Communications: directive radio wave systems and devices (e.g. – Directive – Including antenna orientation
Reexamination Certificate
2007-06-12
2007-06-12
Phan, Dao L. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including antenna orientation
C342S074000
Reexamination Certificate
active
11317586
ABSTRACT:
An antenna system electronically searches for a satellite signal by beginning at the current pointing angle of an antenna. The antenna system sweeps a tuner frequency of the receiver by electronically commanding the receiver to tune to different transponder frequencies. By scanning through transponder frequencies, the antenna system can locate a satellite signal without mechanical movement. As a result, the satellite signal can be acquired more quickly than in some conventional systems.
REFERENCES:
patent: 4599619 (1986-07-01), Keigler et al.
patent: 4630058 (1986-12-01), Brown
Fall Terrence L.
Hules Frank J.
Delphi Technologies Inc.
Funke Jimmy L.
Phan Dao L.
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