Actuator of camera module

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10451835
APP PUB NO 20180149828A1
SERIAL NO

15648012

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Abstract

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An actuator of a camera module includes a magnet, a coil facing the magnet, a driver configured to apply a driving signal to the coil to move the magnet in a direction, and a position estimator. The position estimator is configured to convert an oscillation signal into a digital signal in a delta sigma modulation scheme, and estimate the position of the magnet from the digital signal. A frequency of the oscillation signal varies based on a position of the magnet.

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Patent Owner(s)

Patent OwnerAddress
SAMSUNG ELECTRO-MECHANICS CO LTD(MAETAN-DONG) 150 MAEYEONG-RO YEONGTONG-GU SUWON-SI GYEONGGI-DO 443-743

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Woo Young Suwon-si, KR 51 232
Ko, Joo Yul Suwon-si, KR 72 115
Lee, Jong Woo Suwon-si, KR 64 567
Lee, Soo Woong Suwon-si, KR 57 96

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