Multidirectional piezoelectric motor configuration
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United States of America Patent
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Oct 21, 2008
Grant Date -
Jun 21, 2007
app pub date -
Feb 25, 2004
filing date -
Feb 25, 2004
priority date (Note) -
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Abstract
A method of moving a body (23) comprising: coupling a plurality of piezoelectric motors (31, 32) to the body by pressing a coupling region (48) of each of the motors to a surface of the body; controlling at least one of the motors to apply a force parallel (53) to the surface to move the body; and simultaneously controlling at least one of the motors so that its coupling region executes only vibrations that are substantially perpendicular (51) to the surface.
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