ATE313836T1 - FIRE ALARM AND METHOD FOR OPERATING A FIRE ALARM - Google Patents

FIRE ALARM AND METHOD FOR OPERATING A FIRE ALARM

Info

Publication number
ATE313836T1
ATE313836T1 AT02010414T AT02010414T ATE313836T1 AT E313836 T1 ATE313836 T1 AT E313836T1 AT 02010414 T AT02010414 T AT 02010414T AT 02010414 T AT02010414 T AT 02010414T AT E313836 T1 ATE313836 T1 AT E313836T1
Authority
AT
Austria
Prior art keywords
fire alarm
unit
operating
transmitter
signal processing
Prior art date
Application number
AT02010414T
Other languages
German (de)
Inventor
Valentin Brunner
Uwe Scheidthauer
Original Assignee
Hekatron Technik Gmbh
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 Hekatron Technik Gmbh filed Critical Hekatron Technik Gmbh
Application granted granted Critical
Publication of ATE313836T1 publication Critical patent/ATE313836T1/en

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
    • G08B17/107—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 for detecting light-scattering due to smoke
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/20—Calibration, including self-calibrating arrangements
    • G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The device has a measurement chamber, a transmitter and a signal processing unit with a receiver unit (1) for receiving radiation output by the transmitter and scattered by smoke or other aerosols and an alarm evaluation unit (3). The signal processing unit contains a control loop (5) with a regulating unit (4) and the control parameter for the control loop is superimposed on the output signal of the receiver unit. AN Independent claim is also included for the following: (a) a method of operating especially an inventive device.
AT02010414T 2002-05-08 2002-05-08 FIRE ALARM AND METHOD FOR OPERATING A FIRE ALARM ATE313836T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02010414A EP1369836B1 (en) 2002-05-08 2002-05-08 Smoke detector and method for its operation

Publications (1)

Publication Number Publication Date
ATE313836T1 true ATE313836T1 (en) 2006-01-15

Family

ID=29433073

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02010414T ATE313836T1 (en) 2002-05-08 2002-05-08 FIRE ALARM AND METHOD FOR OPERATING A FIRE ALARM

Country Status (5)

Country Link
EP (1) EP1369836B1 (en)
AT (1) ATE313836T1 (en)
DE (1) DE50205343D1 (en)
DK (1) DK1369836T3 (en)
ES (1) ES2254552T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3704679A1 (en) 2017-10-30 2020-09-09 Carrier Corporation Compensator in a detector device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225791A (en) * 1979-03-01 1980-09-30 Honeywell Inc. Optical smoke detector circuit
DE3127324A1 (en) * 1981-07-10 1983-01-27 Siemens AG, 1000 Berlin und 8000 München METHOD AND ARRANGEMENT FOR INCREASING THE SENSITIVITY AND EMERGENCY SAFETY IN A DANGER, IN PARTICULAR FIRE DETECTING SYSTEM
US5523743A (en) * 1995-04-13 1996-06-04 Digital Security Controls Ltd. Self-diagnostic smoke detector
ATE266235T1 (en) * 1999-11-05 2004-05-15 E I Technology Ltd SMOKE ALARM DEVICE

Also Published As

Publication number Publication date
ES2254552T3 (en) 2006-06-16
DE50205343D1 (en) 2006-01-26
EP1369836A1 (en) 2003-12-10
DK1369836T3 (en) 2006-05-01
EP1369836B1 (en) 2005-12-21

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