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.)
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Office National dEtudes et de Recherches Aerospatiales ONERA
Original Assignee
Office National dEtudes et de Recherches Aerospatiales ONERA
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Application filed by Office National dEtudes et de Recherches Aerospatiales ONERAfiledCriticalOffice National dEtudes et de Recherches Aerospatiales ONERA
Application grantedgrantedCritical
Publication of FR1102515ApublicationCriticalpatent/FR1102515A/fr
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
G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
G01S3/14—Systems for determining direction or deviation from predetermined direction
FR1102515D1954-04-051954-04-05Perfectionnements aux systèmes de radio-alignement
ExpiredFR1102515A
(fr)