发明名称 |
RFID and low resolution CCD sensor based positioning system |
摘要 |
An apparatus and method for measuring a position of a moveable platform comprising a plurality of RFID tags encoded with location information situated at known locations and a plurality of visual markers situated at precise, known locations. An RF reader attached to a moveable platform reads the RFID tags to determine the approximate location of the platform. A camera apparatus attached to the moveable platform scans the visual marker. The scanned image is processed to provide the precise position information of the platform.
|
申请公布号 |
US7600613(B2) |
申请公布日期 |
2009.10.13 |
申请号 |
US20030576836 |
申请日期 |
2003.10.31 |
申请人 |
OTIS ELEVATOR COMPANY |
发明人 |
KANG PENGJU;OH JAE-HYUK;FINN ALAN M.;PENG PEI-YUAN;HOOTSMANS NORBERT A. M. |
分类号 |
B66B1/36;B66B1/34;B66B3/02;G06K |
主分类号 |
B66B1/36 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|