GB2135803B - Improvements relating to traffic light control systems - Google Patents

Improvements relating to traffic light control systems

Info

Publication number: GB2135803B
Authority: GB; United Kingdom
Prior art keywords: control systems; light control; traffic light; improvements relating; relating
Prior art date: 1983-02-25
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

GB08405037A

Other versions

GB8405037D0 (en

GB2135803A (en

Inventor

Laurence John Lux

Peter John Hatherell

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.)

LUX TRAFFIC CONTROLS Ltd

Original Assignee

LUX TRAFFIC CONTROLS 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.)

1983-02-25

Filing date

1984-02-27

Publication date

1987-02-11

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26285364&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB2135803(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1983-02-25 Priority claimed from GB838305378A external-priority patent/GB8305378D0/en

1984-02-27 Application filed by LUX TRAFFIC CONTROLS Ltd filed Critical LUX TRAFFIC CONTROLS Ltd

1984-02-27 Priority to GB08405037A priority Critical patent/GB2135803B/en

1984-04-04 Publication of GB8405037D0 publication Critical patent/GB8405037D0/en

1984-09-05 Publication of GB2135803A publication Critical patent/GB2135803A/en

1987-02-11 Application granted granted Critical

1987-02-11 Publication of GB2135803B publication Critical patent/GB2135803B/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Traffic Control Systems (AREA)

GB08405037A 1983-02-25 1984-02-27 Improvements relating to traffic light control systems Expired GB2135803B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB08405037A GB2135803B (en)	1983-02-25	1984-02-27	Improvements relating to traffic light control systems

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB838305378A GB8305378D0 (en)	1983-02-25	1983-02-25	Traffic light control systems
GB08405037A GB2135803B (en)	1983-02-25	1984-02-27	Improvements relating to traffic light control systems

Publications (3)

Publication Number	Publication Date
GB8405037D0 GB8405037D0 (en)	1984-04-04
GB2135803A GB2135803A (en)	1984-09-05
GB2135803B true GB2135803B (en)	1987-02-11

Family

ID=26285364

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08405037A Expired GB2135803B (en)	1983-02-25	1984-02-27	Improvements relating to traffic light control systems

Country Status (1)

Country	Link
GB (1)	GB2135803B (en)

1984
- 1984-02-27 GB GB08405037A patent/GB2135803B/en not_active Expired

Also Published As

Publication number	Publication date
GB8405037D0 (en)	1984-04-04
GB2135803A (en)	1984-09-05

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Legal Events

Date	Code	Title	Description
1988-10-19	PCNP	Patent ceased through non-payment of renewal fee
1989-06-01	PCPE	Delete 'patent ceased' from journal	Free format text: 5198, PAGE 3147
1992-10-21	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
1993-10-27	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19930227