Inventor
CHAN CHING-GEAK
MY9 patents
Patents
9 patentsUS10871385B2Dec 22, 2020
Optical encoder capable of identifying absolute positions and operating method thereof
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Optical positioning system having high resolution
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Optical positioning system and operating method thereof
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Optical positioning system determining positions based on last passed edge
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US11079857B2Aug 3, 2021
Optical detecting device
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US12326537B2Jun 10, 2025
Optical tracking device
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US12137855B2Nov 12, 2024
Mobile robot and cliff detection method thereof
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US11893753B2Feb 6, 2024
Security camera and motion detecting method for security camera
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US10210412B2Feb 19, 2019
Optical encoder capable of identifying absolute positions and operating method thereof
PIXART IMAGING INC0 citations49