Positioning device
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United States of America Patent
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app pub date -
Jul 1, 2004
filing date -
Jul 8, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A positioning device according to the present invention includes a movable body; a position detection unit detecting a position of the movable body; a first and a second vibratory actuator controlled in accordance with a detection output from the position detection unit; a first transmission mechanism comprising a first gear wheel and a first rack engaging the first gear wheel, the first transmission mechanism transmitting a driving force of the first vibratory actuator to the movable body; and a second transmission mechanism comprising a second gear wheel and a second rack engaging the second gear wheel, the second transmission mechanism transmitting a driving force of the second vibratory actuator to the movable body. An engaging position of the first gear wheel with the first rack is different from an engaging position of the second gear wheel with the second rack.
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