Jianguo ZHENG

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Zhejiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Surround-screen speaker array and the formation method of virtual s...
- Patent number 11,223,902
- Issue date Jan 11, 2022
- SOUNDKING ELECTRONICS & SOUND CO., LTD.
- Qian Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SURROUND-SCREEN SPEAKER ARRAY AND THE FORMATION METHOD OF VIRTUAL S...
- Publication number 20200351589
- Publication date Nov 5, 2020
- Qian ZHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE