ANTENNA UNIT FOR NONCONTACT COMMUNICATION AND MOBILE COMMUNICATION DEVICE PROVIDED WITH SUCH ANTENNA UNIT

Title:

ANTENNA UNIT FOR NONCONTACT COMMUNICATION AND MOBILE COMMUNICATION DEVICE PROVIDED WITH SUCH ANTENNA UNIT

Document Type and Number:

WIPO Patent Application WO/2007/015406

Kind Code:

A1

Abstract:

Provided is an antenna unit for noncontact communication, by which a mobile communication device can be thinned, and deterioration of the communication distance characteristics of the antenna for noncontact communication can be suppressed, even when the antenna for noncontact communication, a substrate wiring arranged inside the mobile communication device, a substrate GND and a metallic material of a shield case or the like are adjacently arranged. The antenna unit for noncontact communication is provided with the antenna (9) for noncontact communication and a magnetic shield (11), each of which is arranged on one plane of a substrate (8) for noncontact communication, an electronic component (10) for noncontact communication and a magnetic sheet (12), each of which is arranged on the other plane of the substrate (8). The magnetic sheet (11) and the magnetic sheet (12) are arranged on the substrate (8) so as to separate the antenna (9) from the electronic component (10).

Inventors:

TAKEUCHI HIROKAZU

Application Number:

PCT/JP2006/314808

Publication Date:

February 08, 2007

Filing Date:

July 26, 2006

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD (JP)
TAKEUCHI HIROKAZU

International Classes:

H01Q1/52; G06K19/07; G06K19/077; H01Q1/24; H01Q7/06

Foreign References:

JP2004364199A	2004-12-24
JP2004341895A	2004-12-02
JP2002208814A	2002-07-26
JP2004038552A	2004-02-05
JP2000076399A	2000-03-14
JP2004364199A	2004-12-24
EP1633017A1	2006-03-08

Other References: