DE3067247D1 - Distance measuring system employing secondary radar - Google Patents

Distance measuring system employing secondary radar

Info

Publication number
DE3067247D1
DE3067247D1 DE8080301733T DE3067247T DE3067247D1 DE 3067247 D1 DE3067247 D1 DE 3067247D1 DE 8080301733 T DE8080301733 T DE 8080301733T DE 3067247 T DE3067247 T DE 3067247T DE 3067247 D1 DE3067247 D1 DE 3067247D1
Authority
DE
Germany
Prior art keywords
distance measuring
measuring system
system employing
secondary radar
employing secondary
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
Application number
DE8080301733T
Other languages
German (de)
English (en)
Inventor
Michael Millett
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
Application granted granted Critical
Publication of DE3067247D1 publication Critical patent/DE3067247D1/de
Expired 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
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • G01S13/84—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted for distance determination by phase measurement
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/36—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
DE8080301733T 1979-05-23 1980-05-23 Distance measuring system employing secondary radar Expired DE3067247D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7917938 1979-05-23

Publications (1)

Publication Number Publication Date
DE3067247D1 true DE3067247D1 (en) 1984-05-03

Family

ID=10505376

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080301733T Expired DE3067247D1 (en) 1979-05-23 1980-05-23 Distance measuring system employing secondary radar

Country Status (5)

Country Link
US (1) US4454512A (enExample)
EP (1) EP0020115B1 (enExample)
JP (1) JPS56500818A (enExample)
DE (1) DE3067247D1 (enExample)
WO (1) WO1980002601A1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4833469A (en) * 1987-08-03 1989-05-23 David Constant V Obstacle proximity detector for moving vehicles and method for use thereof
AU3144289A (en) * 1988-03-18 1989-09-21 General Electric Company, Plc, The Position determining equipment
FR2681433B1 (fr) * 1991-09-18 1993-10-29 Jean Guena Systeme de mesure de distance entre deux stations mobiles l'une par rapport a l'autre.
US5220332A (en) * 1992-05-04 1993-06-15 Cyberdynamics, Inc. Ranging by sequential tone transmission
CA2118616C (en) * 1993-03-11 1999-09-14 Thomas Edward Darcie Optical network based on remote interrogation of terminal equipment
GB2315943A (en) * 1996-08-01 1998-02-11 Paul Michael Wood Distance measuring system
US6803851B1 (en) 1998-09-01 2004-10-12 Leopold Kostal Gmbh & Co. Kg Method for carrying out a keyless access authorization check and keyless access authorization check device
DE19927319A1 (de) * 1999-06-15 2000-12-21 Mannesmann Vdo Ag Verfahren zur Bestimmung der Entfernung zwischen zwei Einrichtungen eines Identifikationssystems
US6774764B2 (en) 2000-02-25 2004-08-10 Delphi Technologies, Inc. Securing system for motor vehicle
DE10008989A1 (de) * 2000-02-25 2001-09-06 Delphi Tech Inc Antidiebstahlsicherung
FR2812679B1 (fr) * 2000-08-03 2003-06-13 Delphi Tech Inc Procede anti-piratage de commande a distance pour vehicule automobile et systeme pour sa mise en oeuvre
ITTO20010035A1 (it) * 2001-01-19 2002-07-19 Comau Systems Spa Procedimento e sistema per misurare la distanza di un corpo mobile dauna parte fissa.
CA2505733A1 (en) * 2002-11-20 2004-06-03 Povl Kaas A method and an apparatus for purifying water by photo-chemical oxidation
WO2010065733A1 (en) * 2008-12-04 2010-06-10 Cooper Technologies Company Low force low oil trip mechanism

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1210627A (fr) * 1955-11-15 1960-03-09 South African Council Scientif Procédé et appareillage pour déterminer des positions relatives par le temps de transmission d'ondes
US3245077A (en) * 1962-11-13 1966-04-05 Trw Inc Phase-stable receiver
US3290677A (en) * 1962-12-31 1966-12-06 Trw Inc Continuous wave angle and range determining radar
DE1287801B (enExample) * 1964-04-20
FR1409805A (fr) * 1964-07-20 1965-09-03 Csf Dispositif de mesure de distance
CH508885A (de) * 1969-11-24 1971-06-15 Siemens Ag Albis Verfahren und Anordnung zur Entfernungsmessung mittels zweier Sende-Empfangsgeräte
US3729736A (en) * 1971-11-08 1973-04-24 Nasa Code regenerative clean-up loop transponder for a {82 -type ranging system
US3984771A (en) * 1975-10-20 1976-10-05 Rca Corporation Accurate digital phase/frequency extractor
US4183022A (en) * 1976-06-03 1980-01-08 Electronique Marcel Dassault Transponder for radiocommunication system, particularly for measuring the distance between two stations
US4041490A (en) * 1976-06-25 1977-08-09 Cubic Corporation Measurement system calibrated to be insensitive to temperature variation induced changes in internal phase shifts present in the system
US4186397A (en) * 1977-09-06 1980-01-29 Board Of Regents For Education Of The State Of Rhode Island Short range precision navigation and tracking system and method therefor

Also Published As

Publication number Publication date
US4454512A (en) 1984-06-12
EP0020115A1 (en) 1980-12-10
EP0020115B1 (en) 1984-03-28
WO1980002601A1 (en) 1980-11-27
JPS56500818A (enExample) 1981-06-18

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee