S. C. Johnson Son, Inc.

Leon M Headings

Dennis Joseph Denen

George A Clark

Eric R Navin

Gary E Myers

Todd L James

There is described a battery driven atomizer in which an alternating voltage is applied to a piezoelectric actuation element to cause it to expand and contract and vibrate an atomizing orifice plate. The alternating voltage is controlled to produce a high amplitude vibration during a first portion of a drive period, to initiate atomization, and thereafter to produce a lower amplitude vibration to sustain atomization during the remainder of the drive period. The frequency of the alternating voltage is swept repeatedly during each drive period.

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County of Wayne, OH, United States of America

Leon M Headings