DE50105124D1 - Linearer Rauchmelder - Google Patents

Linearer Rauchmelder

Info

Publication number
DE50105124D1
DE50105124D1 DE50105124T DE50105124T DE50105124D1 DE 50105124 D1 DE50105124 D1 DE 50105124D1 DE 50105124 T DE50105124 T DE 50105124T DE 50105124 T DE50105124 T DE 50105124T DE 50105124 D1 DE50105124 D1 DE 50105124D1
Authority
DE
Germany
Prior art keywords
receiver
polarization plane
light
light beam
transmitter
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE50105124T
Other languages
English (en)
Inventor
Dr Thuillard
Dr Nebiker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens Building Technologies 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 Siemens Building Technologies AG filed Critical Siemens Building Technologies AG
Application granted granted Critical
Publication of DE50105124D1 publication Critical patent/DE50105124D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE50105124T 2001-06-09 2001-06-09 Linearer Rauchmelder Expired - Lifetime DE50105124D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01114103A EP1265205B1 (de) 2001-06-09 2001-06-09 Linearer Rauchmelder

Publications (1)

Publication Number Publication Date
DE50105124D1 true DE50105124D1 (de) 2005-02-24

Family

ID=8177687

Family Applications (1)

Application Number Title Priority Date Filing Date
DE50105124T Expired - Lifetime DE50105124D1 (de) 2001-06-09 2001-06-09 Linearer Rauchmelder

Country Status (3)

Country Link
EP (1) EP1265205B1 (de)
AT (1) ATE287568T1 (de)
DE (1) DE50105124D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50301082D1 (de) * 2003-01-29 2005-10-06 Siemens Building Tech Ag Verfahren und Werkzeug zur Installation eines linearen Rauchmelders
GB2588129B (en) * 2019-10-08 2021-12-29 Ffe Ltd Improvements in or relating to beam detectors

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2824583C3 (de) * 1978-06-05 1985-10-03 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Reflexionslichtschranke zum Erkennen auch stark reflektierender Gegenstände innerhalb einer von einem Strahlenbündel durchsetzten Überwachungsstrecke
US5502434A (en) * 1992-05-29 1996-03-26 Hockiki Kabushiki Kaisha Smoke sensor
DE29707066U1 (de) * 1997-04-21 1997-08-14 IMOS Gubela GmbH, 77871 Renchen Mikroretroflektor

Also Published As

Publication number Publication date
EP1265205A1 (de) 2002-12-11
ATE287568T1 (de) 2005-02-15
EP1265205B1 (de) 2005-01-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SIEMENS AKTIENGESELLSCHAFT, 80333 MUENCHEN, DE