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Patent Searching and Data


Title:
COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/035284
Kind Code:
A1
Abstract:
A communication device of the present disclosure is provided with: an antenna unit which includes a first electrode and a second electrode, at least one among the first electrode and the second electrode including a plurality of divided electrodes; a communication circuit unit which is connected to the antenna unit and performs a transmission operation and a reception operation of transmission data through the antenna unit with a communicated device according to a communication protocol including a plurality of communication steps; a switching unit which switches whether each of the plurality of divided electrodes is connected to the communication circuit unit so that an effective electrode area of at least one among the first electrode and the second electrode is changed; and a control unit which changes the effective electrode area of at least one among the first electrode and the second electrode by the switching unit on the basis of at least one among the operation of the communication circuit unit, a type of transmission data, and the communication steps.

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Inventors:
AKIYAMA KEIJI (JP)
NISHIYAMA FUMIHIRO (JP)
Application Number:
PCT/JP2018/025467
Publication Date:
February 21, 2019
Filing Date:
July 05, 2018
Export Citation:
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Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
H04B13/00
Foreign References:
JP2010177767A2010-08-12
JP2011199472A2011-10-06
JP2012034157A2012-02-16
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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