Inventor
CHUNG TZU-HAI
TW4 patents
Patents
4 patentsUS7273285B2Sep 25, 2007
Method for managing lamp brightness
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US11204543B2Dec 21, 2021
Projection apparatus and auto-focusing method
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US7438426B2Oct 21, 2008
Projection display apparatus and digital zooming method thereof
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US11425347B2Aug 23, 2022
Projector and projector booting method
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