Qun Xiang

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Speaker with dual magnetic circuits
- Patent number 8,385,581
- Issue date Feb 26, 2013
- AAC Acoustic Technologies (Shenzhen) Co., Ltd.
- Lin-Zhen Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SOUND GENERATING DEVICE AND METHOD FOR MAKING SAME
- Publication number 20170048600
- Publication date Feb 16, 2017
- AAC Technologies Pte. Ltd.,
- Xiaofeng Pu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER WITH DUAL MAGNETIC CIRCUITS
- Publication number 20110170736
- Publication date Jul 14, 2011
- LIN-ZHEN LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE