Description: Diagram is to read multiple tags simultaneously an example. Assume that labels are passive, that is, it is passive. The figure, a reader at the same time read (interrogate) a set of tags, readers, including a transmitter, which transmit a read signal to the labels for the label to provide energy to activate the tag. Reader also includes a receiving part, receiving part of the label reply signal receiver, and this signals to decode. Reader has a controller, controller for external devices decode the signal, and managed between the reader and tag communication process.
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EPC标签简述.pdf