Radio apparatus with a planar antenna

Details Radio apparatus with a planar antenna Radio apparatus with a planar antenna

2005-09-20

2005-09-20

Wong, Don (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S829000, C343S846000, C343S876000

Reexamination Certificate

active

06946998

ABSTRACT:
A method of changing an antenna pattern in a radio apparatus and a radio apparatus comprising a planar antenna structure with a first and a second plane are provided. In the solution both planes are arranged to act as a radiator plane and as a ground plane and the apparatus comprises means for interchanging the usages of the planes.

REFERENCES:
patent: 5276920 (1994-01-01), Kuisma
patent: 5486836 (1996-01-01), Kuffner et al.
patent: 6255994 (2001-07-01), Saito
patent: 6285893 (2001-09-01), Keirinbou
patent: 2002/0094789 (2002-07-01), Harano
patent: 2004/0041733 (2004-03-01), Milosavljevic
patent: 09247031 (1997-09-01), None
patent: 11008512 (1999-01-01), None
patent: 2002 016433 (2002-01-01), None

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