It is another object of the invention to drive load circuits working intermittently in such a way that, the load circuits are driven by energy accumulated in an capacitor during inoperative periods of the load circuits for processing loads which are small enough to allow signal processing to be completed in a short time of {HEAD ~ the order} of {TAIL ~ several tens} of milliseconds 
It is another object of the invention to drive load circuits working intermittently in such a way that , the load circuits are driven by energy accumulated in an capacitor during inoperative periods of the load circuits for processing loads which are small enough to allow signal processing to be completed in a short time of { HEAD ~ the order } of { TAIL ~ several tens } of milliseconds
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