The varying loads to which a power supply is subjected are anticipated before being placed across the power supply output by deriving device selection, direction of load change, and timing data from the control data transmitted to the load. The "on" and "off" times of the power transformer primary switch...http://www.google.fr/patents/US4425612?utm_source=gb-gplus-shareBrevet US4425612 - Power supply with load-transient anticipation
