EP0474440A3 - Moving vehicle transponder - Google Patents

Moving vehicle transponder Download PDF

Info

Publication number
EP0474440A3
EP0474440A3 EP19910307965 EP91307965A EP0474440A3 EP 0474440 A3 EP0474440 A3 EP 0474440A3 EP 19910307965 EP19910307965 EP 19910307965 EP 91307965 A EP91307965 A EP 91307965A EP 0474440 A3 EP0474440 A3 EP 0474440A3
Authority
EP
European Patent Office
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.)
Withdrawn
Application number
EP19910307965
Other versions
EP0474440A2 (en
Inventor
Peter Philip Blunden
David Anthony Williams
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.)
Plessey Semiconductors 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 EP0474440A2 publication Critical patent/EP0474440A2/en
Publication of EP0474440A3 publication Critical patent/EP0474440A3/en
Withdrawn legal-status Critical Current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
EP19910307965 1990-09-07 1991-08-30 Moving vehicle transponder Withdrawn EP0474440A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9019645 1990-09-07
GB909019645A GB9019645D0 (en) 1990-09-07 1990-09-07 Moving vehicle transponder

Publications (2)

Publication Number Publication Date
EP0474440A2 EP0474440A2 (en) 1992-03-11
EP0474440A3 true EP0474440A3 (en) 1993-07-07

Family

ID=10681879

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910307965 Withdrawn EP0474440A3 (en) 1990-09-07 1991-08-30 Moving vehicle transponder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

Citations (5)

* 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
EP0323011A2 (en) * 1987-12-18 1989-07-05 Amtech Technology Corporation Transponder antenna

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2487588A1 (en) * 1980-07-23 1982-01-29 France Etat DOUBLE REPLIES IN PLATES FOR VERY HIGH FREQUENCY AND NETWORKS OF SUCH DOUBLETS

Patent Citations (5)

* 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
EP0323011A2 (en) * 1987-12-18 1989-07-05 Amtech Technology Corporation Transponder antenna

Also Published As

Publication number Publication date
GB2249924A (en) 1992-05-20
EP0474440A2 (en) 1992-03-11
GB9118647D0 (en) 1991-10-16
GB9019645D0 (en) 1990-10-24
GB2249924B (en) 1994-06-15
CA2050832A1 (en) 1992-03-08

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