发明名称 |
Environmental hazard sensor |
摘要 |
An apparatus for sensing a constituent in an environment including a sensor circuit and a suppression circuit. The sensor circuit has a sensor element and an operating state control element. The sensor element senses the constituent by presenting an electrical parameter which varies as a function of a degree of the constituent. The control element maintains the sensor at a preferred operating state. A detected electrical parameter of said sensor element is subject to error resulting from a leakage of electrical current between the control element and the sensor element. The suppression circuit reduces or stops the leakage to reduce the error.
|
申请公布号 |
US7726177(B2) |
申请公布日期 |
2010.06.01 |
申请号 |
US20070715252 |
申请日期 |
2007.03.06 |
申请人 |
DETECTOR ELECTRONICS CORPORATION |
发明人 |
SCHLESINGER MORTON LEE;YOUNG ANTHONY CHARLES;KING JOHN DEE |
分类号 |
G01N19/10 |
主分类号 |
G01N19/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|