发明名称 |
Blocked door detection for an elevator system |
摘要 |
A method for detecting if an elevator door is blocked comprises the steps of: initiating a movement of the elevator door; starting a timer count upon the initiation of the movement of the door; determining if the timer count has expired before a door position reference switch is actuated; and determining that the elevator door is blocked if the timer count has expired before the door position reference switch is actuated.
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申请公布号 |
US5841083(A) |
申请公布日期 |
1998.11.24 |
申请号 |
US19960769015 |
申请日期 |
1996.12.18 |
申请人 |
OTIS ELEVATOR COMPANY |
发明人 |
SCHOENAUER, UWE;SCHROEDER-BRUMLOOP, HELMUT L. |
分类号 |
E05F1/16;B66B13/14;B66B13/26;E05F3/00;(IPC1-7):B66B13/14 |
主分类号 |
E05F1/16 |
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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