| http://www.w3.org/ns/prov#value | - The magnetic field generator is operative to generate a non-modulated AC magnetic field, whose frequency represents information, such as but not limited to programming information, data or a stimulus, that is coupled to and sensed by a ???demodulatorless??? AC magnetic field-detecting receiver installed in any tag passing through the region. [0024] As will be described, the invention is readily im
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