AU2964695A - Apparatus and method for locating cellular telephones and similar transmitters - Google Patents

Apparatus and method for locating cellular telephones and similar transmitters

Info

Publication number
AU2964695A
AU2964695A AU29646/95A AU2964695A AU2964695A AU 2964695 A AU2964695 A AU 2964695A AU 29646/95 A AU29646/95 A AU 29646/95A AU 2964695 A AU2964695 A AU 2964695A AU 2964695 A AU2964695 A AU 2964695A
Authority
AU
Australia
Prior art keywords
transmitter
phone
determining
predetermined range
portable receiver
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.)
Abandoned
Application number
AU29646/95A
Other languages
English (en)
Inventor
David L Herrick
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.)
Lockheed Martin Corp
Original Assignee
Lockheed Sanders Inc
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
Priority claimed from US08/272,725 external-priority patent/US5512908A/en
Priority claimed from US08/272,724 external-priority patent/US5625364A/en
Application filed by Lockheed Sanders Inc filed Critical Lockheed Sanders Inc
Publication of AU2964695A publication Critical patent/AU2964695A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical 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
    • 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
    • G01S5/04—Position of source determined by a plurality of spaced direction-finders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
AU29646/95A 1994-07-08 1995-07-07 Apparatus and method for locating cellular telephones and similar transmitters Abandoned AU2964695A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US272725 1994-07-08
US08/272,725 US5512908A (en) 1994-07-08 1994-07-08 Apparatus and method for locating cellular telephones
US08/272,724 US5625364A (en) 1994-07-08 1994-07-08 Apparatus and method for finding a signal emission source
US272724 1994-07-08
PCT/US1995/008527 WO1996002007A1 (en) 1994-07-08 1995-07-07 Apparatus and method for locating cellular telephones and similar transmitters

Publications (1)

Publication Number Publication Date
AU2964695A true AU2964695A (en) 1996-02-09

Family

ID=26955698

Family Applications (1)

Application Number Title Priority Date Filing Date
AU29646/95A Abandoned AU2964695A (en) 1994-07-08 1995-07-07 Apparatus and method for locating cellular telephones and similar transmitters

Country Status (6)

Country Link
EP (1) EP0717852A1 (ko)
KR (1) KR960705222A (ko)
AU (1) AU2964695A (ko)
CA (1) CA2171333A1 (ko)
NZ (1) NZ289719A (ko)
WO (1) WO1996002007A1 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6741863B1 (en) 1998-12-18 2004-05-25 Lucent Technologies Inc. Method and apparatus for locating a wireless mobile unit
SE9901183L (sv) * 1999-03-31 2000-07-17 Satsafe Mls Ab Metod och portabelt system för lokalisering av mobiltelefon
SE522597C2 (sv) * 2001-03-26 2004-02-24 Telia Ab Anordning och metoder för positionering av mobila kommunikationsenheter
GB0117951D0 (en) * 2001-07-24 2001-09-19 Koninkl Philips Electronics Nv Methods and apparatus for determining the position of a transmitter and mobile communitcations device
FI116996B (fi) * 2004-11-02 2006-04-28 Nethawk Oyj Menetelmä matkaviestinlaitteen paikantamiseksi, liikkuva paikannusjärjestelmä, tukiasema ja verkkoelementti
KR101039873B1 (ko) 2011-03-02 2011-06-09 (주)한국전산감리원 전자발찌정보알림시스템 및 전자발찌정보알림방법
RU2594759C1 (ru) * 2015-10-28 2016-08-20 Федеральное государственное казенное военное образовательное учреждение высшего профессионального образования "ВОЕННАЯ АКАДЕМИЯ СВЯЗИ имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации Способ и устройство определения координат источника радиоизлучения

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5003317A (en) * 1989-07-11 1991-03-26 Mets, Inc. Stolen vehicle recovery system
US5343493A (en) * 1993-03-16 1994-08-30 Hughes Aircraft Company Personal assistance system and method for use with a cellular communication system
US5327144A (en) * 1993-05-07 1994-07-05 Associated Rt, Inc. Cellular telephone location system

Also Published As

Publication number Publication date
KR960705222A (ko) 1996-10-09
EP0717852A1 (en) 1996-06-26
CA2171333A1 (en) 1996-01-25
WO1996002007A1 (en) 1996-01-25
NZ289719A (en) 1997-02-24

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