Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7173944 | Modulation switching for DSL signal transmission | Kenneth D. Ko, David O. Anderton, Ismail I. Eldumiati, Steven A. Gronemeyer, Don L. Harmer +11 more | 2007-02-06 |
| 6445733 | Method of and apparatus for performing line characterization in a non-idle mode in a subscriber line communication system | Kenneth D. Ko, Jamal Haque, Shrenik P. Patravali, Manuel I. Rodriguez, Keith A. Souders +1 more | 2002-09-03 |
| 6430219 | Method of and apparatus for performing line characterization in a subscriber line communication system | Kenneth D. Ko, Jamal Haque, Shrenik P. Patravali, Manuel I. Rodriguez, Keith A. Souders +1 more | 2002-08-06 |
| 6263077 | Digital subscriber line modem utilizing echo cancellation to reduce near-end cross-talk noise | Kenneth D. Ko, Jamal Haque, Shrenik P. Patravali, Manuel I. Rodriguez, Keith A. Souders +1 more | 2001-07-17 |
| 6212227 | Constant envelope modulation for splitterless DSL transmission | Kenneth D. Ko, David O. Anderton, Ismail I. Eldumiati, Steven A. Gronemeyer, Don L. Harmer +11 more | 2001-04-03 |
| 6161203 | Communication system utilizing Reed-Solomon code to achieve auto frame synchronization acquistion | Kenneth D. Ko, Jamal Haque, Shrenik P. Patravali, Manuel I. Rodriguez, Keith A. Souders +1 more | 2000-12-12 |
| 6151335 | Modulation switching for DSL signal transmission | Kenneth D. Ko, David O. Anderton, Ismail I. Eldumiati, Steven A. Gronemeyer, Don L. Harmer +11 more | 2000-11-21 |
| 6101216 | Splitterless digital subscriber line communication system | P. Michael Henderson, Kenneth D. Ko, Jamal Haque, Shrenik P. Patravali, Manuel I. Rodriguez +2 more | 2000-08-08 |
| 5825753 | Echo canceler gain tracker for cellular modems | William L. Betts | 1998-10-20 |
| 5751796 | Rapid startup protocol for communication between a plurality of modems | Robert E. Scott | 1998-05-12 |
| 5682378 | Echo cancellation for modems | William L. Betts | 1997-10-28 |
| 5680451 | Listener echo cancellation for modems | William L. Betts | 1997-10-21 |
| 5671250 | Autorate method for simultaneous transmission of voice data | Gordon Bremer, Kenneth D. Ko, Luke J. Smithwick | 1997-09-23 |
| 5521942 | Method for increasing the dynamic range of a signal in a simultaneous voice and data system by the use of overlapping signal point regions and trellis coding | William L. Betts, Gordon Bremer, Luke J. Smithwick | 1996-05-28 |
| 5481567 | Method and apparatus for automatically adapting the amount of warping in a system transmitting information through a non-linear channel | William L. Betts | 1996-01-02 |
| 5475711 | System for channel capacity modulation | William L. Betts | 1995-12-12 |
| 5396519 | Method and apparatus for adaptively providing precoding and preemphasis conditioning to signal data for transfer over a communication channel | William L. Betts | 1995-03-07 |
| 5243627 | Signal point interleaving technique | William L. Betts | 1993-09-07 |
| 4862464 | Data error detector for digital modems using trellis coding | William L. Betts | 1989-08-29 |
| 4833690 | Remote eye pattern display for digital modems | David W. Springer, Chad Balka, William L. Betts | 1989-05-23 |
| 4811357 | Secondary channel for digital modems using spread spectrum subliminal induced modulation | William L. Betts | 1989-03-07 |
| 4771232 | Non-interruptive spectrum analyzer for digital modems | William L. Betts | 1988-09-13 |
| 4683578 | Automatic gain control using the extreme points of a constellation | William L. Betts | 1987-07-28 |
| 4646325 | Index decoder for digital modems | Kenneth Martinez | 1987-02-24 |
| 4639934 | Line impairment display for digital modems | Robert E. Scott, William L. Betts | 1987-01-27 |