GB9118647D0 - Moving vehicle transponder - Google Patents

Moving vehicle transponder

Info

Publication number
GB9118647D0
GB9118647D0 GB919118647A GB9118647A GB9118647D0 GB 9118647 D0 GB9118647 D0 GB 9118647D0 GB 919118647 A GB919118647 A GB 919118647A GB 9118647 A GB9118647 A GB 9118647A GB 9118647 D0 GB9118647 D0 GB 9118647D0
Authority
GB
United Kingdom
Prior art keywords
moving vehicle
vehicle transponder
transponder
moving
vehicle
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.)
Granted
Application number
GB919118647A
Other versions
GB2249924A (en
GB2249924B (en
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.)
Marconi Electronic Devices Ltd
Original Assignee
Marconi Electronic Devices 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 Electronic Devices Ltd filed Critical Marconi Electronic Devices Ltd
Publication of GB9118647D0 publication Critical patent/GB9118647D0/en
Publication of GB2249924A publication Critical patent/GB2249924A/en
Application granted granted Critical
Publication of GB2249924B publication Critical patent/GB2249924B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
GB9118647A 1990-09-07 1991-08-30 Moving vehicle transponder Expired - Fee Related GB2249924B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909019645A GB9019645D0 (en) 1990-09-07 1990-09-07 Moving vehicle transponder

Publications (3)

Publication Number Publication Date
GB9118647D0 true GB9118647D0 (en) 1991-10-16
GB2249924A GB2249924A (en) 1992-05-20
GB2249924B GB2249924B (en) 1994-06-15

Family

ID=10681879

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909019645A Pending GB9019645D0 (en) 1990-09-07 1990-09-07 Moving vehicle transponder
GB9118647A Expired - Fee Related GB2249924B (en) 1990-09-07 1991-08-30 Moving vehicle transponder

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909019645A Pending GB9019645D0 (en) 1990-09-07 1990-09-07 Moving vehicle transponder

Country Status (3)

Country Link
EP (1) EP0474440A3 (en)
CA (1) CA2050832A1 (en)
GB (2) GB9019645D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100603617B1 (en) 2004-06-29 2006-07-24 한국전자통신연구원 Antenna for RFID transponder and transponder using the antenna
WO2017166307A1 (en) 2016-04-01 2017-10-05 深圳市大疆创新科技有限公司 Antenna, communication assembly and unmanned aircraft

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1348478A (en) * 1970-06-20 1974-03-20 Emi Ltd Aerial arrangements
US3845490A (en) * 1973-05-03 1974-10-29 Gen Electric Stripline slotted balun dipole antenna
US4068232A (en) * 1976-02-12 1978-01-10 Fairchild Industries, Inc. Passive encoding microwave transponder
US4104630A (en) * 1976-06-21 1978-08-01 Chasek Norman E Vehicle identification system, using microwaves
FR2487588A1 (en) * 1980-07-23 1982-01-29 France Etat DOUBLE REPLIES IN PLATES FOR VERY HIGH FREQUENCY AND NETWORKS OF SUCH DOUBLETS
US4816839A (en) * 1987-12-18 1989-03-28 Amtech Corporation Transponder antenna

Also Published As

Publication number Publication date
GB2249924A (en) 1992-05-20
GB2249924B (en) 1994-06-15
EP0474440A3 (en) 1993-07-07
EP0474440A2 (en) 1992-03-11
CA2050832A1 (en) 1992-03-08
GB9019645D0 (en) 1990-10-24

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970830