Wireless GPS apparatus with integral antenna device

Details Wireless GPS apparatus with integral antenna device Wireless GPS apparatus with integral antenna device

2005-02-08

2005-02-08

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S793000, C343S895000

Reexamination Certificate

active

06853338

ABSTRACT:
A wireless apparatus includes an electrically conductive casing housing a ground plane and GPS receiver circuitry. The casing is electrically connected to the ground plane to form a first antenna element. The apparatus further includes a second antenna element located external the casing. The second antenna element may be configured as a wire filament in the form of a copper trace carried by a printed circuit board. The second antenna element is electrically coupled to the first antenna element and the GPS receiver circuitry. The first antenna element and second antenna element are configured and disposed relative to each other to form an antenna for receiving GPS signals.

REFERENCES:
patent: 5831577 (1998-11-01), Nichols et al.
patent: 6023245 (2000-02-01), Gomez et al.
patent: 6166698 (2000-12-01), Turnbull et al.
patent: 6545642 (2003-04-01), Doub et al.
patent: 6593897 (2003-07-01), McConnell

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