Communications: directive radio wave systems and devices (e.g. – Presence detection only
Patent
1991-09-30
1994-05-24
Tubbesing, T. H.
Communications: directive radio wave systems and devices (e.g.,
Presence detection only
342200, G01S 1304
Patent
active
053153030
ABSTRACT:
A compact radar sensor is provided. A monolithic millimeter wave integrated circuit (MMIC) transceiver is provided having a transmitter for transmitting a frequency modulated signal and a receiver for receiving reflected signals thereof. A microstrip patch antenna is provided for transmitting signals within a desired field and receiving the reflected signals from objects therein. A digital signal processor is further provided for analyzing the received signal and providing output signals therefrom.
REFERENCES:
patent: 4277763 (1981-07-01), Ward, Jr.
patent: 4893126 (1990-01-01), Evans
patent: 5008678 (1991-04-01), Herman
patent: 5072223 (1991-12-01), Hethuin et al.
Im Catherine L.
Lacon Martin M.
Shreve Gregory A.
Tsou Hsi-Shen E.
Schivley G. Gregory
TRW Inc.
Tubbesing T. H.
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