Methods and apparatus for managing location information for movable objects
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United States of America Patent
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Jan 7, 2014
Grant Date -
May 2, 2013
app pub date -
Dec 20, 2012
filing date -
Dec 14, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Systems and techniques for locating stored goods. A plurality of fixed contactless identification devices are deployed in an area. Each fixed device exhibits a fixed device identifier that can be read from a distance. Locations within the area are identified through mapping to combinations of fixed device identifiers detected at the location. In addition, a plurality of movable contactless identification devices are associated with goods to be stored and retrieved. Each movable device exhibits a movable device identifier, and movable contactless identification devices are located by identifying a combination of fixed device identifiers received when a movable device identifier is received. The location information may be used independently, or as a supplement to expected location information obtained through other means.
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