发明名称 |
Method and apparatus for providing information from a speed and direction sensor |
摘要 |
A method and apparatus for providing information from a speed and direction sensor is disclosed. The method and apparatus detect the presence of a ferromagnetic object as it moves past a sensor. The sensor determines speed and direction information regarding the ferromagnetic object, and further provides information relating to the environment surrounding the sensor or object, such as the status of an air gap between the sensor and the moving object, and the temperature of the environment in which the sensor or object is disposed.
|
申请公布号 |
US7026808(B2) |
申请公布日期 |
2006.04.11 |
申请号 |
US20040948808 |
申请日期 |
2004.09.23 |
申请人 |
ALLEGRO MICROSYSTEMS, INC. |
发明人 |
VIG RAVI;TOWNE JAY M.;FORREST GLENN |
分类号 |
G01P3/66;G01P13/00;G01B7/14;G01D5/14;G01D5/244;G01P3/488;G01R33/02;G01R33/07;H03K5/08 |
主分类号 |
G01P3/66 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|