发明名称 |
Drive motor reversal for a barrier operator or the like |
摘要 |
Methods and apparatus for reversing a drive motor for a barrier movement operator are disclosed. The operator senses the nature of a request for reversal and based on the nature of the sensed request performs one of a plurality of processes to reverse the motor.
|
申请公布号 |
US7525265(B2) |
申请公布日期 |
2009.04.28 |
申请号 |
US20050110427 |
申请日期 |
2005.04.20 |
申请人 |
THE CHAMBERLAIN GROUP, INC. |
发明人 |
CALLENTINE DONALD R.;JANKOVSKY THOMAS J. |
分类号 |
H02P3/26 |
主分类号 |
H02P3/26 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|