| http://www.w3.org/ns/prov#value | - viding pulsed electrical energy to the first and second coils; control means operably connected to the driver circuitry for controlling the magnitude of the electrical energy; multiplexer means connected to the first coil and second coil and operably connected to the control means for selecting one coil; and the control means including means for indicating to the multiplexer means that one of the
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