Optical navigation device which can determine dirtiness level of cover or fix multi light pattern issue

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United States of America Patent

PATENT NO 11976942
APP PUB NO 20220373329A1
SERIAL NO

17881586

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An auto clean machine, comprising: an optical sensor; a light source, configured to generate a first light pattern; and a processing circuit, configured to determine which light pattern is the first light pattern if the optical sensor senses more than one light pattern. The present invention also discloses an optical navigation device with a first optical sensor and a second optical sensor.

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Patent Owner(s)

  • PIXART IMAGING INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wang, Guo-Zhen Hsin-Chu, TW 149 295

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