GB1305019A - - Google Patents

Info

Publication number
GB1305019A
GB1305019A GB1305019DA GB1305019A GB 1305019 A GB1305019 A GB 1305019A GB 1305019D A GB1305019D A GB 1305019DA GB 1305019 A GB1305019 A GB 1305019A
Authority
GB
United Kingdom
Prior art keywords
road
vehicle
lamps
amber
main road
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
Application number
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 filed Critical
Publication of GB1305019A publication Critical patent/GB1305019A/en
Expired 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
    • G08G1/075—Ramp control

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Traffic Control Systems (AREA)

Abstract

1305019 Road signals for controlling traffic EMI Ltd 5 May 1970 [23 May 1969] 26331/69 Heading G4Q In the traffic control system disclosed in Specification 1,251,188 for facilitating merging of vehicles in a side road on to a main road in which groups of lamps on the main road are sequentially changed from green to amber in response to actuation of respective detectors in the side road whereby the driver of a vehicle on the main road is warned in advance of the merging point that a vehicle is proceeding along the side road towards that point, the detectors and lamps are so spaced that initially the sequential changing of the lamps to amber gives the impression of a fast moving vehicle on the side road and subsequently gives the impression that the vehicle in the side road is decelerating. Thus, a vehicle on the main road, which is driven to follow the moving wave of amber lamps will not need to suddenly decelerate at the merge point to permit the side road vehicle to join the main road. Prior to the merge point the amber lights are replaced by red lights to give additional warning to the driver of the main road vehicle.
GB1305019D 1969-05-23 1969-05-23 Expired GB1305019A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2633169 1969-05-23

Publications (1)

Publication Number Publication Date
GB1305019A true GB1305019A (en) 1973-01-31

Family

ID=10241997

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1305019D Expired GB1305019A (en) 1969-05-23 1969-05-23

Country Status (2)

Country Link
FR (1) FR2048617A5 (en)
GB (1) GB1305019A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987003989A1 (en) * 1985-12-26 1987-07-02 Robert Wulkowicz Traffic control system
EP0898257A1 (en) * 1997-08-22 1999-02-24 Mitsubishi Heavy Industries, Ltd. Running vehicle control method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987003989A1 (en) * 1985-12-26 1987-07-02 Robert Wulkowicz Traffic control system
EP0898257A1 (en) * 1997-08-22 1999-02-24 Mitsubishi Heavy Industries, Ltd. Running vehicle control method
US6198993B1 (en) 1997-08-22 2001-03-06 Mitsubishi Heavy Industries, Ltd. Running vehicle control method for automatically controlling a plurality of vehicles running on a road

Also Published As

Publication number Publication date
FR2048617A5 (en) 1971-03-19

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees