Flat antenna, antenna unit and broadcast reception terminal...

Details Flat antenna, antenna unit and broadcast reception terminal... Flat antenna, antenna unit and broadcast reception terminal...

2006-09-19

2006-09-19

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

With coupling network or impedance in the leadin

C343S7000MS, C343S702000

Reexamination Certificate

active

07109945

ABSTRACT:
There is provided a flat antenna that includes a feed conductor, and at least one non-feed conductor positioned on either one side or both sides of the feed conductor depending on the required reception band. Thus, a flat antenna that is capable of receiving television broadcast can be miniaturized. In addition, a matching circuit that is so configured that the resonant frequency of the flat antenna is made variable is provided integrally. Through this matching circuit, the resonant frequency of the flat antenna can be varied so as to correspond to the desired reception channel.

REFERENCES:
patent: 5699071 (1997-12-01), Urakami et al.
patent: 6650294 (2003-11-01), Ying et al.
patent: 6670924 (2003-12-01), Shoji et al.
patent: 2002/0075186 (2002-06-01), Hamada et al.
patent: 2002-252516 (2002-09-01), None

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