GB9106842D0 - Vehicle locator system - Google Patents

Vehicle locator system

Info

Publication number
GB9106842D0
GB9106842D0 GB919106842A GB9106842A GB9106842D0 GB 9106842 D0 GB9106842 D0 GB 9106842D0 GB 919106842 A GB919106842 A GB 919106842A GB 9106842 A GB9106842 A GB 9106842A GB 9106842 D0 GB9106842 D0 GB 9106842D0
Authority
GB
United Kingdom
Prior art keywords
locator system
vehicle locator
vehicle
locator
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Withdrawn
Application number
GB919106842A
Other versions
GB2254508A (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.)
GRAHAM JOHN A
MITCHINSON JAMES C
Original Assignee
GRAHAM JOHN A
MITCHINSON JAMES C
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 GRAHAM JOHN A, MITCHINSON JAMES C filed Critical GRAHAM JOHN A
Priority to GB9106842A priority Critical patent/GB2254508A/en
Publication of GB9106842D0 publication Critical patent/GB9106842D0/en
Publication of GB2254508A publication Critical patent/GB2254508A/en
Withdrawn legal-status Critical Current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
    • 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
    • G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems
    • 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
    • G01S1/08—Systems for determining direction or position line
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/24—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations, e.g. LORAN systems
GB9106842A 1991-04-02 1991-04-02 Vehicle location determining system Withdrawn GB2254508A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9106842A GB2254508A (en) 1991-04-02 1991-04-02 Vehicle location determining system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9106842A GB2254508A (en) 1991-04-02 1991-04-02 Vehicle location determining system

Publications (2)

Publication Number Publication Date
GB9106842D0 true GB9106842D0 (en) 1991-05-22
GB2254508A GB2254508A (en) 1992-10-07

Family

ID=10692486

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9106842A Withdrawn GB2254508A (en) 1991-04-02 1991-04-02 Vehicle location determining system

Country Status (1)

Country Link
GB (1) GB2254508A (en)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9519087D0 (en) * 1995-09-19 1995-11-22 Cursor Positioning Sys Ltd Navigation and tracking system
GB9722324D0 (en) 1997-10-22 1997-12-17 Cambridge Positioning Sys Ltd Positioning system for digital telephone networks
GB9912724D0 (en) 1999-06-01 1999-08-04 Cambridge Positioning Sys Ltd Radio positioning system
GB2359699A (en) * 2000-02-23 2001-08-29 Motorola Inc locating a mobile station in a cellular telephone network
GB0029739D0 (en) 2000-12-06 2001-01-17 Univ Surrey Mobile positioning using integrated ad-hoc network
US7042396B2 (en) 2001-08-17 2006-05-09 Rosom Corporation Position location using digital audio broadcast signals
US6963306B2 (en) 2001-02-02 2005-11-08 Rosum Corp. Position location and data transmission using pseudo digital television transmitters
US6522297B1 (en) 2001-02-02 2003-02-18 Rosum Corporation Position location using ghost canceling reference television signals
US8677440B2 (en) 2001-02-02 2014-03-18 Trueposition, Inc. Position determination using ATSC-M/H signals
US7471244B2 (en) 2001-02-02 2008-12-30 Rosum Corporation Monitor units for television signals
US8102317B2 (en) 2001-02-02 2012-01-24 Trueposition, Inc. Location identification using broadcast wireless signal signatures
US7463195B2 (en) 2001-06-21 2008-12-09 Rosum Corporation Position location using global positioning signals augmented by broadcast television signals
US6559800B2 (en) 2001-02-02 2003-05-06 Rosum Corporation Position location using broadcast analog television signals
US8754807B2 (en) 2001-02-02 2014-06-17 Trueposition, Inc. Time, frequency, and location determination for femtocells
US6861984B2 (en) 2001-02-02 2005-03-01 Rosum Corporation Position location using broadcast digital television signals
US20020184653A1 (en) 2001-02-02 2002-12-05 Pierce Matthew D. Services based on position location using broadcast digital television signals
US8106828B1 (en) 2005-11-22 2012-01-31 Trueposition, Inc. Location identification using broadcast wireless signal signatures
US6859173B2 (en) 2001-06-21 2005-02-22 The Rosum Corporation Position location using broadcast television signals and mobile telephone signals
US6952182B2 (en) 2001-08-17 2005-10-04 The Rosom Corporation Position location using integrated services digital broadcasting—terrestrial (ISDB-T) broadcast television signals
US6970132B2 (en) 2001-02-02 2005-11-29 Rosum Corporation Targeted data transmission and location services using digital television signaling
US8233091B1 (en) 2007-05-16 2012-07-31 Trueposition, Inc. Positioning and time transfer using television synchronization signals
US7126536B2 (en) * 2001-02-02 2006-10-24 Rosum Corporation Position location using terrestrial digital video broadcast television signals
US6839024B2 (en) 2001-06-21 2005-01-04 Rosum Corporation Position determination using portable pseudo-television broadcast transmitters
US6914560B2 (en) 2001-08-17 2005-07-05 The Rosum Corporation Position location using broadcast digital television signals comprising pseudonoise sequences
US6806830B2 (en) 2001-12-31 2004-10-19 Texas Instruments Incorporated Electronic device precision location via local broadcast signals
EP1318413A1 (en) * 2001-12-05 2003-06-11 Texas Instruments Incorporated Electronic device precision location via local broadcast signals
FR2873533B1 (en) * 2004-07-22 2006-12-29 Bouygues Telecom Sa METHOD FOR LOCATING A MOBILE TERMINAL IN A NON-SYNCHRONIZED MOBILE NETWORK
US7692587B2 (en) * 2004-09-22 2010-04-06 Rosum Corporation Rapid acquisition and correlation of synchronization codes for mobile devices with limited memory and computational power
US8179318B1 (en) 2005-09-28 2012-05-15 Trueposition, Inc. Precise position determination using VHF omni-directional radio range signals
US7498873B2 (en) 2005-11-02 2009-03-03 Rosom Corporation Wide-lane pseudorange measurements using FM signals
US8149168B1 (en) 2006-01-17 2012-04-03 Trueposition, Inc. Position determination using wireless local area network signals and television signals
US7737893B1 (en) 2006-06-28 2010-06-15 Rosum Corporation Positioning in a single-frequency network
US8682341B1 (en) 2006-11-22 2014-03-25 Trueposition, Inc. Blind identification of single-frequency-network transmitters
US7792156B1 (en) 2008-01-10 2010-09-07 Rosum Corporation ATSC transmitter identifier signaling
US8125389B1 (en) 2008-10-20 2012-02-28 Trueposition, Inc. Doppler-aided positioning, navigation, and timing using broadcast television signals
US8253627B1 (en) 2009-02-13 2012-08-28 David Burgess Position determination with NRSC-5 digital radio signals
US8644850B2 (en) 2009-10-05 2014-02-04 Bae Systems Plc Radio navigation
CN105446350B (en) * 2014-09-26 2018-05-29 科沃斯机器人股份有限公司 Self-movement robot moves boundary demarcation method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2801142C2 (en) * 1978-01-12 1981-06-19 Werner Ing.(Grad.) 8131 Andechs Weisser Method for navigating and determining the location of a vehicle
US4555707A (en) * 1982-08-27 1985-11-26 Connelly Will A Television pulsed navigation system
GB2222922B (en) * 1988-06-16 1993-01-20 Spectronics Micro Syst Ltd Vehicle location system

Also Published As

Publication number Publication date
GB2254508A (en) 1992-10-07

Similar Documents

Publication Publication Date Title
GB9106842D0 (en) Vehicle locator system
EP0585101A3 (en) Object locator system.
GB2261339B (en) Distance detection system for vehicle
EP0444738A3 (en) Vehicle location system
GB9213517D0 (en) Improved vehicle electrical system
EP0517224A3 (en) Muscle-operated vehicle
EP0509439A3 (en) Roofconstruction for vehicles
GB2256404B (en) Steering system
GB2254055B (en) Vehicle
GB2271692B (en) Vehicle location system
GB2258678B (en) Bridge-laying vehicle
GB2255665B (en) Vehicle information system
ZA925330B (en) Security system for vehicles
GB9217200D0 (en) Vehicle
IL98376A0 (en) Vehicle
GB9216684D0 (en) Vehicle navigation system
GB2258849B (en) Vehicles
GB9126587D0 (en) Vehicles
GB2252539B (en) Steering system
GB9123915D0 (en) Vehicle alarm system
GB9106271D0 (en) Vehicle modularisation system
GB9117848D0 (en) Vehicle navigation system
GB9120118D0 (en) Vehicle immobilisation system
RU1806957C (en) Vehicle
GB9104798D0 (en) Vehicle protection system

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)