Wenshun Tian

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Rolling Meadows, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for DTMF detection using likelihood ratios
- Patent number 6,873,701
- Issue date Mar 29, 2005
- 3Com Corporation
- Wenshun Tian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for comfort noise generation
- Patent number 6,766,020
- Issue date Jul 20, 2004
- 3Com Corporation
- Wenshun Tian
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
DTMF detection based on LPC coefficients
- Patent number 6,590,972
- Issue date Jul 8, 2003
- 3COM Corporation
- Youhong Lu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE