RFID tag sensitivity
1 Assignment
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Accused Products
Abstract
Systems, methods, or computer program products may collect information about the performance of individual RFID tags. In particular, signal strength and/or signal sensitivity of individual RFID tags may be measured and the resulting performance information may be stored in a data repository. In the data repository, the performance information for an individual tag may be associated with an identifier that is uniquely associated with the tag. In one exemplary embodiment, the performance information may be used by an on-line system configured to automatically determine the performance margin with which RFID tags are being read in an RFID system, or to automatically tune the RFID system to achieve a desired performance margin.
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Citations
23 Claims
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1-13. -13. (canceled)
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14. A computer program product (CPP) tangibly embodied in an information carrier, the computer program product comprising instructions that, when executed, cause a device to perform operations to determine the sensitivity of a radio frequency identification (RFID) tag, the operations comprising:
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measure the sensitivity of a tag by stimulating the tag with radio frequency (RF) signals at least once at each of a plurality of field strengths and attempting to read the tag at each of the plurality of field strengths;
store one or more values that represent the measured sensitivity in an information repository separate from the tag; and
associate the stored values with an identifier that is uniquely associated with the tag. - View Dependent Claims (21, 22, 23)
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15-20. -20. (canceled)
Specification