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Thales SA
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Le Materiel Telephonique Thomson CSF
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Publication of FR794312ApublicationCriticalpatent/FR794312A/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
G01S3/04—Details
G01S3/08—Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems
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Engineering & Computer Science
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Radar, Positioning & Navigation
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Remote Sensing
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FR794312D1934-11-201934-11-20Perfectionnements aux appareils sensibles à la direction de propagation des ondes électro-magnétiques
ExpiredFR794312A
(fr)
Perfectionnements aux appareils enregistreurs particulièrement applicables à l'enregistrement de profondeurs et de distances trouvées par sondage à écho