FR1585002A - - Google Patents

Info

Publication number
FR1585002A
FR1585002A FR1585002DA FR1585002A FR 1585002 A FR1585002 A FR 1585002A FR 1585002D A FR1585002D A FR 1585002DA FR 1585002 A FR1585002 A FR 1585002A
Authority
FR
France
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1585002A publication Critical patent/FR1585002A/fr
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
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/756—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using a signal generator for modifying the reflectivity of the reflector

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR1585002D 1968-04-04 1968-04-04 Expired FR1585002A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR146953 1968-04-04

Publications (1)

Publication Number Publication Date
FR1585002A true FR1585002A (it) 1970-01-09

Family

ID=8648575

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1585002D Expired FR1585002A (it) 1968-04-04 1968-04-04

Country Status (3)

Country Link
DE (1) DE1913610A1 (it)
FR (1) FR1585002A (it)
NL (1) NL6904971A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214248A (en) * 1978-06-22 1980-07-22 Sperry Corporation Transreflector scanning antenna

Also Published As

Publication number Publication date
NL6904971A (it) 1969-10-07
DE1913610A1 (de) 1969-10-30

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Legal Events

Date Code Title Description
ST Notification of lapse