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
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.
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)
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 |
-
1969
- 1969-05-23 GB GB1305019D patent/GB1305019A/en not_active Expired
-
1970
- 1970-05-21 FR FR7018480A patent/FR2048617A5/fr not_active Expired
Cited By (3)
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 |