FR17705E - Appareil destiné à déterminer la direction des ondes sonores et plus généralement de toutes ondes susceptibles d'etre transformées en ondes sonores d'intensité proportionnelle
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Appareil destiné à déterminer la direction des ondes sonores et plus généralement de toutes ondes susceptibles d'etre transformées en ondes sonores d'intensité proportionnelle
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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
G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves
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Computer Networks & Wireless Communication
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Radar, Positioning & Navigation
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Remote Sensing
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FR17705D1912-06-151912-08-20Appareil destiné à déterminer la direction des ondes sonores et plus généralement de toutes ondes susceptibles d'etre transformées en ondes sonores d'intensité proportionnelle
ExpiredFR17705E
(fr)
Appareil destiné à déterminer la direction des ondes sonores et plus généralement de toutes ondes susceptibles d'etre transformées en ondes sonores d'intensité proportionnelle
Appareil destiné à déterminer la direction des ondes sonores et plus généralement de toutes ondes susceptibles d'etre transformées en ondes sonores d'intensité proportionnelle
Appareil destiné à déterminer la direction des ondes sonores et plus généralement de toutes ondes susceptibles d'etre transformées en ondes sonores d'intensité proportionnelle