GB2256106B - Vehicle position monitoring - Google Patents

Vehicle position monitoring

Info

Publication number
GB2256106B
GB2256106B GB9111020A GB9111020A GB2256106B GB 2256106 B GB2256106 B GB 2256106B GB 9111020 A GB9111020 A GB 9111020A GB 9111020 A GB9111020 A GB 9111020A GB 2256106 B GB2256106 B GB 2256106B
Authority
GB
United Kingdom
Prior art keywords
vehicle position
position monitoring
monitoring
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 - Lifetime
Application number
GB9111020A
Other versions
GB9111020D0 (en
GB2256106A (en
GB2256106A8 (en
Inventor
Michael Charles Stevens
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.)
Raytheon Systems Ltd
Original Assignee
Cossor Electronics 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
Publication of GB2256106A8 publication Critical patent/GB2256106A8/en
Application filed by Cossor Electronics Ltd filed Critical Cossor Electronics Ltd
Priority to GB9111020A priority Critical patent/GB2256106B/en
Publication of GB9111020D0 publication Critical patent/GB9111020D0/en
Publication of GB2256106A publication Critical patent/GB2256106A/en
Application granted granted Critical
Publication of GB2256106B publication Critical patent/GB2256106B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/022—Means for monitoring or calibrating
    • G01S1/026—Means for monitoring or calibrating of associated receivers
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/06—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
GB9111020A 1991-05-22 1991-05-22 Vehicle position monitoring Expired - Lifetime GB2256106B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9111020A GB2256106B (en) 1991-05-22 1991-05-22 Vehicle position monitoring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9111020A GB2256106B (en) 1991-05-22 1991-05-22 Vehicle position monitoring

Publications (4)

Publication Number Publication Date
GB2256106A8 GB2256106A8 (en)
GB9111020D0 GB9111020D0 (en) 1991-07-17
GB2256106A GB2256106A (en) 1992-11-25
GB2256106B true GB2256106B (en) 1995-10-11

Family

ID=10695396

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9111020A Expired - Lifetime GB2256106B (en) 1991-05-22 1991-05-22 Vehicle position monitoring

Country Status (1)

Country Link
GB (1) GB2256106B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988001750A1 (en) * 1986-08-27 1988-03-10 Hughes Aircraft Company Vehicle locating system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988001750A1 (en) * 1986-08-27 1988-03-10 Hughes Aircraft Company Vehicle locating system

Also Published As

Publication number Publication date
GB9111020D0 (en) 1991-07-17
GB2256106A (en) 1992-11-25
GB2256106A8 (en)

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20110521