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US Patent 10241348 Actuator driving apparatus and camera module including the same

Patent 10241348 was granted and assigned to Samsung on March, 2019 by the United States Patent and Trademark Office.

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Patent abstract

An actuator and a camera module including the same are provided. The actuator driving apparatus includes a detector configured to apply a reference signal to a driving coil of an actuator and detect a coil current flowing in the driving coil, a calculator configured to determine a position of a lens carrier based on the coil current, and a driver configured to drive the actuator based on the position of the lens carrier and a position control signal.

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