| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a search device of a portable storage device capable of searching for a plurality of object articles in a specific group by one-time search information transmission, and confirming easily battery death on the receiving device side and existence of a failure. <P>SOLUTION: An ID code for specifying an inputted desired radio tag 105, a command for showing which operation is to be designated from information, read and write, and a user registration ID edited for registration when write is designated, and the like are modulated by a modulation/demodulation circuit 303 in this search device 101, and a modulated signal is transmitted from an antenna 301 via a transmitting/receiving circuit 302 in the search device 101. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
