| http://www.w3.org/ns/prov#value | - FIG. 2A is a detailed schematic diagram of an electric field generator (transmitter) used in the present invention; FIG. 2B indicates the waveforms of signals present at predetermined locations in FIG. 2A; and FIG. 2C is a schematic diagram of an electric field generator useful in connection with a discrete logic implementation of a signal processor;
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