Automated real-time distributed tag reader network
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United States of America Patent
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Nov 30, 2010
Issued Date -
N/A
app pub date -
Feb 3, 2000
filing date -
Nov 21, 1997
priority date (Note) -
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Abstract
A method and system for conducting an inventory of items by a network tag reader, wherein a tag is attached to each item and each tag is permanently assigned a tag identification number (Tag ID). A method according to the present invention includes selecting one of a plurality of remote access sensor modules, where the selected remote access sensor module has a coverage pattern that defines a physical area. The method also includes interrogating tags through the selected remote access sensor module. These tags are within the physical area defined by the coverage pattern. As a result of the interrogating step, the network tag reader receives information regarding these tags. This information is stored in a plurality of inventory records.
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