GB2149952B - Inductive loop vehicle-sensing - Google Patents

Inductive loop vehicle-sensing

Info

Publication number
GB2149952B
GB2149952B GB08427936A GB8427936A GB2149952B GB 2149952 B GB2149952 B GB 2149952B GB 08427936 A GB08427936 A GB 08427936A GB 8427936 A GB8427936 A GB 8427936A GB 2149952 B GB2149952 B GB 2149952B
Authority
GB
United Kingdom
Prior art keywords
sensing
inductive loop
loop vehicle
vehicle
inductive
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
GB08427936A
Other versions
GB2149952A (en
GB8427936D0 (en
Inventor
Brian Charles Jefferis
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.)
Sarasota Automation Ltd
Original Assignee
Sarasota Automation 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 Sarasota Automation Ltd filed Critical Sarasota Automation Ltd
Publication of GB8427936D0 publication Critical patent/GB8427936D0/en
Publication of GB2149952A publication Critical patent/GB2149952A/en
Application granted granted Critical
Publication of GB2149952B publication Critical patent/GB2149952B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
GB08427936A 1983-11-03 1984-11-05 Inductive loop vehicle-sensing Expired GB2149952B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838329328A GB8329328D0 (en) 1983-11-03 1983-11-03 Loop oscillators

Publications (3)

Publication Number Publication Date
GB8427936D0 GB8427936D0 (en) 1984-12-12
GB2149952A GB2149952A (en) 1985-06-19
GB2149952B true GB2149952B (en) 1987-02-04

Family

ID=10551153

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838329328A Pending GB8329328D0 (en) 1983-11-03 1983-11-03 Loop oscillators
GB08427936A Expired GB2149952B (en) 1983-11-03 1984-11-05 Inductive loop vehicle-sensing

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB838329328A Pending GB8329328D0 (en) 1983-11-03 1983-11-03 Loop oscillators

Country Status (1)

Country Link
GB (2) GB8329328D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8909187D0 (en) * 1989-04-21 1989-06-07 Wiggin A J Programmable inductive loop detector
US7324014B2 (en) 2003-03-11 2008-01-29 The Chamberlain Group, Inc. Inductive loop detector with automatic frequency change

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1138151A (en) * 1965-01-04 1968-12-27 Solartron Electronic Group Improvements in or relating to digital instruments
US3754152A (en) * 1971-11-03 1973-08-21 Bulova Watch Co Inc Incrementally adjustable capacitor unit for tuning a crystal-controlled oscillator
GB2125598B (en) * 1982-06-03 1986-01-15 Microsense Systems Ltd Induction loop vehicle detector

Also Published As

Publication number Publication date
GB2149952A (en) 1985-06-19
GB8329328D0 (en) 1983-12-07
GB8427936D0 (en) 1984-12-12

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991105