To provide a communication method, a communication system and a reader/writer, for generating an error check code in a computer so as to improve the reliability of communication between the computer and a non-contact tag.
This communication method is a communication method among an ID tag 3 that is the non-contact tag, the reader/writer 2 wirelessly communicating with the ID tag 3, and the computer 1 communicably connected with the reader/writer 2. It has in the computer 1 a step for generating the error check code on the basis of transmission data, and a step for transmitting the error check code and the transmission data to the reader/writer 2 from the computer 1. It further has in the reader/writer 2 a step for receiving the error check code and the transmission data, and transmitting them to the ID tag 3. It furthermore has in the ID tag 3 a step for receiving the error check code and the transmission data, and executing an error check.
WATANABE HIROTO
NAGAI NOBUYUKI
Next Patent: COMMUNICATION METHOD AND SYSTEM USING NON-CONTACT TAG, AND READER/WRITER