发明名称 |
SYSTEMS AND METHODS FOR OPERATING A BARRIER |
摘要 |
Disclosed are systems and methods for operating a barrier. In one embodiement, a door operator can be opened or closed by triggering either an internal device (e.g., wall button) or an external device. In one embodiment, if an obstacle is detected when the door is opening or closing, the door will either stop or swing in the reverse direction. In yet a further embodiment, the door operator is implemented using an alternating current (AC) synchronous motor. |
申请公布号 |
WO2005069723(A2) |
申请公布日期 |
2005.08.04 |
申请号 |
WO2005IB01149 |
申请日期 |
2005.01.21 |
申请人 |
TSUI, PHILIP, Y., W.;TSUI, GALLEN, KA-LEUNG |
发明人 |
TSUI, PHILIP, Y., W.;TSUI, GALLEN, KA-LEUNG |
分类号 |
E05B47/00;E05C19/16;E05F15/00;E05F15/10;E05F15/12;E05F15/20 |
主分类号 |
E05B47/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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