| 摘要 |
<P>PROBLEM TO BE SOLVED: To surely obtain execution records of patrol performed by patrol at low costs, and to make the records available for persons concerned of patrol task. <P>SOLUTION: A non-contact IC tag having an antenna for transmitting/ receiving a signal, a circuit for receiving a question signal from a questioner, and for transmitting a response signal to the questioner, and a readable/writable storage means is set in the object of periodical patrol, and the question signal and the response signal are transferred with the non-contact IC tag by using a portable questioner at executing patrol in this periodical patrol task management method using the non-contact IC tag. <P>COPYRIGHT: (C)2003,JPO |
