| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily search a stored article to be searched. <P>SOLUTION: In the case of searching a stored article which is stored with a primary search display machine 2, a search instruction machine 5 sends identification information of a stored article to be searched as a primary search instruction 7 by electric wave from an antenna 6 with an operation of an operator 4, the primary search display machine 2 receives the primary search instruction 7 by the antenna 8 and searches the identification information in a memory device of its own, lights a display lamp 9 in the case that the identification information exists, sends a secondary search instruction 12 by radio from the antenna 8, a secondary search display machine 3 in a primary search region 13 receives the secondary search instruction 12 by an antenna 10 and the secondary search display machine 3 lights a display lamp 11. Thus, if an obstacle 14 exists between the operator 4 and the primary search display machine 2, the operator 4 can easily retrieve the stored article to be searched which is attached to the primary search display machine 2 helped by the secondary search display machine 3 attached to the stored article around the stored article to be searched. <P>COPYRIGHT: (C)2008,JPO&INPIT |
