Issued Patents All Time
Showing 26–50 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7366086 | Crosstalk reduction in a backplane employing low-skew clock distribution | Christopher J. Abel, Joseph Anidjar, James D. Chlipala, Abhishek Duggal | 2008-04-29 |
| 7209525 | Clock and data recovery with extended integration cycles | Peter C. Metz, Baiying Yu | 2007-04-24 |
| 7158592 | Method and apparatus for synchronizing data transfer | James Walter Hofmann, Jr., Vladimir Sindalovsky, Steven E. Strauss, Eric Wilcox | 2007-01-02 |
| 7113587 | Method and apparatus for non-disruptive telecommunication loop condition determination | Jonathan H. Fischer, Lane A. Smith | 2006-09-26 |
| 7003094 | Adaptive interference cancellation for ADSL | Jonathan H. Fischer, Vladimir Sindalovsky | 2006-02-21 |
| 6999581 | Event detection circuit | Tony S. El-Kik, Keith Eugene Hollenbach, Steven B. Witmer | 2006-02-14 |
| 6937717 | Low power signal detection | Vladimir Sindalovsky | 2005-08-30 |
| 6920218 | Combination clock and charge pump for line powered DAA | Timothy W. Fuehrer, Keith Eugene Hollenbach, Steven B. Witmer | 2005-07-19 |
| 6845156 | System for reducing distortion in a line powered modulator | — | 2005-01-18 |
| 6823019 | Reduced DC transients in a sigma delta filter | Paul D. Hendricks, Lane A. Smith | 2004-11-23 |
| 6778665 | Distribution of current draw in a line powered DAA | Jonathan H. Fischer, Lane A. Smith, Michael S. Toth, Michael G. Williams | 2004-08-17 |
| 6763107 | Method and apparatus for reducing distortion in a line powered modulator circuit | Jonathan H. Fischer, Keith Eugene Hollenbach, Lane A. Smith, Weilin Zhu | 2004-07-13 |
| 6744888 | Line interface circuit with event detection signaling | Tony S. El-Kik, Keith Eugene Hollenbach, Steven B. Witmer | 2004-06-01 |
| 6735305 | Detection of low tip/ring currents in a line powered DAA | Jonathan H. Fischer, Lane A. Smith, Michael S. Toth, Michael G. Williams, Keith Eugene Hollenbach +1 more | 2004-05-11 |
| 6731728 | Low noise line powered DAA with differential feedback | Keith Eugene Hollenbach, Steven B. Witmer | 2004-05-04 |
| 6728371 | Method and apparatus for stabilization of a line powered modulator circuit | Jonathan H. Fischer, Keith Eugene Hollenbach, Lane A. Smith, Weilin Zhu | 2004-04-27 |
| 6717539 | Digital-to-analog converter | Jonathan H. Fischer | 2004-04-06 |
| 6687371 | Maintaining an off-hook condition during a call bridge | Jonathan H. Fischer, Lane A. Smith, Michael S. Toth, Michael G. Williams | 2004-02-03 |
| 6674857 | Startup procedure for international line powered DAA | Jonathan H. Fischer, Lane A. Smith, Michael S. Toth, Keith Eugene Hollenbach, Weilin Zhu | 2004-01-06 |
| 6674856 | Placement of a transmit predistortion filter with respect to a data access arrangement | Paul D. Hendricks, Lane A. Smith, Steven B. Witmer | 2004-01-06 |
| 6665403 | Digital gyrator | Jonathan H. Fischer, Lane A. Smith | 2003-12-16 |
| 6625278 | Impedance matching with sigma delta filter | Paul D. Hendricks, Lane A. Smith, Steven B. Witmer | 2003-09-23 |
| 6621904 | Pre-charging line modem capacitors to reduce DC setup time | Jonathan H. Fischer, Keith Eugene Hollenbach, Lane A. Smith, Weilin Zhu | 2003-09-16 |
| 6553118 | Method and apparatus for calculating DC offset in a digital gyrator | Lane A. Smith, Steven B. Witmer, Jonathan H. Fischer | 2003-04-22 |
| 6525681 | DC compensation method and apparatus | Vladimir Sindalovsky | 2003-02-25 |