Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chris Pietrzykowski0
Alan Finn0
Jae-Hyuk Oh0
Pei-Yuan Peng0
Date of Patent
June 2, 2009
0Patent Application Number
105572320
Date Filed
May 15, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A position reference system for use with a conveyance, such as an elevator (12). The system includes a code affixed to or embedded within a suspension device or primary motion coupling such as a rope or coated steel belt (16). A reader (28) in a fixed location determines the position of the conveyance.
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