Radio frequency tagging for indicia printing and product information
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United States of America Patent
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Sep 19, 2006
Issued Date -
N/A
app pub date -
Dec 19, 2003
filing date -
Dec 19, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for detecting a level of a content in a vessel using an RFID tag. In one embodiment, an RFID tag located on one side of the vessel opposite a side on which the reader is, is interrogated. A reply signal, if any, received from the RFID tag is interpreted to determine the information returned from the RFID tag. The level of the content in the vessel is determined based on the information received from the RFID tag.
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