Youhong Lu

Person

Vernon Hills, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for generating comfort noise
- Patent number 8,767,974
- Issue date Jul 1, 2014
- Hewlett-Packard Development Company, L.P.
- Youhong Lu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and system for echo cancellation in a network switch
- Patent number 7,860,236
- Issue date Dec 28, 2010
- Hewlet-Packard Company
- Youhong Lu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Echo canceller disabler for modulated data signals
- Patent number 7,570,608
- Issue date Aug 4, 2009
- 3Com Corporation
- Youhong Lu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Echo canceller disabler for modulated data signals
- Patent number 7,006,458
- Issue date Feb 28, 2006
- 3Com Corporation
- Youhong Lu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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 echo cancellation
- Patent number 6,768,796
- Issue date Jul 27, 2004
- 3COM Corporation
- Youhong Lu
- 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
Method and apparatus for noise suppression and side-tone generation
- Patent number 6,711,259
- Issue date Mar 23, 2004
- Raziel Haimi-Cohen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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

Patents Applicationslast 30 patents

Information Patent Application
Method and System for Echo Cancellation In A Network Switch
- Publication number 20080187129
- Publication date Aug 7, 2008
- 3Com Corporation
- Youhong Lu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Echo canceller disabler for modulated data signals
- Publication number 20060146738
- Publication date Jul 6, 2006
- 3Com Corporation
- Youhong Lu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for echo cancellation
- Publication number 20020131583
- Publication date Sep 19, 2002
- Youhong Lu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

System and method for generating comfort noise

Method and system for echo cancellation in a network switch

Echo canceller disabler for modulated data signals

Echo canceller disabler for modulated data signals

System and method for DTMF detection using likelihood ratios

System and method for echo cancellation

System and method for comfort noise generation

Method and apparatus for noise suppression and side-tone generation

DTMF detection based on LPC coefficients

Patents Applicationslast 30 patents

Method and System for Echo Cancellation In A Network Switch

Echo canceller disabler for modulated data signals

System and method for echo cancellation