Zheng-yi Xie

Person

Richardson, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for performing echo cancellation in a communicati...
- Patent number 5,887,059
- Issue date Mar 23, 1999
- Advanced Micro Devices, Inc.
- Zheng-yi Xie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for performing combined digital/analog automatic...
- Patent number 5,841,385
- Issue date Nov 24, 1998
- Advanced Micro Devices, Inc.
- Zheng-Yi Xie
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
System and method for performing automatic gain control with gain s...
- Patent number 5,838,269
- Issue date Nov 17, 1998
- Advanced Micro Devices, Inc.
- Zheng-Yi Xie
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
DTMF detector system and method which performs frequency domain ene...
- Patent number 5,809,133
- Issue date Sep 15, 1998
- Advanced Micro Devices, Inc.
- John G. Bartkowiak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communications device with improved ring signal detection
- Patent number 5,796,815
- Issue date Aug 18, 1998
- Advanced Micro Devices, Inc.
- David J. Guercio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DTMF detector system and method which performs improved twist compu...
- Patent number 5,694,466
- Issue date Dec 2, 1997
- Advanced Micro Devices, Inc.
- Zheng-yi Xie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for dual tone multifrequency detection using vari...
- Patent number 5,644,634
- Issue date Jul 1, 1997
- Advanced Micro Devices
- Zheng-yi Xie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DTMF detector system and method which performs static and dynamic t...
- Patent number 5,588,053
- Issue date Dec 24, 1996
- Advanced Micro Devices
- Zheng-yi Xie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Zheng-yi Xie

Person

Patents Grantslast 30 patents

System and method for performing echo cancellation in a communicati...

System and method for performing combined digital/analog automatic...

System and method for performing automatic gain control with gain s...

DTMF detector system and method which performs frequency domain ene...

Communications device with improved ring signal detection

DTMF detector system and method which performs improved twist compu...

System and method for dual tone multifrequency detection using vari...

DTMF detector system and method which performs static and dynamic t...