Ding-Hao Zhang

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Tianjin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for testing sound input and output of sound card
- Patent number 8,116,466
- Issue date Feb 14, 2012
- Inventec Corp
- Hong-Liang Zhou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for testing audio jacks of sound card
- Publication number 20090086985
- Publication date Apr 2, 2009
- Inventec Corporation
- Ding-Hao Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus and method for testing sound input and output of sound card
- Publication number 20090080668
- Publication date Mar 26, 2009
- Inventec Corporation
- Hong-Liang Zhou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE