| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a response control method for an information tag that resists a data analysis. <P>SOLUTION: If a command analysis of a received command is impossible, if a sequence error occurs or if a command error occurs, a CPU 1 of an RFID tag 10 sets a response length from a table of random numbers prepared in a ROM 2 and creates response data from the table of random numbers to execute response transmission processing. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
