DE3889852D1 - Ortungssystem. - Google Patents

Ortungssystem.

Info

Publication number
DE3889852D1
DE3889852D1 DE3889852T DE3889852T DE3889852D1 DE 3889852 D1 DE3889852 D1 DE 3889852D1 DE 3889852 T DE3889852 T DE 3889852T DE 3889852 T DE3889852 T DE 3889852T DE 3889852 D1 DE3889852 D1 DE 3889852D1
Authority
DE
Germany
Prior art keywords
signal
tracking system
oscillator
transmitter
target
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
DE3889852T
Other languages
English (en)
Inventor
Kerry Peter Spackman
Henry Arthur Whale
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.)
Precision Tech Inc
Original Assignee
Precision Tech 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
Application filed by Precision Tech Inc filed Critical Precision Tech Inc
Application granted granted Critical
Publication of DE3889852D1 publication Critical patent/DE3889852D1/de
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
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE3889852T 1987-11-02 1988-11-01 Ortungssystem. Expired - Lifetime DE3889852D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ222404A NZ222404A (en) 1987-11-02 1987-11-02 Vehicle tracking by comparison of transmitted phase at multiple receivers

Publications (1)

Publication Number Publication Date
DE3889852D1 true DE3889852D1 (de) 1994-07-07

Family

ID=19922263

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3889852T Expired - Lifetime DE3889852D1 (de) 1987-11-02 1988-11-01 Ortungssystem.

Country Status (6)

Country Link
US (1) US5023809A (de)
EP (1) EP0315411B1 (de)
JP (1) JPH01259280A (de)
AT (1) ATE106575T1 (de)
DE (1) DE3889852D1 (de)
NZ (1) NZ222404A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5500904A (en) * 1992-04-22 1996-03-19 Texas Instruments Incorporated System and method for indicating a change between images
US5327144A (en) * 1993-05-07 1994-07-05 Associated Rt, Inc. Cellular telephone location system
NL9301186A (nl) * 1993-07-06 1995-02-01 Franciscus Johannes Maria Olij Mobiel wedstrijd-volgsysteem.
US5890068A (en) * 1996-10-03 1999-03-30 Cell-Loc Inc. Wireless location system
US6330452B1 (en) 1998-08-06 2001-12-11 Cell-Loc Inc. Network-based wireless location system to position AMPs (FDMA) cellular telephones, part I
US6204812B1 (en) 1998-10-09 2001-03-20 Cell-Loc Inc. Methods and apparatus to position a mobile receiver using downlink signals, part II
US6266014B1 (en) 1998-10-09 2001-07-24 Cell-Loc Inc. Methods and apparatus to position a mobile receiver using downlink signals part IV
US6208297B1 (en) 1998-10-09 2001-03-27 Cell-Loc Inc. Methods and apparatus to position a mobile receiver using downlink signals, part I
US6574478B1 (en) * 2000-08-11 2003-06-03 Alcatel Usa Sourcing, L.P. System and method for locating mobile devices
US8436730B2 (en) 2007-10-04 2013-05-07 Sc Holdings, Llc Method and system for tracking and/or disabling a vehicle
US20100006908A1 (en) * 2008-07-09 2010-01-14 Brady Frederick T Backside illuminated image sensor with shallow backside trench for photodiode isolation
CN109856594B (zh) * 2019-01-31 2020-10-13 北京电子工程总体研究所 一种时差测量体制无源定位的多路可控时延信号产生装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1230585A (fr) * 1959-04-01 1960-09-16 Dispositif radioélectrique pour la localisation d'un mobile
DE2460645A1 (de) * 1971-07-28 1976-06-24 Siemens Ag Verfahren zur standortbestimmung von fahrzeugen und einrichtung zur durchfuehrung des verfahrens
DE2829558A1 (de) * 1978-07-05 1980-01-24 Siemens Ag Phasenvergleichs-hyperbelverfahren zur ortung flaechengebundener fahrzeuge und einrichtung zur durchfuehrung des verfahrens
US4270143A (en) * 1978-12-20 1981-05-26 General Electric Company Cross-correlation video tracker and method
US4320287A (en) * 1980-01-25 1982-03-16 Lockheed Electronics Co., Inc. Target vehicle tracking apparatus
JPS5994045A (ja) * 1982-11-22 1984-05-30 Toshiba Corp 画像入力装置
US4550435A (en) * 1983-06-07 1985-10-29 Rca Corporation Multilevel thresholding for target tracking apparatus
US4739401A (en) * 1985-01-25 1988-04-19 Hughes Aircraft Company Target acquisition system and method
US4823137A (en) * 1987-04-13 1989-04-18 Mallick Brian C Multiple-fixed-frequencies navigation system

Also Published As

Publication number Publication date
NZ222404A (en) 1991-06-25
EP0315411A1 (de) 1989-05-10
ATE106575T1 (de) 1994-06-15
US5023809A (en) 1991-06-11
JPH01259280A (ja) 1989-10-16
EP0315411B1 (de) 1994-06-01

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Legal Events

Date Code Title Description
8332 No legal effect for de