[go: up one dir, main page]

AU3245271A - Improvements in or relating to vehicle location systems - Google Patents

Improvements in or relating to vehicle location systems

Info

Publication number
AU3245271A
AU3245271A AU32452/71A AU3245271A AU3245271A AU 3245271 A AU3245271 A AU 3245271A AU 32452/71 A AU32452/71 A AU 32452/71A AU 3245271 A AU3245271 A AU 3245271A AU 3245271 A AU3245271 A AU 3245271A
Authority
AU
Australia
Prior art keywords
relating
vehicle location
location systems
systems
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.)
Expired
Application number
AU32452/71A
Inventor
Arthur Tyler Ronald
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.)
Amalgamated Wireless Australasia Ltd
Original Assignee
AWA 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 AWA Ltd filed Critical AWA Ltd
Publication of AU3245271A publication Critical patent/AU3245271A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/753—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using frequency selective elements, e.g. resonator
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
AU32452/71A 1970-09-04 1971-08-17 Improvements in or relating to vehicle location systems Expired AU3245271A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4237470 1970-09-04
GBGB423747 1970-09-04

Publications (1)

Publication Number Publication Date
AU3245271A true AU3245271A (en) 1973-02-22

Family

ID=10424145

Family Applications (1)

Application Number Title Priority Date Filing Date
AU32452/71A Expired AU3245271A (en) 1970-09-04 1971-08-17 Improvements in or relating to vehicle location systems

Country Status (3)

Country Link
AU (1) AU3245271A (en)
CA (1) CA948730A (en)
GB (1) GB1296410A (en)

Also Published As

Publication number Publication date
GB1296410A (en) 1972-11-15
CA948730A (en) 1974-06-04

Similar Documents

Publication Publication Date Title
AU467666B2 (en) Improvements in or relating to alarm systems
AU2659371A (en) Improvements in or relating to railway systems and to vehicles therefor
AU462610B2 (en) Improvements in or relating to self-propelled vehicles
AU461807B2 (en) Improvements in or relating to vehicle brakes
AU1508070A (en) Improvements in or relating to hydraulic systems
AU476791B2 (en) Improvements in or relating to vehicle location systems
AU1175470A (en) Improvements in vehicle lighting systems
AU463197B2 (en) Improvements in or relating to vehicle braking systems
AU3245271A (en) Improvements in or relating to vehicle location systems
AU442619B2 (en) Improvements in or relating to railway vehicles
AU470898B2 (en) Improvements in or relating to contact systems
AU448363B2 (en) Improvements in or relating to error-measurement systems
AU457301B2 (en) Improvements in or relating to anti-sked systems
AU3104471A (en) Improvements in vehicle suspension systems
AU2719771A (en) Improvements in or relating to error-measurement systems
AU3579771A (en) Improvements in or relating to anti-sked systems
AU3262871A (en) Improvements in or relating to motor vehicles
AU458874B2 (en) Improvements in or relating to telprinter receiver systems
AU444498B2 (en) Improvements in or relating to vehicle braking systems
AU449809B2 (en) Improvements in or relating to aerial systems
AU448040B2 (en) Improvements in or relating to vehicle braking systems
AU458517B2 (en) Improvements in or relating to control systems
AU438280B2 (en) Improvements in or relating to vehicle bra systems
AU430905B2 (en) Improvements in hydraulic systems for vehicles
AU2390470A (en) Improvements in or relating to telprinter receiver systems