AU497524B2 - Identification of vehicles using transformer effect - Google Patents

Identification of vehicles using transformer effect

Info

Publication number
AU497524B2
AU497524B2 AU84867/75A AU8486775A AU497524B2 AU 497524 B2 AU497524 B2 AU 497524B2 AU 84867/75 A AU84867/75 A AU 84867/75A AU 8486775 A AU8486775 A AU 8486775A AU 497524 B2 AU497524 B2 AU 497524B2
Authority
AU
Australia
Prior art keywords
vehicle
loop
frequency
roadway
signal
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
AU84867/75A
Other languages
English (en)
Other versions
AU8486775A (en
Inventor
Im Dow
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.)
UK Secretary of State for Industry
Original Assignee
UK Secretary of State for Environment
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 UK Secretary of State for Environment filed Critical UK Secretary of State for Environment
Publication of AU8486775A publication Critical patent/AU8486775A/en
Application granted granted Critical
Publication of AU497524B2 publication Critical patent/AU497524B2/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
    • G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Near-Field Transmission Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
AU84867/75A 1974-09-17 1975-09-16 Identification of vehicles using transformer effect Expired AU497524B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB40367/74A GB1505081A (en) 1974-09-17 1974-09-17 System for the identification of a road vehicle travelling along a predetermined route
GBGB40367/74 1974-09-17

Publications (2)

Publication Number Publication Date
AU8486775A AU8486775A (en) 1977-03-24
AU497524B2 true AU497524B2 (en) 1978-12-14

Family

ID=10414523

Family Applications (1)

Application Number Title Priority Date Filing Date
AU84867/75A Expired AU497524B2 (en) 1974-09-17 1975-09-16 Identification of vehicles using transformer effect

Country Status (12)

Country Link
US (1) US3996555A (show.php)
JP (1) JPS5160886A (show.php)
AU (1) AU497524B2 (show.php)
BE (1) BE833474A (show.php)
DE (1) DE2541480A1 (show.php)
DK (1) DK413275A (show.php)
ES (1) ES440956A1 (show.php)
FR (1) FR2285267A1 (show.php)
GB (1) GB1505081A (show.php)
NL (1) NL7510950A (show.php)
NO (1) NO753134L (show.php)
SE (1) SE7510335L (show.php)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087802A (en) * 1976-05-24 1978-05-02 Williamson Robert D Method and apparatus for electronic surveillance of precisely defined control zone
US4212002A (en) * 1976-05-24 1980-07-08 Williamson Robert D Method and apparatus for selective electronic surveillance
US4206453A (en) * 1976-05-24 1980-06-03 Williamson Robert D Method and apparatus for electronic surveillance
DE2631543A1 (de) * 1976-07-14 1978-01-19 Blaupunkt Werke Gmbh Zielfuehrungssystem fuer kraftfahrzeuge
US4529982A (en) * 1982-06-03 1985-07-16 Flintab Ab Vehicle locating system
US5245335A (en) * 1984-03-06 1993-09-14 Comsource Systems Corp. Transceiver system for communication over wire laid along the path of guided/vehicles
US5257290A (en) * 1984-03-06 1993-10-26 Comsource Systems Corporation Transmission line termination of guide-communications wire for guided vehicles
GB8421715D0 (en) * 1984-08-28 1984-10-03 Buttemer D A Loop detector
JPS61245299A (ja) * 1985-04-22 1986-10-31 オムロン株式会社 路車間通信機能付き車両感知器
JPH01253678A (ja) * 1988-04-01 1989-10-09 Yamatake Honeywell Co Ltd 磁気信号伝送装置
DE19507721C2 (de) * 1995-03-07 1997-10-02 Aeg Identifikationssys Gmbh Transponderanordnung für elektromagnetische Abfragesysteme

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1209482A (en) * 1967-02-15 1970-10-21 Mini Of Transp System for the identification of vehicles travelling along a predetermined route
US3859624A (en) * 1972-09-05 1975-01-07 Thomas A Kriofsky Inductively coupled transmitter-responder arrangement

Also Published As

Publication number Publication date
SE7510335L (sv) 1976-03-18
ES440956A1 (es) 1977-06-16
NL7510950A (nl) 1976-03-19
FR2285267A1 (fr) 1976-04-16
GB1505081A (en) 1978-03-22
JPS5160886A (show.php) 1976-05-27
AU8486775A (en) 1977-03-24
DK413275A (da) 1976-03-18
BE833474A (fr) 1976-01-16
US3996555A (en) 1976-12-07
NO753134L (show.php) 1976-03-18
DE2541480A1 (de) 1976-04-08
FR2285267B3 (show.php) 1978-05-05

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