Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 13, 2009
Patent Application Number
11008173
Date Filed
December 10, 2004
Patent Primary Examiner
Patent abstract
A dog 10 is placed in front of each stop position 8 to notice an overhead running vehicle 20 that ID tag data is to be read. A bar code reader 24 reads the ID tag data to determine the stop position based on a mark reference. The absolute position of an overhead running vehicle 20 with respect to the mark 14 is determined. The overhead running vehicle 20 decelerates and stops at a target position. According to the present invention, the overhead running vehicle 20 can stop without creep running.
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