Pan Da Sheng

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Shenzhen City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Twin magnetic loop multifunctional vibrator-speaker transducer
- Patent number 7,099,489
- Issue date Aug 29, 2006
- American Audio Components Inc.
- Zheng Min Pan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Twin magnetic loop multifunctional vibrator-speaker transducer
- Publication number 20040208338
- Publication date Oct 21, 2004
- Zheng Min Pan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Twin magnetic loop used in the electro-acoustic device
- Publication number 20040076307
- Publication date Apr 22, 2004
- American Audio Components, Inc.
- Zheng Min Pan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE