Methods of processing a wireless communication signal, wireless communication synchronization methods, and a radio frequency identification device communication method
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United States of America Patent
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Jul 10, 2012
Grant Date -
Jun 10, 2010
app pub date -
Dec 3, 2009
filing date -
Oct 2, 2002
priority date (Note) -
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Abstract
In one aspect, a wireless communication device includes an antenna configured to receive electromagnetic energy corresponding to a wireless communication signal outputted using an interrogator and to output electrical energy corresponding to the received electromagnetic energy, communication circuitry coupled with the antenna and configured to sample the electrical energy to process the wireless communication signal, synchronization circuitry coupled with the antenna and the communication circuitry and configured to generate a clock signal to control sampling of the electrical energy using the communication circuitry, wherein the synchronization circuitry is configured to generate a plurality of transitions within the clock signal responsive to a plurality of transitions of the electrical energy during a first data period and wherein the synchronization circuitry is configured to generate a plurality of transitions within the clock signal during a second data period including generating at least one of the transitions independent of transitions of the electrical energy.
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