Patent ID: 8985451
Filing Date: 2015-03-24
Classification: G06K

Abstract:
1. A communication apparatus for performing communication in a noncontact manner, the communication apparatus comprising: a processor; and a memory device storing instructions which when executed by the processor, cause the processor to: (a) wirelessly transmit a command packet to an IC card, the command packet: (b) start the timeout period during which a receiver in the communication apparatus is enabled to receive data; (c) determine whether the timeout period has elapsed; (d) retransmit the command packet only after the timeout period has elapsed; (e) determine whether data received within the timeout period includes: (f) in response to a first determination that the data received within the timeout period: (i) does not include the error; and (ii) includes the second data, (g) in response to a second determination that the data received within the timeout period: (i) includes the error; and (ii) the timeout period has not elapsed: