Phase alignment system and method of oscillating mirror

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United States of America

PATENT NO 12235180
SERIAL NO

17436681

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Abstract

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The present invention discloses a phase alignment system and method of oscillating mirror. The present invention utilizes the reciprocating scanning symmetry feature of the simple harmonic oscillation motion of the oscillating mirror to construct scanning pattern data with complementary pixel brightness and darkness. When the phase difference parameter applied by the scan controller is consistent with the actual phase of simple harmonic oscillation of the oscillating mirror, the scanning pattern data with complementary pixel brightness and darkness and the reciprocating motion of the oscillating mirror are accurately matched, and a perfect stitched continuous scanning line with uniform brightness is obtained on the projection plane, thereby achieving the effect of being clearly distinguishable, easy to detect, and convenient for alignment operation.

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Patent Owner(s)

  • BEIJING QIANHENGDE TECHNOLOGY CO., LTD; BEIJING LIQIAN HENGXIN TECHNOLOGY CO., LTD

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wang, Kangheng Beijing, CN 1 0
Yang, Yijie Beijing, CN 8 14
Yu, Hongxiang Beijing, CN 1 0

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