COMPOSITE ANTENNA AND PORTABLE TERMINAL USING SAME

Title:

COMPOSITE ANTENNA AND PORTABLE TERMINAL USING SAME

Document Type and Number:

WIPO Patent Application WO/2007/055232

Kind Code:

A1

Abstract:

Provided is a composite antenna which has reduced sizes while sufficiently ensuring electrical isolation between an antenna and other antennas. A composite antenna (100) is provided with a ground (1), a first feed point (2) connected with the ground (1); a first conductor (4) which is connected with the first feed point (2) and is line-symmetrically arranged with respect to an axis (3); a second conductor (5) which is connected with the first conductor (4) and is line-symmetrically arranged with respect to the axis (3); a second feed point (6) arranged on the axis (3); a third conductor (7) for connecting the second feed point (6) with the second conductor (5); and a fourth conductor (8) which connects the second feed point (6) with the second conductor (5) and is line-symmetrically arranged with the third conductor (7) with respect to the axis (3).

Inventors:

FUKUSHIMA SUSUMU
SAKO MOTOHIKO

Application Number:

PCT/JP2006/322254

Publication Date:

May 18, 2007

Filing Date:

November 08, 2006

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD (JP)
FUKUSHIMA SUSUMU
SAKO MOTOHIKO

International Classes:

H01Q1/52; H01Q7/00; H01Q9/24; H01Q9/28; H01Q9/40; H01Q19/00

Foreign References:

JP2002359515A	2002-12-13
JP2000059129A	2000-02-25
JPS49127545A	1974-12-06
JP2003142935A	2003-05-16
JP2003298340A	2003-10-17

Other References: