EP0474440A3 - Moving vehicle transponder - Google Patents
Moving vehicle transponder Download PDFInfo
- 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- Withdrawn
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Near-Field Transmission Systems (AREA)
- Details Of Aerials (AREA)
- Radar Systems Or Details Thereof (AREA)
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EP19910307965 Withdrawn EP0474440A3 (en) | 1990-09-07 | 1991-08-30 | Moving vehicle transponder |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)
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)
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)
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 |
-
1990
- 1990-09-07 GB GB909019645A patent/GB9019645D0/en active Pending
-
1991
- 1991-08-30 GB GB9118647A patent/GB2249924B/en not_active Expired - Fee Related
- 1991-08-30 EP EP19910307965 patent/EP0474440A3/en not_active Withdrawn
- 1991-09-06 CA CA 2050832 patent/CA2050832A1/en not_active Abandoned
Patent Citations (5)
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 |
---|---|
GB9118647D0 (en) | 1991-10-16 |
GB2249924B (en) | 1994-06-15 |
CA2050832A1 (en) | 1992-03-08 |
GB2249924A (en) | 1992-05-20 |
GB9019645D0 (en) | 1990-10-24 |
EP0474440A2 (en) | 1992-03-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE |
|
RBV | Designated contracting states (corrected) |
Designated state(s): DE ES FR IT NL SE |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: PLESSEY SEMICONDUCTORS LIMITED |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE |
|
17P | Request for examination filed |
Effective date: 19931217 |
|
17Q | First examination report despatched |
Effective date: 19960708 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19961119 |