| http://www.w3.org/ns/prov#value | - This feedback may be provided, for example, by means of a head position indicator, e.g. a light-emitting diode (LED) or the like that is lighted to indicate a stable telemetry channel. [0056]FIG. 7 is a schematic diagram of a patient activator of the type which may be employed with the present invention.
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