FR2504683B1 - RADAR DEVICE FOR MEASURING THE DISTANCE FROM WHICH IT SEPARATES FROM AN ANSWERING MACHINE - Google Patents

RADAR DEVICE FOR MEASURING THE DISTANCE FROM WHICH IT SEPARATES FROM AN ANSWERING MACHINE

Info

Publication number
FR2504683B1
FR2504683B1 FR8108175A FR8108175A FR2504683B1 FR 2504683 B1 FR2504683 B1 FR 2504683B1 FR 8108175 A FR8108175 A FR 8108175A FR 8108175 A FR8108175 A FR 8108175A FR 2504683 B1 FR2504683 B1 FR 2504683B1
Authority
FR
France
Prior art keywords
separates
measuring
distance
radar device
answering machine
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
FR8108175A
Other languages
French (fr)
Other versions
FR2504683A1 (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.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Priority to FR8108175A priority Critical patent/FR2504683B1/en
Publication of FR2504683A1 publication Critical patent/FR2504683A1/en
Application granted granted Critical
Publication of FR2504683B1 publication Critical patent/FR2504683B1/en
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
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar

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)
FR8108175A 1981-04-24 1981-04-24 RADAR DEVICE FOR MEASURING THE DISTANCE FROM WHICH IT SEPARATES FROM AN ANSWERING MACHINE Expired FR2504683B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8108175A FR2504683B1 (en) 1981-04-24 1981-04-24 RADAR DEVICE FOR MEASURING THE DISTANCE FROM WHICH IT SEPARATES FROM AN ANSWERING MACHINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8108175A FR2504683B1 (en) 1981-04-24 1981-04-24 RADAR DEVICE FOR MEASURING THE DISTANCE FROM WHICH IT SEPARATES FROM AN ANSWERING MACHINE

Publications (2)

Publication Number Publication Date
FR2504683A1 FR2504683A1 (en) 1982-10-29
FR2504683B1 true FR2504683B1 (en) 1985-08-09

Family

ID=9257743

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8108175A Expired FR2504683B1 (en) 1981-04-24 1981-04-24 RADAR DEVICE FOR MEASURING THE DISTANCE FROM WHICH IT SEPARATES FROM AN ANSWERING MACHINE

Country Status (1)

Country Link
FR (1) FR2504683B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2565372B1 (en) * 1984-05-29 1987-09-18 Trt Telecom Radio Electr DISTANCE MEASUREMENT TERMINAL GUIDANCE OR LOCALIZATION SYSTEM FOR AIRCRAFT
FR2565355B1 (en) * 1984-05-29 1987-05-15 Trt Telecom Radio Electr TERMINAL GUIDANCE OR POSITION ALIGNMENT SYSTEM FOR AIRCRAFT BY MEASUREMENTS OF DISTANCE AND ANGLE

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB522890A (en) * 1938-11-30 1940-07-01 Ernest George Wild Improved electrical apparatus for aeroplanes for indicating height as well as distance of solid objects in the plane's path
US2470787A (en) * 1944-05-04 1949-05-24 Paul W Nosker System for determining the position or path of an object in space
DE886252C (en) * 1944-12-22 1953-08-13 Blaupunkt Elektronik G M B H Method for self-steering a body towards a reflector
US2995746A (en) * 1952-11-25 1961-08-08 Sperry Rand Corp Radar system with altitude ambiguity resolver
US3141161A (en) * 1959-05-11 1964-07-14 United Aircraft Corp Calibrated radar altitude control which compensates for changes in ground reflectivity
GB1272402A (en) * 1968-08-21 1972-04-26 Pye Limied Radar installation
US3836966A (en) * 1972-10-05 1974-09-17 Us Navy Dual mode radar system
US4063240A (en) * 1976-08-25 1977-12-13 Sperry Rand Corporation Electronic docking system

Also Published As

Publication number Publication date
FR2504683A1 (en) 1982-10-29

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Legal Events

Date Code Title Description
ST Notification of lapse