SAW identification tag discrimination methods

Registers – Systems controlled by data bearing records

Reexamination Certificate

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C310S31300R

Reexamination Certificate

active

10941801

ABSTRACT:
Surface acoustic wave (SAW) identification tag discrimination methods including, in one embodiment (1) detecting a signal emanating from an electronic device operating within a SAW tag frequency band; (2) identifying a null period in a transmission pattern in the signal; and (3) effecting communication of information during the null period.

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