Methods and apparatus for preserving privacy in an RFID system
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United States of America Patent
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Apr 29, 2014
Issued Date -
N/A
app pub date -
Jan 8, 2013
filing date -
Jan 31, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A card comprises an antenna configured to generate and receive radio frequency signals, a chip coupled with the antenna, the chip configured to store sensitive information and communicate the information to an authorized reader via the antenna, and a switching mechanism configured to tune and detune the antenna relative to the chip to enable and disable respectively, the chips ability to communicate the sensitive information via the antenna.
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