Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11848651 | Switching amplifier system with feedback | Adip Kumar Dutta, Uma Ekambaram Iyer | 2023-12-19 |
| 11280936 | Liquid gauge and a method for operating the same | — | 2022-03-22 |
| 11157099 | Electronic writing device and a method for operating the same | — | 2021-10-26 |
| 10015038 | Pulse quadrature modulator and method | Brian Lindemann, John Ribe | 2018-07-03 |
| 9806919 | System and method for clock spur artifact correction | Hong Jiang | 2017-10-31 |
| 9787211 | Power converter for AC mains | Robert Schneider, Peter J. Nystrom | 2017-10-10 |
| 9768705 | Multibridge power converter for AC mains | Robert Schneider, Peter J. Nystrom | 2017-09-19 |
| 9667196 | Envelope tracking power converter | — | 2017-05-30 |
| 9172330 | Nonlinear load pre-distortion for open loop envelope tracking | Wael Al-Qaq, Hong Jiang | 2015-10-27 |
| 9106214 | PCM to digital PWM using predistortion | — | 2015-08-11 |
| 9054937 | Envelope extraction with reduced bandwidth for power modulation | Joseph Ingino | 2015-06-09 |
| 8988049 | Multiple switch power stage control tracking PCM signal input | — | 2015-03-24 |
| 8638836 | Transmitter signal injection compensation | Rakers L Patrick, William Roeckner | 2014-01-28 |
| 8278902 | DC to DC switching power converter controller using spread spectrum PWM | Siamak Abedinpour, William Roeckner | 2012-10-02 |
| 8228117 | Quiet power up and power down of closed loop digital PWM modulators | William Roeckner | 2012-07-24 |
| 7825726 | Digital pulse width modulation for half bridge amplifiers | Matthew R. Miller, William Roeckner | 2010-11-02 |
| 7777563 | Spread spectrum pulse width modulation method and apparatus | William Roeckner | 2010-08-17 |
| 7667552 | Discrete dithered frequency pulse width modulation | Xin Geng | 2010-02-23 |
| 7649961 | Suppressed carrier quadrature pulse modulator | — | 2010-01-19 |
| 7629840 | Digital pulse width modulated feedback system for a switching amplifier and method therefor | Theresa Paulo, William Roeckner | 2009-12-08 |
| 7352311 | Continuous time noise shaping analog-to-digital converter | Matthew R. Miller, Poojan Wagh | 2008-04-01 |
| 7342518 | Digital rate converter | Karen K. Hicks, Anthony R. Schooler | 2008-03-11 |
| 7312654 | Quiet power up and power down of a digital audio amplifier | William Roeckner, Patrick L. Rakers, Lawrence E. Connell, Daniel Andrew Mavencamp, Bradley Stewart | 2007-12-25 |
| 7227487 | Digital saturation handling in integral noise shaping of pulse width modulation | William Roeckner, John Grosspietsch, Anthony R. Schooler | 2007-06-05 |
| 7142597 | Full bridge integral noise shaping for quantization of pulse width modulation signals | William Roeckner | 2006-11-28 |