Cheng Wen-Chin

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Jhubei City, TW

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Patents Applicationslast 30 patents

Information Patent Application
Brightness-adjusting device for video wall system and method therefor
- Publication number 20070103599
- Publication date May 10, 2007
- Lumens Digital Optics Inc.
- Cheng Wen-Chin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE