Mobile radio terminal containing two antenna elements

Details Mobile radio terminal containing two antenna elements Mobile radio terminal containing two antenna elements

2006-02-07

2006-02-07

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C455S090300, C455S562100

Reexamination Certificate

active

06995719

ABSTRACT:
The present invention is applied to a mobile radio terminal having an upper body and lower body connected through a hinge mechanism. A first antenna element is disposed near the internal end of the lower body. A second antenna element is disposed between a battery cell within the lower body and the hinge mechanism. The second antenna element has a conductive three-dimensional structure. A radio circuit compares reception levels of the first antenna element and second antenna element and always selects one antenna element having a higher reception level.

REFERENCES:
patent: 5991643 (1999-11-01), Chao-Cheng
patent: 6600450 (2003-07-01), Efanov et al.
patent: 6806835 (2004-10-01), Iwai et al.
patent: 2002/0094789 (2002-07-01), Harano
patent: 2003/0013490 (2003-01-01), Shoji et al.
patent: 2004/0027298 (2004-02-01), Iguchi et al.
patent: 1 211 749 (2002-06-01), None
patent: 1 271 687 (2003-01-01), None
patent: 11-177485 (1999-07-01), None
patent: 2002-261665 (2002-09-01), None
patent: WO 02/054532 (2002-07-01), None

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