ATA20652003A - PROCESS AND DEVICE FOR FIRE DETECTION - Google Patents

PROCESS AND DEVICE FOR FIRE DETECTION

Info

Publication number
ATA20652003A
ATA20652003A AT0206503A AT20652003A ATA20652003A AT A20652003 A ATA20652003 A AT A20652003A AT 0206503 A AT0206503 A AT 0206503A AT 20652003 A AT20652003 A AT 20652003A AT A20652003 A ATA20652003 A AT A20652003A
Authority
AT
Austria
Prior art keywords
pixels
fire detection
background picture
fire
brightness
Prior art date
Application number
AT0206503A
Other languages
German (de)
Other versions
AT414055B (en
Original Assignee
Wagner Sicherheitssysteme 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 Wagner Sicherheitssysteme Gmbh filed Critical Wagner Sicherheitssysteme Gmbh
Priority to AT0206503A priority Critical patent/AT414055B/en
Priority to EP04450236A priority patent/EP1548677B1/en
Priority to AT04450236T priority patent/ATE391976T1/en
Priority to DE502004006764T priority patent/DE502004006764D1/en
Publication of ATA20652003A publication Critical patent/ATA20652003A/en
Application granted granted Critical
Publication of AT414055B publication Critical patent/AT414055B/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
    • G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)

Abstract

A camera takes a background picture representing a situation with no fire and stores it. Further processing excludes those pixels, among which the pixels for the background picture exceed a predefined brightness value. By relying on areas (L) of brightness, the number of pixels (n1-n4) are determined so as to form a luminescence histogram from a current picture. An independent claim is also included for a device for identifying magnesium fires.
AT0206503A 2003-12-22 2003-12-22 PROCESS AND DEVICE FOR FIRE DETECTION AT414055B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT0206503A AT414055B (en) 2003-12-22 2003-12-22 PROCESS AND DEVICE FOR FIRE DETECTION
EP04450236A EP1548677B1 (en) 2003-12-22 2004-12-22 Fire detection method and fire detection apparatus
AT04450236T ATE391976T1 (en) 2003-12-22 2004-12-22 METHOD AND DEVICE FOR FIRE DETECTION
DE502004006764T DE502004006764D1 (en) 2003-12-22 2004-12-22 Method and device for fire detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0206503A AT414055B (en) 2003-12-22 2003-12-22 PROCESS AND DEVICE FOR FIRE DETECTION

Publications (2)

Publication Number Publication Date
ATA20652003A true ATA20652003A (en) 2005-11-15
AT414055B AT414055B (en) 2006-08-15

Family

ID=34528589

Family Applications (2)

Application Number Title Priority Date Filing Date
AT0206503A AT414055B (en) 2003-12-22 2003-12-22 PROCESS AND DEVICE FOR FIRE DETECTION
AT04450236T ATE391976T1 (en) 2003-12-22 2004-12-22 METHOD AND DEVICE FOR FIRE DETECTION

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT04450236T ATE391976T1 (en) 2003-12-22 2004-12-22 METHOD AND DEVICE FOR FIRE DETECTION

Country Status (3)

Country Link
EP (1) EP1548677B1 (en)
AT (2) AT414055B (en)
DE (1) DE502004006764D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108457699B (en) * 2018-03-15 2023-04-18 中国矿业大学(北京) Tunneling working face flood alarm system based on infrared images
CN108252741B (en) * 2018-03-15 2023-04-18 中国矿业大学(北京) Coal face flood alarm system based on infrared image
CN108194145B (en) * 2018-03-15 2023-04-18 中国矿业大学(北京) Mine flood alarm system based on infrared image

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03182185A (en) * 1989-12-11 1991-08-08 Fujitsu Ltd Infrared monitoring system
US5937077A (en) * 1996-04-25 1999-08-10 General Monitors, Incorporated Imaging flame detection system
US6529132B2 (en) * 1998-02-27 2003-03-04 Societe Industrielle D'avation Latecoere Device for monitoring an enclosure, in particular the hold of an aircraft
DE19840873A1 (en) * 1998-09-01 2000-03-09 Deutsch Zentr Luft & Raumfahrt Method and device for automatic forest fire detection
ATE340395T1 (en) * 2000-02-07 2006-10-15 Vsd Ltd SMOKE AND FLAME DETECTION
US6184792B1 (en) * 2000-04-19 2001-02-06 George Privalov Early fire detection method and apparatus
HK1054457B (en) * 2000-12-28 2005-09-30 Siemens Schweiz Ag Video smoke detection system
EP1239433A1 (en) * 2001-03-09 2002-09-11 VIDAIR Aktiengesellschaft Method and apparatus for the detection of smoke and / or fire in spaces

Also Published As

Publication number Publication date
EP1548677A1 (en) 2005-06-29
AT414055B (en) 2006-08-15
ATE391976T1 (en) 2008-04-15
DE502004006764D1 (en) 2008-05-21
EP1548677B1 (en) 2008-04-09

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Legal Events

Date Code Title Description
EFA Change in the company name
ELJ Ceased due to non-payment of the annual fee