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
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