SE432029B - Optisk branddetektor - Google Patents

Optisk branddetektor

Info

Publication number
SE432029B
SE432029B SE8101921A SE8101921A SE432029B SE 432029 B SE432029 B SE 432029B SE 8101921 A SE8101921 A SE 8101921A SE 8101921 A SE8101921 A SE 8101921A SE 432029 B SE432029 B SE 432029B
Authority
SE
Sweden
Prior art keywords
detector
radiation
fire detector
focal point
room
Prior art date
Application number
SE8101921A
Other languages
English (en)
Swedish (sv)
Other versions
SE8101921L (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 DE19823239723 priority patent/DE3239723A1/de
Priority to PCT/SE1982/000089 priority patent/WO1982003487A1/en
Priority to CH692882A priority patent/CH657929A5/de
Priority to GB08230821A priority patent/GB2111278B/en
Publication of SE8101921L publication Critical patent/SE8101921L/
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
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
CH692882A CH657929A5 (de) 1981-03-25 1982-03-25 Optischer feuerdetektor.
GB08230821A GB2111278B (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 SE8101921L (sv) 1982-09-26
SE432029B true 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 ( )
GB (1) GB2111278B ( )
SE (1) SE432029B ( )
WO (1) WO1982003487A1 ( )

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
GB2111278A (en) 1983-06-29
WO1982003487A1 (en) 1982-10-14
GB2111278B (en) 1985-05-22
CH657929A5 (de) 1986-09-30
SE8101921L (sv) 1982-09-26

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