19 2009-08-26 Siemens Aktiengesellschaft Linearer optischer Rauchmelder mit mehreren Teilstrahlen
FR3027438B1 (fr) * 2014-10-16 2016-11-04 Soc D'etude Et De Fabrication Ind Detecteur lineaire de fumee encastre.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047470B (de) * 1956-07-28 1958-12-24 Zeiss Ikon Ag Mehrbrennweitige Linse, vorzugsweise Feldlinse
DE2303040C3 (de) * 1973-01-23 1978-03-30 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optisches Meßgerät, insbesondere zur Rauchdichte- oder Sichtweitemessung

Also Published As

Publication number Publication date
WO1982003487A1 (en) 1982-10-14
SE432029B (sv) 1984-03-12
GB2111278A (en) 1983-06-29
GB2111278B (en) 1985-05-22
CH657929A5 (de) 1986-09-30

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