Radio frequency identification based sensor
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United States of America Patent
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May 26, 2009
Grant Date -
Jun 19, 2008
app pub date -
Oct 31, 2007
filing date -
Dec 22, 2000
priority date (Note) -
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Abstract
A radio frequency (RF) addressable sensor includes one or more sensor elements, a sensor interface having an analog to digital converter coupled to the one or more sensor elements, at least one antenna, an RF power and communications interface coupled to the at least one antenna and the sensor interface, a controller coupled to the RF power and communications interface and the sensor interface, and a memory coupled to the controller and the sensor interface, wherein the memory is configured to store a tag identification number. The RF addressable sensor communicates with a wireless device that is coupled to a communications network. The wireless device communicates with the RF addressable sensor to obtain sensor data for transmission over the communications network. The sensor interface includes a memory, which includes a sensor data table. The sensor data table includes sensor processing information.
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