Wireless communications terminal, communications protocol switching method, communications protocol switching program, and integrated circuit of wireless communications terminal
A wireless communications terminal prevents radio interferences caused by other wireless communications concurrent with a contactless communication. A wireless communications terminal receives, in a contactless communication, a command from a reader/writer via a second wireless communications sectio...
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creator | MATSUSHITA YUKA,MASAKI TADAKATSU,UEDA EIJI |
description | A wireless communications terminal prevents radio interferences caused by other wireless communications concurrent with a contactless communication. A wireless communications terminal receives, in a contactless communication, a command from a reader/writer via a second wireless communications section, and analyzes the received command. The wireless communications terminal controls a wireless communications control section to deactivate or temporarily deactivate the function of a first wireless communications section depending on the analysis of the command. After the function of the first wireless communications section is deactivated or temporarily deactivated, the wireless communications terminal accesses a memory area of an IC card microcomputer system as specified by the command to perform a contactless communication. |
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subjects | CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY HANDLING RECORD CARRIERS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS TELEPHONIC COMMUNICATION TRANSMISSION WIRELESS COMMUNICATIONS NETWORKS |
title | Wireless communications terminal, communications protocol switching method, communications protocol switching program, and integrated circuit of wireless communications terminal |
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