Selectively enabled electronic tags
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United States of America Patent
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-
Dec 28, 1999
Grant Date -
N/A
app pub date -
Sep 10, 1998
filing date -
Sep 10, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electronic tag has a processor, a readable memory for holding an identification number connected to the processor, and an antenna connected to the processor for radiofrequency broadcasting of the identification number. A power supply powers the antenna to broadcast the identification number. A user selectively controls operation or non-operation of the electronic tag by switching an interconnect switch on or off. The interconnect switch permits interconnects the processor, readable memory, antenna, and power supply to selectively allow radiofrequency broadcasting of the identification number. Bitwise communication to a tag reader using only a passive electronic tag is possible.
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