| 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 |
US2007252545(A1) |
申请公布日期 |
2007.11.01 |
| 申请号 |
US20050110427 |
申请日期 |
2005.04.20 |
| 申请人 |
THE CHEMBERLAN GROUP,INC. |
发明人 |
CALLENTINE DONALD R.;JANKOVSKY THOMAS J. |
| 分类号 |
H02P1/00;H02P3/00 |
主分类号 |
H02P1/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
