US Patent 7161277 Driving device

Patent 7161277 was granted and assigned to Konica Minolta on January, 2007 by the United States Patent and Trademark Office.

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Patent Inventor Names

Satoshi Shinke0

Tomoyuki Yuasa0

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Patent abstract

In a drive apparatus having a vibration-generator including a plurality of electromechanical conversion elements, a plurality of weights located between each of the electromechanical conversion elements, and a rod fixed to one end of an electromechanical conversion element, a mass and a spring constant of each component included in the vibration-generator are determined, so that a relationship of integral multiple is satisfied. Thus, highly efficient driving with taking advantage of the resonance frequencies can be realized, and thus the energy consumption can be saved.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=071612770

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