Communications: radio wave antennas – Antennas – Antenna with parasitic director
Reexamination Certificate
2007-02-20
2007-02-20
Chen, Shih-Chao (Department: 2821)
Communications: radio wave antennas
Antennas
Antenna with parasitic director
C343S702000, C343S829000, C343S850000
Reexamination Certificate
active
11201789
ABSTRACT:
A smart antenna includes an active antenna element, a passive antenna element laterally adjacent the active antenna element, and an impedance element selectively connectable to the passive antenna element for antenna beam steering. A ground plane includes a center portion adjacent the active antenna element, and first and second arms extending outwardly from the center portion. The first arm is connected to the impedance element, and the second arm is laterally adjacent the first arm.
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Chiang Bing A.
Kadambi Govind R.
Liu Thomas
Lynch Michael J.
Allen Dyer Doppelt Milbrath & Gilchrist, P.A.
Chen Shih-Chao
InterDigital Technology Corporation
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