Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver
Patent
1999-09-01
2000-09-19
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Directive
Beacon or receiver
342374, 455 83, G01S 504
Patent
active
061219258
ABSTRACT:
The data-link and antenna selection assembly combines a group of conformal ntenna arrays with radio frequency (RF) detection, control and switching circuitry to provide up to 360 degrees of azimuth coverage for an aerial or terrestrial vehicle. The signal monitoring comprises signal detection and determination of signal frequency and strength. These are input to a switching controller which selects the best receive path and transmit path as a function of received signal frequency and strength. Use of conformal antenna arrays eliminates the requirement for cumbersome mechanical positioners.
REFERENCES:
patent: 3568207 (1971-03-01), Boyns et al.
patent: 4451831 (1984-05-01), Stangel et al.
patent: 4545071 (1985-10-01), Freeburg
patent: 4604626 (1986-08-01), Stromswold
patent: 5617102 (1997-04-01), Prater
patent: 5841816 (1998-11-01), Dent et al.
patent: 6006113 (1999-12-01), Meredith
Bush Freddie M.
Chang Hay Kyung
Phan Dao L.
Tarcza Thomas H.
The United States of America as represented by the Secretary of
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