发明授权
US07493991B2 Electromagnetic/ultrasonic roll-calling/answering (EURA) system for elevator positioning
失效
用于电梯定位的电磁/超声波滚动呼叫/应答(EURA)系统
- 专利标题: Electromagnetic/ultrasonic roll-calling/answering (EURA) system for elevator positioning
- 专利标题(中): 用于电梯定位的电磁/超声波滚动呼叫/应答(EURA)系统
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申请号: US10557088申请日: 2003-05-30
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公开(公告)号: US07493991B2公开(公告)日: 2009-02-24
- 发明人: Jae-Hyuk Oh , Alan M. Finn , Pei-Yuan Peng , Norbert A. M. Hootsmans
- 申请人: Jae-Hyuk Oh , Alan M. Finn , Pei-Yuan Peng , Norbert A. M. Hootsmans
- 申请人地址: US CT Farmington
- 专利权人: Otis Elevator Company
- 当前专利权人: Otis Elevator Company
- 当前专利权人地址: US CT Farmington
- 代理机构: Bachman & Lapointe, P.C.
- 国际申请: PCT/US03/16936 WO 20030530
- 国际公布: WO2004/108574 WO 20041216
- 主分类号: B66B1/34
- IPC分类号: B66B1/34
摘要:
A positioning system for an elevator cab (37) includes transponder modules (10) having a unique ID for receiving a signal (39) and emitting an ultrasonic signal when the signal is equivalent to the unique ID with a determination of position based on the time duration of the signals.
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