Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Radar mounted on and controls land vehicle
Patent
1992-06-22
1993-06-15
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Return signal controls external device
Radar mounted on and controls land vehicle
342109, 342130, G01S 1326, G01S 1338
Patent
active
052203310
ABSTRACT:
A continuous-wave radar set is additionally usable as a transmitter for transmitting messages, e.g., voice, data, or control information. Besides a first modulator (SM) which produces a sawtooth or triangular frequency modulation of the radar RF signal, there is an additional modulator (ZM) which modulates the radar RF signal with a useful signal during the flyback, i.e., in a phase in which the signal is not used for radar purposes. To achieve exact synchronization between the two modulators, both modulators are controlled by the same clock generator (T).
REFERENCES:
patent: 4005420 (1977-01-01), McDonald
patent: 4079377 (1978-03-01), zur Heiden et al.
patent: 4301453 (1981-11-01), Neininger et al.
patent: 5014063 (1991-05-01), Studenny
patent: 5072223 (1991-12-01), Hethuin et al.
patent: 5072225 (1991-12-01), Eberhardt et al.
patent: 5134411 (1992-07-01), Adler
No affiliations
Alcatel n.v., The Netherlands
Sotomayor John B.
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