GB2044033B - Vehicle location systems - Google Patents

Vehicle location systems

Info

Publication number
GB2044033B
GB2044033B GB7907829A GB7907829A GB2044033B GB 2044033 B GB2044033 B GB 2044033B GB 7907829 A GB7907829 A GB 7907829A GB 7907829 A GB7907829 A GB 7907829A GB 2044033 B GB2044033 B GB 2044033B
Authority
GB
United Kingdom
Prior art keywords
vehicle location
location systems
systems
vehicle
location
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
GB7907829A
Other versions
GB2044033A (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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co 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 Co Ltd filed Critical Marconi Co Ltd
Priority to GB7907829A priority Critical patent/GB2044033B/en
Priority to GB8006385A priority patent/GB2047038B/en
Publication of GB2044033A publication Critical patent/GB2044033A/en
Application granted granted Critical
Publication of GB2044033B publication Critical patent/GB2044033B/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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/16—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic
    • G01S3/18—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic derived directly from separate directional antennas
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB7907829A 1979-03-06 1979-03-06 Vehicle location systems Expired GB2044033B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB7907829A GB2044033B (en) 1979-03-06 1979-03-06 Vehicle location systems
GB8006385A GB2047038B (en) 1979-03-06 1980-02-26 Vehicle position fixing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7907829A GB2044033B (en) 1979-03-06 1979-03-06 Vehicle location systems

Publications (2)

Publication Number Publication Date
GB2044033A GB2044033A (en) 1980-10-08
GB2044033B true GB2044033B (en) 1983-03-16

Family

ID=10503650

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7907829A Expired GB2044033B (en) 1979-03-06 1979-03-06 Vehicle location systems

Country Status (1)

Country Link
GB (1) GB2044033B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2095497B (en) * 1981-03-24 1984-08-15 Racal Communications Equip Improvements in and relating to direction finding
EP0087333A1 (en) * 1982-01-29 1983-08-31 AVIATION ELECTRIC Limited Vehicle heading reference system
US4724442A (en) * 1986-05-29 1988-02-09 E-Systems, Inc. Method and apparatus for loop direction finding with no ambiguity

Also Published As

Publication number Publication date
GB2044033A (en) 1980-10-08

Similar Documents

Publication Publication Date Title
GB2042217B (en) Self-piloting vehicle
DE3069479D1 (en) Vehicular anti-collision system
GB2088569B (en) Automotive doagnostic system
GB2053394B (en) Vehicle brake system
JPS55140657A (en) Fronttdrive vehicle
GB2065946B (en) Vehicle detiction installation
JPS55106874A (en) Automobile
GB2041853B (en) Vehicle
DE3379679D1 (en) Vehicle location systems
GB2057080B (en) Anti-skid systems
GB2057611B (en) Vehicle brake system
JPS55116200A (en) Vehicle control system
GB2054229B (en) Vehicle control system
DE3067187D1 (en) Combination car system
GB2051275B (en) Deceleration-resonsive braking systems
ZA774966B (en) Vehicle location system
JPS5572476A (en) Moving vehicle
GB2049080B (en) Vehicle braking systems
GB2044033B (en) Vehicle location systems
GB2046680B (en) Vehicles
JPS56131463A (en) Annunciator for automobile
GB2006132B (en) Suspension systems for vehicles
GB2089083B (en) Vehicle idendification system
JPS55106821A (en) Automobile
JPS5617771A (en) Barhandle for vehicle

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930306