发明名称 |
Water metering system |
摘要 |
<p>A monitoring unit determines the commencement of water through a water supply pipe of at least one water device e.g. sink, conclusion of water flow and flow duration. A processing unit calculates the cost for usage of water, by multiplying the flow duration accumulated in a preset time period with water cost per unit of flow duration.</p> |
申请公布号 |
EP1411329(A2) |
申请公布日期 |
2004.04.21 |
申请号 |
EP20030256266 |
申请日期 |
2003.10.03 |
申请人 |
SMITH, WADE W.;SAAR, DAVID A. |
发明人 |
SMITH, WADE W.;SAAR, DAVID A. |
分类号 |
G01D4/00;G01F15/075;(IPC1-7):G01F15/075 |
主分类号 |
G01D4/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|