ELECTROMAGNETIC/ULTRASONIC ROLL-CALLING/ANSWERING (EURA) SYSTEM FOR ELEVATOR POSITIONING
摘要
<p>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.</p>
申请公布号
WO2004108574(A1)
申请公布日期
2004.12.16
申请号
WO2003US16936
申请日期
2003.05.30
申请人
OTIS ELEVATOR COMPANY;OH, JAE-HYUK;FINN, ALAN, M.;PENG, PEI-YUAN;HOOTSMANS, NORBERT, A., M.
发明人
OH, JAE-HYUK;FINN, ALAN, M.;PENG, PEI-YUAN;HOOTSMANS, NORBERT, A., M.
