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Title:
RADIO COMMUNICATION DEVICE
Document Type and Number:
Japanese Patent JP2013226039
Kind Code:
A
Abstract:

To provide a radio communication device that makes its battery charged simply and easily, and that can transmit and receive individual information without replacement work of the battery due to battery consumption.

A radio communication device comprises a plurality of antenna circuits and a plurality of batteries which are electrically connected to the plurality of antenna circuits via respective switches. The plurality of batteries are electrically connected to the different circuits respectively. The plurality of antenna circuits receive radio waves, and thus the plurality of batteries electrically connected to the plurality of antenna circuits are charged. At least one of the plurality of antenna circuits is configured to receive a radio wave with a different frequency.


Inventors:
SATO TAKENAO
NAGATA TAKESHI
Application Number:
JP2013102233A
Publication Date:
October 31, 2013
Filing Date:
May 14, 2013
Export Citation:
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Assignee:
SEMICONDUCTOR ENERGY LAB
International Classes:
H04W52/00; G06K19/07; H02J7/00; H02J50/00; H02J50/10; H02J50/20; H02J50/40; H04B1/59; H04B5/02



 
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