OPTICAL DEVICE AND DRIVING CONTROL METHOD OF OPTICAL DEVICE
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United States of America
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Issued Date -
Jan 23, 2020
app pub date -
Jun 28, 2017
filing date -
Jun 28, 2017
priority date (Note) -
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Abstract
Provided is an optical device including an optics including at least two moving groups that are movable along an optical axis and share portions of driving regions; a plurality of actuators configured to move the at least two moving groups along the optical axis, respectively; and a control unit configured to control the positions of the at least two moving groups by operating the actuators, wherein the control unit moves the at least two moving groups independently, such that the position coordinates of the at least two moving groups in one integrated coordinates system do not coincide with each other.
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