| 摘要 |
PROBLEM TO BE SOLVED: To perform data communication at a high speed even when authentication processing is performed under a status of restricted electric power.SOLUTION: The portable radio apparatus 11 includes: power reception section 2 that wirelessly receives electric power; a first communication section 3 that sequentially performing information transmission, standby processing, information reception and internal processing for authentication processing using received power; a second communication section 4 that performs wireless communication for data communication during authentication processing using received power; and a communication control section 5 that controls to perform data communication with the second communication section within a period until information reception for authentication processing is completed after information transmission for authentication processing with the first communication section is started. |
