Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11900730 | Biometric identification | John Paul Lesso | 2024-02-13 |
| 8447050 | Thermal feedback for switch mode amplification | John L. Melanson, Xiaofan Fei, Johann G. Gaboriau, Steven Green, Eric Walburger +1 more | 2013-05-21 |
| 7840015 | Thermal feedback for switch mode amplification | John L. Melanson, Xiaofan Fei, Johann G. Gaboriau, Steven Green, Eric Walburger +1 more | 2010-11-23 |
| 7183954 | Circuits, systems and methods for volume control in low noise 1-bit digital audio systems | John L. Melanson | 2007-02-27 |
| 7173550 | Circuits, systems and methods for volume control in low noise 1-bit digital audio systems | John L. Melanson | 2007-02-06 |
| 7010131 | Quasi-differential power amplifier and method | John J. Paulos | 2006-03-07 |
| 6956919 | Single clock data communication in direct stream digital system | Aryesh Amar, Brian D. Trotter | 2005-10-18 |
| 6853242 | Power supply based audio compression for digital audio amplifier | John L. Melanson, Xiaofan Fei, Johann G. Gaboriau, Steven Green | 2005-02-08 |
| 6803869 | Circuits, Systems, and methods for volume in low noise 1-bit digital audio systems | John L. Melanson | 2004-10-12 |
| 6784816 | Circuits, systems and methods for volume control in 1-bit digital audio systems | John L. Melanson | 2004-08-31 |
| 6765436 | Power supply based audio compression for digital audio amplifier | John L. Melanson, Xiaofan Fei, Johann G. Gaboriau, Steven Green | 2004-07-20 |
| 6667704 | Data conversion circuits and methods with input clock signal frequency detection and master mode output clock signal generation | Trenton John Grale, Karl Thompson | 2003-12-23 |
| 6657574 | One line data format for audio analog-to-digital converters | — | 2003-12-02 |
| 6556157 | Frequency detect circuit for determining sample speed mode of decoded audio input data streams | Nadi R. Itani | 2003-04-29 |
| 6531975 | Apparatus and method for multi-channel digital to analog conversion of signals with different sample rates | Brian D. Trotter, Thomas D. Stein, Heling Yi, Timothy T. Rueger | 2003-03-11 |
| 6522273 | Circuits systems and methods for power digital-to-analog converter protection | Xiaofan Fei, Johann G. Gaboriau, John L. Melanson, Eric Walburger | 2003-02-18 |
| 6522278 | Digital-to-analog converter with power up/down transient suppression and automatic rate switching | Johann G. Gaboriau, Xiaofan Fei | 2003-02-18 |
| 6492928 | Digital-to-analog converter with power up/down transient suppression and automatic rate switching | John J. Paulos, Andrew W. Krone, Richard Bocock | 2002-12-10 |
| 6462690 | Circuit systems and methods for multirate digital-to-analog amplifier systems | Johann G. Gaboriau, Xiaofan Fei, Evan L. Marchman | 2002-10-08 |
| 6369729 | Common mode shift in downstream integrators of high order delta sigma modulators | Vishnu Srinivasan | 2002-04-09 |
| 6281821 | Digital-to-analog converter with power up/down transient suppression and automatic rate switching | John J. Paulos, Andrew W. Krone, Richard Bocock | 2001-08-28 |
| 6147522 | Reference voltage circuitry for use in switched-capacitor applications | Vishnu Srinivasan, Eric C. Gaalaas, Johann G. Gaboriau | 2000-11-14 |