| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a technology of preventing a water tank replacement counter from being erroneously counted and properly managing the amount of water remaining in a water server when a new water tank is placed or a collision occurs. <P>SOLUTION: The system 10 for managing the amount of water remaining in a water server includes a water remaining amount management device 20 for managing a state of use of a water server 14 and a call center 80 which manages delivery of a water tank 12 for replacement, and is connected to each other by a communication network 90. On the water remaining amount management device 20, the water server 14 is placed. The water remaining amount management device 20 grasps the state of use such as the remaining amount or the like in the water tank 12 attached to the water server 14 on the basis of the load and, when the delivery of an additional water tank 12 is required, transmits the information to the call center 80 through the communication network 90. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
