Communications: radio wave antennas – Antennas – With electrical shield
Reexamination Certificate
2011-08-23
2011-08-23
Nguyen, Hoang V (Department: 2821)
Communications: radio wave antennas
Antennas
With electrical shield
C343S851000
Reexamination Certificate
active
08004473
ABSTRACT:
An antenna device includes a pair of antennas and an isolating unit. The antennas have the same operating frequency. The isolating unit is disposed between the antennas, and includes an LC circuit that has a resonant frequency, which is the same as the operating frequency of the antennas, thereby improving isolation between the antennas.
REFERENCES:
patent: 6297711 (2001-10-01), Seward et al.
patent: 2008/0062058 (2008-03-01), Bishop
Chi-Yuk Chiu et al., “Reduction of Mutual Coupling Between Closely Packed Antenna Elements”, IEEE Transactions on Antennas and Propagation, vol. 55, No. 6, Jun. 2007, pp. 1732-1738.
Chung Shyh-Jong
Lin Ming Ta
Tsai Chih Hung
Bent Stephen A.
Foley & Lardner LLP
Nguyen Hoang V
REALTEK Semiconductor Corp.
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