Antenna apparatus for portable terminal

Details Antenna apparatus for portable terminal Antenna apparatus for portable terminal

2007-10-16

2007-10-16

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S846000

Reexamination Certificate

active

11186661

ABSTRACT:
Disclosed is an antenna apparatus for a portable terminal which has a variable movement antenna apparatus variably moving a position of a ground surface of an antenna. A sliding type portable terminal includes a body housing, a sliding housing slidably moved to and from the body housing; built-in antenna provided in the body housing; and a variable movement antenna apparatus variably moving a position of a ground surface by separating the ground surface of the antenna and by slidably moving the separated ground surface in the lengthwise direction of the body housing so as to be closer to and farther away from the body housing.

REFERENCES:
patent: 6542125 (2003-04-01), Hoffmeister et al.
patent: 7012571 (2006-03-01), Ozkar et al.
patent: 2002/0000941 (2002-01-01), Johnson
patent: 1 111 712 (2001-06-01), None
patent: WO98/56066 (1998-12-01), None

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