COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD

A communication device of the present disclosure includes: an antenna including a first electrode and a second electrode, in which at least one of the first electrode or the second electrode includes a plurality of segmented electrodes; a communication circuit that is coupled to the antenna, and per...

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Bibliographic Details
Main Authors NISHIYAMA, FUMIHIRO, AKIYAMA, KEIJI
Format Patent
LanguageEnglish
Published 28.05.2020
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
WIRELESS COMMUNICATIONS NETWORKS
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Summary:A communication device of the present disclosure includes: an antenna including a first electrode and a second electrode, in which at least one of the first electrode or the second electrode includes a plurality of segmented electrodes; a communication circuit that is coupled to the antenna, and performs, through the antenna, a transmission operation and a reception operation of transmission data between a device to be communicated and the communication circuit, in accordance with a communication protocol that includes a plurality of communication stages; a switch that switches whether or not each of the plurality of segmented electrodes is to be coupled to the communication circuit, to change effective electrode area of at least one of the first electrode or the second electrode; and a controller that changes the effective electrode area of at least one of the first electrode or the second electrode by the switch, on the basis of at least one of the operations of the communication circuit, a type of the transmission data, or the communication stages.
Bibliography:Application Number: US201816636685