Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8532243 | Digital hold in a phase-locked loop | Srisai R. Seethamraju, Kenneth Kin Yip Wong, Qicheng Yu | 2013-09-10 |
| 7825708 | Dual loop architecture useful for a programmable clock source and clock multiplier applications | Axel Thomsen, Yunteng Huang | 2010-11-02 |
| 7643629 | Low voltage sensing and control of battery referenced transistors in subscriber loop applications | Marius Goldenberg | 2010-01-05 |
| 7486787 | Subscriber line interface circuitry with common base audio isolation stage | Marius Goldenberg | 2009-02-03 |
| 7454306 | Frequency margin testing | — | 2008-11-18 |
| 7453388 | Slice voltage compensation | Vadim Gutnik | 2008-11-18 |
| 7450712 | Low voltage sensing and control of battery referenced transistors in subscriber loop applications | Marius Goldenberg | 2008-11-11 |
| 7436227 | Dual loop architecture useful for a programmable clock source and clock multiplier applications | Axel Thomsen, Yunteng Huang | 2008-10-14 |
| 7295077 | Multi-frequency clock synthesizer | Axel Thomsen, Yunteng Huang, Michael Petrowski, III | 2007-11-13 |
| 7288998 | Voltage controlled clock synthesizer | Axel Thomsen, Yunteng Huang, Derrick Wei | 2007-10-30 |
| 7254230 | Subscriber line interface circuitry | Navdeep S. Sooch | 2007-08-07 |
| 7227913 | Clock and data recovery circuit without jitter peaking | Michael H. Perrott | 2007-06-05 |
| 7190785 | Subscriber line interface circuitry | Navdeep S. Sooch | 2007-03-13 |
| 7187241 | Calibration of oscillator devices | Axel Thomsen | 2007-03-06 |
| 7180999 | Subscriber line interface circuitry | Navdeep S. Sooch | 2007-02-20 |
| 7158633 | Method and apparatus for monitoring subscriber loop interface circuitry power dissipation | — | 2007-01-02 |
| 7145359 | Multiple signal format output buffer | Bruce P. Del Signore, Akhil Garlapati | 2006-12-05 |
| 7064617 | Method and apparatus for temperature compensation | Axel Thomsen | 2006-06-20 |
| 6987424 | Narrow band clock multiplier unit | — | 2006-01-17 |
| 6975723 | Architecture for minimum loop current during ringing and caller ID | Jeffrey W. Scott, Navdeep S. Sooch, David R. Welland, Andrew W. Krone | 2005-12-13 |
| 6934384 | Subscriber line interface circuitry | Navdeep S. Sooch | 2005-08-23 |
| 6922469 | Separation of ring detection functions across isolation barrier for minimum power | Jeffrey W. Scott, Navdeep S. Sooch, David R. Welland | 2005-07-26 |
| 6724891 | Integrated modem and line-isolation circuitry and associated method powering caller ID circuitry with power provided across an isolation barrier | Yunteng Huang, George Tyson Tuttle, Timothy J. Dupuis | 2004-04-20 |
| 6686803 | Integrated circuit incorporating circuitry for determining which of at least two possible frequencies is present on an externally provided reference signal and method therefor | Michael H. Perrott, Rex Baird | 2004-02-03 |
| 6567521 | Subscriber loop interface circuitry having bifurcated common mode control | — | 2003-05-20 |