Chen; Walter Y

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chen; Walter Y.The latest application filed is for "using multi-level pulse width modulated signal for real time noise cancellation".

Company Profile

0.14.1

Chen; Walter Y - Lathrop CA
Chen; Walter Y. - Lathrop CA
Chen; Walter Y. - Franklin MA
Chen; Walter Y. - Plano TX
Chen; Walter Y. - Brookside NJ

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Using multi-level pulse width modulated signal for real time noise cancellation Grant 8,217,820 - Chen July 10, 2	2012-07-10
Using Multi-level Pulse Width Modulated Signal For Real Time Noise Cancellation App 20120114033 - Chen; Walter Y.	2012-05-10
System and method of transmitting voice over digital subscriber line Grant 6,259,708 - Cheng , et al. July 10, 2	2001-07-10
Multimode digital modem Grant 6,055,268 - Timm , et al. April 25, 2	2000-04-25
Direct equalization method Grant 6,038,251 - Chen March 14, 2	2000-03-14
Hybrid wireless wire-line network integration and management Grant 6,021,158 - Schurr , et al. February 1, 2	2000-02-01
Rate negotiation for variable-rate digital subscriber line signaling Grant 5,999,563 - Polley , et al. December 7, 1	1999-12-07
Modem initialization process for line code and rate selection in DSL data communication Grant 5,987,061 - Chen November 16, 1	1999-11-16
Reverse channel next cancellation for MDSL modem pool Grant 5,970,088 - Chen October 19, 1	1999-10-19
Ingress noise cancellation for upstream signals on a cable television system using an antenna to determine local noise Grant 5,915,205 - Chen June 22, 1	1999-06-22
Frequency-domain carrierless AM-PM demodulator Grant 5,809,069 - Polley , et al. September 15, 1	1998-09-15
Fast converging adaptive equalizer using pilot adaptive filters Grant 5,267,266 - Chen November 30, 1	1993-11-30
Method and filter for enhancing a noisy speech signal Grant 5,148,488 - Chen , et al. September 15, 1	1992-09-15
Dual mode LMS channel equalizer Grant 5,111,481 - Chen , et al. May 5, 1	1992-05-05
Dual mode LMS nonlinear data echo canceller Grant 4,977,591 - Chen , et al. December 11, 1	1990-12-11

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