High resolution optical encoder systems having a set of light detecting elements each comprising a pair of complementary detectors (as amended)

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United States of America Patent

PATENT NO 8188420
APP PUB NO 20110114829A1
SERIAL NO

12618710

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Abstract

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Disclosed are various embodiments of front-end analog circuitry for use in conjunction with optical encoders. Highly accurate analog output signals are provided by front-end analog circuitry in incremental or absolute motion encoders to interpolation circuitry, which is capable of providing high interpolation factor output signals having high timing accuracy. The disclosed interpolation circuits may be implemented using CMOS or BiCMOS processes without undue effort.

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Patent Owner(s)

  • AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lee, Wei Yan Penang, MY 2 20

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