GB2309132B - Object location system - Google Patents

Object location system

Info

Publication number
GB2309132B
GB2309132B GB9600537A GB9600537A GB2309132B GB 2309132 B GB2309132 B GB 2309132B GB 9600537 A GB9600537 A GB 9600537A GB 9600537 A GB9600537 A GB 9600537A GB 2309132 B GB2309132 B GB 2309132B
Authority
GB
United Kingdom
Prior art keywords
location system
object location
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 - Fee Related
Application number
GB9600537A
Other versions
GB2309132A (en
GB9600537D0 (en
Inventor
Hugh Malcolm Ian Bell
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9600537A priority Critical patent/GB2309132B/en
Publication of GB9600537D0 publication Critical patent/GB9600537D0/en
Publication of GB2309132A publication Critical patent/GB2309132A/en
Application granted granted Critical
Publication of GB2309132B publication Critical patent/GB2309132B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G01S1/04—Details
    • G01S1/045—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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/14—Receivers specially adapted for specific applications
    • G01S19/16—Anti-theft; Abduction
    • 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/34—Power consumption
    • 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
    • G01S5/12—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 by co-ordinating position lines of different shape, e.g. hyperbolic, circular, elliptical or radial
GB9600537A 1996-01-11 1996-01-11 Object location system Expired - Fee Related GB2309132B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9600537A GB2309132B (en) 1996-01-11 1996-01-11 Object location system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9600537A GB2309132B (en) 1996-01-11 1996-01-11 Object location system

Publications (3)

Publication Number Publication Date
GB9600537D0 GB9600537D0 (en) 1996-03-13
GB2309132A GB2309132A (en) 1997-07-16
GB2309132B true GB2309132B (en) 2000-09-20

Family

ID=10786887

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9600537A Expired - Fee Related GB2309132B (en) 1996-01-11 1996-01-11 Object location system

Country Status (1)

Country Link
GB (1) GB2309132B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6873290B2 (en) * 1999-01-08 2005-03-29 Trueposition, Inc. Multiple pass location processor
GB0015211D0 (en) * 2000-06-21 2000-08-09 Bath Med Eng Inst Electronic device
GB2368489A (en) * 2000-06-22 2002-05-01 Jeremy Dunkin Using power saving methods and coded transmission in a device for locating missing people/objects, e.g. person buried in avalanche
GB2383214A (en) * 2001-08-17 2003-06-18 David Brown System for determining the location of individuals within a facility
GB2384648B (en) * 2002-01-25 2007-01-10 Intellident Ltd Tagging system
GB2398445A (en) * 2003-01-22 2004-08-18 Avon And Somerset Police Autho Location system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985001583A1 (en) * 1983-09-30 1985-04-11 Findit A/S A method and a transponder for measuring a distance and identification
EP0467036A2 (en) * 1990-06-15 1992-01-22 Savi Technology, Inc. Method and apparatus for radio identification and tracking
US5157615A (en) * 1990-01-09 1992-10-20 Ryan International Corporation Aircraft traffic alert and collision avoidance device
GB2279840A (en) * 1993-07-03 1995-01-11 Hugh Malcolm Ian Bell Stolen property location system
US5396540A (en) * 1992-07-23 1995-03-07 Rockwell International Corporation Remote vehicle communications system and method
US5418537A (en) * 1992-11-18 1995-05-23 Trimble Navigation, Ltd. Location of missing vehicles
US5486830A (en) * 1994-04-06 1996-01-23 The United States Of America As Represented By The United States Department Of Energy Radar transponder apparatus and signal processing technique
GB2298098A (en) * 1995-02-14 1996-08-21 Tagware Ltd Coded tag identification and location

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985001583A1 (en) * 1983-09-30 1985-04-11 Findit A/S A method and a transponder for measuring a distance and identification
US5157615A (en) * 1990-01-09 1992-10-20 Ryan International Corporation Aircraft traffic alert and collision avoidance device
EP0467036A2 (en) * 1990-06-15 1992-01-22 Savi Technology, Inc. Method and apparatus for radio identification and tracking
US5396540A (en) * 1992-07-23 1995-03-07 Rockwell International Corporation Remote vehicle communications system and method
US5418537A (en) * 1992-11-18 1995-05-23 Trimble Navigation, Ltd. Location of missing vehicles
GB2279840A (en) * 1993-07-03 1995-01-11 Hugh Malcolm Ian Bell Stolen property location system
US5486830A (en) * 1994-04-06 1996-01-23 The United States Of America As Represented By The United States Department Of Energy Radar transponder apparatus and signal processing technique
GB2298098A (en) * 1995-02-14 1996-08-21 Tagware Ltd Coded tag identification and location

Also Published As

Publication number Publication date
GB2309132A (en) 1997-07-16
GB9600537D0 (en) 1996-03-13

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Legal Events

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

Effective date: 20040111