Chien-Hui Chang

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Sinjhuang City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for detecting hidden ghost keys on keyboard matrix
- Patent number 8,749,407
- Issue date Jun 10, 2014
- Lite-On Electronics (Guangzhou) Limited
- Wen-Tong Liu
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR DETECTING HIDDEN GHOST KEYS ON KEYBOARD MATRIX
- Publication number 20100253553
- Publication date Oct 7, 2010
- SILITEK ELECTRONIC (GUANGZHOU) CO., LTD.
- Wen-Tong LIU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIGITAL VIDEO CAMERA WITH PROJECTOR MECHANISM
- Publication number 20090244322
- Publication date Oct 1, 2009
- LIFE TECHNOLOGIES CO., LTD
- CHIEN-WEI CHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE