CA2183868C - Siren detector - Google Patents

Siren detector Download PDF

Info

Publication number
CA2183868C
CA2183868C CA002183868A CA2183868A CA2183868C CA 2183868 C CA2183868 C CA 2183868C CA 002183868 A CA002183868 A CA 002183868A CA 2183868 A CA2183868 A CA 2183868A CA 2183868 C CA2183868 C CA 2183868C
Authority
CA
Canada
Prior art keywords
siren
detector
sound
frequency
signal
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
CA002183868A
Other languages
English (en)
French (fr)
Other versions
CA2183868A1 (en
Inventor
Peter R. H. Mcconnell
Patricia F. Kavanagh
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.)
TRAFFIC SYSTEMS LLC
Original Assignee
TRAFFIC SYSTEMS LLC
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 TRAFFIC SYSTEMS LLC filed Critical TRAFFIC SYSTEMS LLC
Publication of CA2183868A1 publication Critical patent/CA2183868A1/en
Application granted granted Critical
Publication of CA2183868C publication Critical patent/CA2183868C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals
    • G08G1/087—Override of traffic control, e.g. by signal transmitted by an emergency vehicle

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Traffic Control Systems (AREA)
CA002183868A 1994-03-04 1994-03-04 Siren detector Expired - Lifetime CA2183868C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CA1994/000119 WO1995024028A1 (en) 1994-03-04 1994-03-04 Siren detector

Publications (2)

Publication Number Publication Date
CA2183868A1 CA2183868A1 (en) 1995-09-08
CA2183868C true CA2183868C (en) 2002-01-15

Family

ID=4173012

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002183868A Expired - Lifetime CA2183868C (en) 1994-03-04 1994-03-04 Siren detector

Country Status (7)

Country Link
EP (1) EP0748494B1 (de)
JP (1) JPH09512902A (de)
CA (1) CA2183868C (de)
DE (1) DE69411195T2 (de)
HK (1) HK1009352A1 (de)
NZ (1) NZ262083A (de)
WO (1) WO1995024028A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6133849A (en) * 1996-02-20 2000-10-17 Unity Wireless Systems Corporation Control signal coding and detection in the audible and inaudible ranges
WO2009021902A1 (de) * 2007-08-16 2009-02-19 Siemens Aktiengesellschaft Verfahren und vorrichtung zur priorisierung von sonderfahrzeugen an einem lichtsignalgesteuerten knotenpunkt
CN102867424B (zh) * 2012-09-26 2014-07-30 杭州鼎鹏交通科技有限公司 一种区域协调交通控制方法
EP3753003A1 (de) * 2018-02-13 2020-12-23 Premel SA Elektronische vorrichtung zur ereignisdetektion für verkehrsregelung und entsprechendes verfahren

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2027243B (en) * 1978-07-27 1982-10-13 Marconi Co Ltd Priority vehicle control of traffic signalling system
US4864297A (en) * 1987-10-14 1989-09-05 Tekedge Development Corp. Siren detector
US4806931A (en) * 1988-01-25 1989-02-21 Richard W. Clark Sound pattern discrimination system
US4956866A (en) * 1989-06-30 1990-09-11 Sy/Lert System Ltd. Emergency signal warning system

Also Published As

Publication number Publication date
JPH09512902A (ja) 1997-12-22
AU681380B2 (en) 1997-08-28
WO1995024028A1 (en) 1995-09-08
DE69411195D1 (de) 1998-07-23
AU6152694A (en) 1995-09-18
NZ262083A (en) 1998-05-27
EP0748494B1 (de) 1998-06-17
CA2183868A1 (en) 1995-09-08
HK1009352A1 (en) 1999-05-28
DE69411195T2 (de) 1999-02-04
EP0748494A1 (de) 1996-12-18

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Effective date: 20140304