Card device having antenna of two or more different frequencies

Details Card device having antenna of two or more different frequencies Card device having antenna of two or more different frequencies

2005-06-14

2005-06-14

Le, Hoanganh (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S873000

Reexamination Certificate

active

06906670

ABSTRACT:
A wireless card device includes a board member, a processor device attached to the board member, a wireless control device attached to the board member, and coupled to the processor device, and an antenna device disposed on the board member and coupled to the wireless control device. The antenna device includes one extension to receive and transmit signals of a frequency, and another extension to receive and transmit signals of a different frequency. The antenna device may include the extensions extended from the sides of a base member, and may include a conductor arranged around the base member and the extensions.

REFERENCES:
patent: 6762724 (2004-07-01), Peng
patent: 2002/0175866 (2002-11-01), Gram
patent: 2004/0036654 (2004-02-01), Hsieh
patent: 2004/0090373 (2004-05-01), Faraone et al.
patent: 2004/0104850 (2004-06-01), Otaka et al.

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