Issued Patents All Time
Showing 26–50 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7388425 | PWM digital amplifier with high-order loop filter | — | 2008-06-17 |
| 7345533 | PWM digital amplifier with high-order loop filter | — | 2008-03-18 |
| 7345532 | PWM digital amplifier with high-order loop filter | — | 2008-03-18 |
| 7271650 | PWM digital amplifier with high-order loop filter | — | 2007-09-18 |
| 7218612 | Network synchronization | Joel Page, Edwin De Angel, Lei Wang, Hong Helena Zheng, Chung-Kai Chow | 2007-05-15 |
| 7215269 | Delta-sigma analog-to-digital converter suitable for use in a radio receiver channel | Xudong Zhao, Amit Kumar, Jianping Wen, Garry N. Link | 2007-05-08 |
| 7038535 | PWM digital amplifier with high-order loop filter | — | 2006-05-02 |
| 7023267 | Switching power amplifier using a frequency translating delta sigma modulator | Shawn Patrick Stapleton, Kelly Mekechuk | 2006-04-04 |
| 6980037 | Power on reset techniques for an integrated circuit chip | Joel Page, Edwin De Angel, Lei Wang, Hong Helena Zheng, Chung-Kai Chow | 2005-12-27 |
| 6653886 | Power saving amplifier with selectable current levels | Dan B. Kasha, Axel Thomsen | 2003-11-25 |
| 6614285 | Switched capacitor integrator having very low power and low distortion and noise | Dan B. Kasha, Axel Thomsen | 2003-09-02 |
| 6594284 | Network synchronization | Joel Page, Edwin De Angel, Lei Wang, Hong Helena Zheng, Chung-Kai Chow | 2003-07-15 |
| 6546408 | Sinc filter using twisting symmetry | Joel Page, Edwin De Angel, Lei Wang, Hong Helena Zheng, Chung-Kai Chow | 2003-04-08 |
| 6486806 | Systems and methods for adaptive auto-calibration of Radix<2 A/D SAR converters with internally generated stimuli | Carlos Esteban Muñoz, Karl Thompson, Douglas S. Piasecki, Eric J. Swanson | 2002-11-26 |
| 6424276 | Successive approximation algorithm-based architectures and systems | Carlos Esteban Muñoz, Karl Thompson, Douglas S. Piasecki, Eric J. Swanson | 2002-07-23 |
| 6417794 | System and apparatus for digitally calibrating capacitors in an analog-to-digital converter using successive approximation | Carlos Esteban Muñoz, Karl Thompson, Douglas S. Piasecki, Eric J. Swanson | 2002-07-09 |
| 6404375 | System and method of selecting and using bit testing sequences during successive approximation for calibrating an analog-to-digital converter | Carlos Esteban Muñoz, Karl Thompson, Douglas S. Piasecki, Eric J. Swanson | 2002-06-11 |
| 6369745 | Analog to digital switched capacitor converter using a delta sigma modulator having very low power, distortion and noise | Dan B. Kasha, Axel Thomsen | 2002-04-09 |
| 6348885 | System and method for digitally calibrating an analog-to-digital converter | Carlos Muñoz, Karl Thompson, Douglas S. Piasecki, Eric J. Swanson | 2002-02-19 |
| 6337636 | System and techniques for seismic data acquisition | Joel Page, Edwin De Angel, Lei Wang, Hong Helena Zheng, Chung-Kai Chow | 2002-01-08 |
| 6321246 | Linear phase FIR sinc filter with multiplexing | Joel Page, Edwin De Angel, Lei Wang, Hong Helena Zheng, Chung-Kai Chow | 2001-11-20 |
| 6317765 | Sinc filter with selective decimation ratios | Joel Page, Edwin Angel, Lei Wang, Hong Helena Zheng, Chung-Kai Chow | 2001-11-13 |
| 6281718 | Noise management using a switched converter | Joel Page, Edwin De Angel, Lei Wang, Hong Helena Zheng, Chung-Kai Chow | 2001-08-28 |
| 6252454 | Calibrated quasi-autozeroed comparator systems and methods | Karl Thompson, Carlos Esteban Muñoz, Douglas S. Piasecki, Eric J. Swanson | 2001-06-26 |
| 6249236 | Low power seismic device interface and system for capturing seismic signals | Dan B. Kasha, Axel Thomsen | 2001-06-19 |