Richard A. Haddad

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Tuxedo, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and filter for enhancing a noisy speech signal
- Patent number 5,148,488
- Issue date Sep 15, 1992
- NYNEX Corporation
- Walter Y. Chen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Dual mode LMS channel equalizer
- Patent number 5,111,481
- Issue date May 5, 1992
- NYNEX Corporation
- Walter Y. Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual mode LMS nonlinear data echo canceller
- Patent number 4,977,591
- Issue date Dec 11, 1990
- Nynex Corporation
- Walter Y. Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE