METHOD AND STRUCTURE FOR LOCALIZING OBJECTS USING DAISY CHAINED RFID TAGS
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United States of America Patent
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N/A
Issued Date -
Nov 8, 2007
app pub date -
Mar 20, 2007
filing date -
Apr 12, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A Radio Frequency Identification (RFID) structure. The RFID structures includes a tag stack of N essentially identical RFID tags and an object stack of N essentially identical objects. N is at least 2. Each tag is attached to a corresponding object and includes an electronic chip, an antenna, and at least one pair of electrical contacts. The N tags are daisy chained together in electrical contact via the at least one pair of electrical contacts in the tags. The tag stack is configured to receive power from an external power source located outside of the RFID structure. A method for localizing an object in the object stack includes receiving an external signal in each tag via the antenna, and enabling or not enabling a lighting of a lighting device in each tag in dependence upon data in the external signal.
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