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HK23583A - Improvements in or relating to trafic signal systems - Google Patents

Improvements in or relating to trafic signal systems

Info

Publication number
HK23583A
HK23583A HK23583A HK23583A HK23583A HK 23583 A HK23583 A HK 23583A HK 23583 A HK23583 A HK 23583A HK 23583 A HK23583 A HK 23583A HK 23583 A HK23583 A HK 23583A
Authority
HK
Hong Kong
Prior art keywords
relating
signal systems
trafic
trafic signal
systems
Prior art date
Application number
HK23583A
Inventor
Robert George Eley
Original Assignee
Marconi Co Ltd
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Publication of HK23583A publication Critical patent/HK23583A/en

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)
  • Traffic Control Systems (AREA)
HK23583A 1978-07-27 1983-07-14 Improvements in or relating to trafic signal systems HK23583A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7831325A GB2027243B (en) 1978-07-27 1978-07-27 Priority vehicle control of traffic signalling system

Publications (1)

Publication Number Publication Date
HK23583A true HK23583A (en) 1983-07-22

Family

ID=10498702

Family Applications (1)

Application Number Title Priority Date Filing Date
HK23583A HK23583A (en) 1978-07-27 1983-07-14 Improvements in or relating to trafic signal systems

Country Status (2)

Country Link
GB (1) GB2027243B (en)
HK (1) HK23583A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4864297A (en) * 1987-10-14 1989-09-05 Tekedge Development Corp. Siren detector
CA2183868C (en) * 1994-03-04 2002-01-15 Peter R. H. Mcconnell Siren detector
GB2344916A (en) * 1998-12-16 2000-06-21 Shakeel Ahmed Pervez Emergency vehicle priority warning system

Also Published As

Publication number Publication date
GB2027243A (en) 1980-02-13
GB2027243B (en) 1982-10-13

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