CA2257000C - Systeme de regulation de la circulation, a del - Google Patents

Systeme de regulation de la circulation, a del Download PDF

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Publication number
CA2257000C
CA2257000C CA002257000A CA2257000A CA2257000C CA 2257000 C CA2257000 C CA 2257000C CA 002257000 A CA002257000 A CA 002257000A CA 2257000 A CA2257000 A CA 2257000A CA 2257000 C CA2257000 C CA 2257000C
Authority
CA
Canada
Prior art keywords
light
traffic
frequency
light rays
traffic light
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 - Fee Related
Application number
CA002257000A
Other languages
English (en)
Other versions
CA2257000A1 (fr
Inventor
Peter A. Hochstein
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US08/386,816 external-priority patent/US5633629A/en
Application filed by Individual filed Critical Individual
Publication of CA2257000A1 publication Critical patent/CA2257000A1/fr
Application granted granted Critical
Publication of CA2257000C publication Critical patent/CA2257000C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Traffic Control Systems (AREA)
  • Road Signs Or Road Markings (AREA)
CA002257000A 1995-02-08 1996-02-07 Systeme de regulation de la circulation, a del Expired - Fee Related CA2257000C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/386,816 US5633629A (en) 1995-02-08 1995-02-08 Traffic information system using light emitting diodes
US08/386,816 1995-02-08
CA002169037A CA2169037C (fr) 1995-02-08 1996-02-07 Systeme de regulation de la circulation, a del

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002169037A Division CA2169037C (fr) 1995-02-08 1996-02-07 Systeme de regulation de la circulation, a del

Publications (2)

Publication Number Publication Date
CA2257000A1 CA2257000A1 (fr) 1996-08-09
CA2257000C true CA2257000C (fr) 2002-06-11

Family

ID=25678332

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002254271A Abandoned CA2254271A1 (fr) 1995-02-08 1996-02-07 Systeme de regulation de la circulation, a del
CA002257000A Expired - Fee Related CA2257000C (fr) 1995-02-08 1996-02-07 Systeme de regulation de la circulation, a del

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002254271A Abandoned CA2254271A1 (fr) 1995-02-08 1996-02-07 Systeme de regulation de la circulation, a del

Country Status (1)

Country Link
CA (2) CA2254271A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2399206A (en) * 2003-03-05 2004-09-08 Qinetiq Ltd Signalling system with visible and non visible signals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2399206A (en) * 2003-03-05 2004-09-08 Qinetiq Ltd Signalling system with visible and non visible signals

Also Published As

Publication number Publication date
CA2254271A1 (fr) 1996-08-09
CA2257000A1 (fr) 1996-08-09

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