電子機器 - Kyocera Corporation

Title:

電子機器

Document Type and Number:

Japanese Patent JP4722774

Kind Code:

B2

Abstract:

To provide electronic equipment for stably achieving radio communication using an electromagnetic field, and for achieving the miniaturization of a case body.

This portable telephone set 1 to be close to a reader/writer RW for performing radio communication using an electromagnetic field is provided with: a transmission case body 3 having a back face 3a arranged opposite to the reader/writer RW in performing communication; a battery 27 stored in the transmission case body 3 facing the inside face of the back face 3a; an antenna 26 arranged opposite to the inside face of the back face 3a for revolving around the battery 27; an IC module 29 connected to the antenna 26 for performing communication through the antenna 26; and a magnetic sheet 28 spread between the inside face of the back face 3a and the battery 27, and extended from a gap between the inside face and the battery 27 to a gap between the battery 27 and the antenna 26.

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Inventors:

Yasuhiro Ueno
Makoto Takahashi
Masayoshi Nakajima

Application Number:

JP2006169328A

Publication Date:

July 13, 2011

Filing Date:

June 19, 2006

Export Citation:

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Assignee:

Kyocera Corporation

International Classes:

G06K19/07; G06K19/077; H01Q1/24; H01Q7/06; H04B1/3822; H04B1/40; H04B1/59; H04B5/02; H04M1/00

Domestic Patent References:

JP2004227046A
JP8049456A
JP2005269537A
JP2006005836A
JP2005236586A
JP2005236585A
JP2005234827A
JP2005080023A
JP2006129003A
JP2005217946A
JP10107531A

Attorney, Agent or Firm:

Takahisa Sato

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