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Leroy Lajoux & Cie Soc
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Leroy Lajoux & Cie Soc
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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
G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
G01S11/023—Systems for determining distance or velocity not using reflection or reradiation using radio waves using impedance elements varying with distance
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Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
General Physics & Mathematics
(AREA)
Radar, Positioning & Navigation
(AREA)
Remote Sensing
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Geophysics And Detection Of Objects
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GB1814/25A1924-01-211925-01-21A method of and apparatus for detecting the proximity of the ground for the use of aircraft
ExpiredGB228167A
(en)
Einrichtung zur modulationsmässigen Beeinflussung der Resonanzfrequenz eines über einen Frequenzbereich in seiner Abstimmung regelbaren elektrischen Schwingungskreises.