发明授权
US06860065B2 Remote release for a movable barrier arrangement 有权
远程释放可移动的屏障布置

Remote release for a movable barrier arrangement
摘要:
A system for decoupling a barrier from a barrier movement apparatus for the manual operation of the barrier. Advantageously, the decoupling is performed in response to a wireless signal and may be done only when the barrier is determined to be in a safe position.
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