| 摘要 |
PROBLEM TO BE SOLVED: To provide a monitoring device of a liquid storing case capable of liquid level monitoring by arranging a plurality of radio tags. SOLUTION: This device has the liquid storing case including the radio tags installed on a plurality of spots respectively; and a management means for imparting an interrogation radio wave to the plurality of radio tags, and managing the liquid state in the liquid storing case corresponding to a response signal from each radio tag. COPYRIGHT: (C)2006,JPO&NCIPI |
