Foldable portable radio device

Details Foldable portable radio device Foldable portable radio device

2005-12-09

2010-02-09

Wimer, Michael C (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S795000, C343S846000, C343S876000, C455S575700

Reexamination Certificate

active

07659855

ABSTRACT:
Regardless of a user's hand holding condition, it is possible to obtain excellent antenna performance in both of folded and unfolded calling conditions.A folder type mobile radio apparatus includes an upper case1301having a first antenna element made of a metal plate1305, a lower case1302having a second antenna element made of a circuit board102, a hinge portion1303pivotably connecting the upper and lower cases1301and1302, a first circuit board101having a ground pattern provided in an end side near the hinge portion1303in the lower case, an antenna switching unit103for selecting one of a first feed means for feeding the first antenna element for the radio circuit1314on the first circuit board101or a second feed means for feeding the second antenna element.

REFERENCES:
patent: 7225004 (2007-05-01), Saito et al.
patent: 2003-158468 (2003-05-01), None
patent: 2003-283621 (2003-10-01), None
patent: 2004-056426 (2004-02-01), None
patent: 2004-064302 (2004-02-01), None
patent: 2004-134976 (2004-04-01), None
patent: 2004-179995 (2004-06-01), None
patent: 2004-208219 (2004-07-01), None
patent: 2004-229048 (2004-08-01), None
patent: 2004-242005 (2004-08-01), None
patent: 2005-039696 (2005-02-01), None

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