A pocket-type ultrasonic atomizer structure comprised of a water reservoir, an atomization chamber and an atomizing unit of a main unit, and a water supply regulating mechanism, wherein the opening and closing of the water supply regulating mechanism and the water reservoir is integrated such that closing...http://www.google.ca/patents/US6543701?utm_source=gb-gplus-sharePatent US6543701 - Pocket-type ultrasonic atomizer structure