Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alan M. Finn0
Jae-Hyuk Oh0
Norbert A. M. Hootsmans0
Pei-Yuan Peng0
Pengju Kang0
Date of Patent
October 13, 2009
Patent Application Number
10576836
Date Filed
October 31, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
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.
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