AU7537594A - Method and apparatus for preventing false responses in optical detection devices - Google Patents

Method and apparatus for preventing false responses in optical detection devices

Info

Publication number
AU7537594A
AU7537594A AU75375/94A AU7537594A AU7537594A AU 7537594 A AU7537594 A AU 7537594A AU 75375/94 A AU75375/94 A AU 75375/94A AU 7537594 A AU7537594 A AU 7537594A AU 7537594 A AU7537594 A AU 7537594A
Authority
AU
Australia
Prior art keywords
optical detection
detection devices
preventing false
false responses
responses
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.)
Abandoned
Application number
AU75375/94A
Inventor
William Joseph Senior Hirst
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of AU7537594A publication Critical patent/AU7537594A/en
Abandoned 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
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
AU75375/94A 1993-08-31 1994-08-30 Method and apparatus for preventing false responses in optical detection devices Abandoned AU7537594A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP93306865 1993-08-31
EP93306865 1993-08-31
PCT/EP1994/002888 WO1995006927A1 (en) 1993-08-31 1994-08-30 Method and apparatus for preventing false responses in optical detection devices

Publications (1)

Publication Number Publication Date
AU7537594A true AU7537594A (en) 1995-03-22

Family

ID=8214523

Family Applications (1)

Application Number Title Priority Date Filing Date
AU75375/94A Abandoned AU7537594A (en) 1993-08-31 1994-08-30 Method and apparatus for preventing false responses in optical detection devices

Country Status (8)

Country Link
EP (1) EP0715744B1 (en)
AU (1) AU7537594A (en)
CA (1) CA2170519A1 (en)
DE (1) DE69407190T2 (en)
DK (1) DK0715744T3 (en)
NO (1) NO960783L (en)
SG (1) SG97742A1 (en)
WO (1) WO1995006927A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2194101A (en) * 1999-12-10 2001-06-18 Durand Technology Limited Improvements in or relating to applications of fractal and/or chaotic techniques
DE102009048739B3 (en) * 2009-07-14 2012-03-29 Deutsches Zentrum für Luft- und Raumfahrt e.V. Automatic forest fire detection method involves triggering alarm, if fractal dimensions of grey values of current image and cluster surface of binarized image, and respective axis intercept lie within preset value

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4665390A (en) * 1985-08-22 1987-05-12 Hughes Aircraft Company Fire sensor statistical discriminator
US4866420A (en) * 1988-04-26 1989-09-12 Systron Donner Corp. Method of detecting a fire of open uncontrolled flames
US5051590A (en) * 1989-12-06 1991-09-24 Santa Barbara Research Center Fiber optic flame detection and temperature measurement system having one or more in-line temperature dependent optical filters
US5201321A (en) * 1991-02-11 1993-04-13 Fulton Keith W Method and apparatus for diagnosing vulnerability to lethal cardiac arrhythmias
US5185687A (en) * 1991-03-28 1993-02-09 Eaton Corporation Chaos sensing arc detection
JPH0535768A (en) * 1991-07-26 1993-02-12 Hitachi Ltd Information processor utilizing fractal dimension

Also Published As

Publication number Publication date
EP0715744B1 (en) 1997-12-03
EP0715744A1 (en) 1996-06-12
NO960783L (en) 1996-03-12
NO960783D0 (en) 1996-02-27
SG97742A1 (en) 2003-08-20
DK0715744T3 (en) 1998-08-10
WO1995006927A1 (en) 1995-03-09
DE69407190D1 (en) 1998-01-15
DE69407190T2 (en) 1998-05-20
CA2170519A1 (en) 1995-03-09

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