Wireless tag determination method, wireless tag...

Details Wireless tag determination method, wireless tag... Wireless tag determination method, wireless tag...

2008-06-11

2010-10-12

Tweel, Jr., John A (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C382S181000

Reexamination Certificate

active

07812727

ABSTRACT:
A system and method for determining a failed wireless tag includes capturing images of articles having wireless tags, recognizing an image including wireless tags from among captured images calculating a number of wireless tags and distance information from the reader to each wireless tag based on the recognized image including wireless tags; changing a read range of the reader based on a location wireless tag having a predetermined distance information from the reader; and changing the read range of the reader when a number of wireless tags read by the reader and a number of wireless tags calculated do not match and determining a failed wireless tag based on the changed read range and distance information calculated.

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