专利名称：Automatic power adjustment system for
introductory use of a vibrating device on ahuman body
发明人：William G. Lundell,Daniel Bayeh,William G.
McCoy
申请号：US09/369749申请日：19990806公开号：US06140802A公开日：20001031
摘要：Driving power for a vibrating device is provided at less than full level when thedevice is initially used. Power is gradually increased in successive steps after a selectednumber of uses in each step until full power is achieved. Also, a battery-energized drivingsignal for a vibrating device has a selected characteristic, such as duty cycle, which is setinitially at less than an optimum value, when the battery is at full strength. As the batterydischarges, the selected characteristic is adjusted toward optimum so as to compensatefor reduction in the battery voltage and ensure full power output.
申请人：OPTIVA CORPORATION
代理机构：Jensen & Puntigam, P
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