Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8890634 | Multiplexed configurable sigma delta modulators for noise shaping in a 25-percent duty cycle digital transmitter | Dennis Mahoney, Zhongxuan Zhang, Khurram Muhammad, Chih-Ming Hung, Ming-Yu Hsieh | 2014-11-18 |
| 8847803 | Parallel multibit digital-to-digital sigma-delta modulation | Zhongxuan Zhang | 2014-09-30 |
| 8781026 | Digital quadrature transmitter using generalized coordinates | Khurram Muhammad, Dennis Mahoney | 2014-07-15 |
| 8750413 | Digital modulation with arbitrary input sampling and output modulation frequencies | Zhongxuan Zhang | 2014-06-10 |
| 8610609 | NMOS buffer for high-speed low-resolution current steering digital-to-analog converters | — | 2013-12-17 |
| 7852254 | 1-bit cell circuit used in a pipelined analog to digital converter | — | 2010-12-14 |
| 6737904 | Clock circuit, GSM phone, and methods of reducing electromagnetic interference | Remi Butaud | 2004-05-18 |
| 6671870 | Computer implemented circuit synthesis system | Laurent Souef, Jerome Bombal | 2003-12-30 |
| 6311318 | Design for test area optimization algorithm | Laurent Souef, Jerome Bombal | 2001-10-30 |
| 6202183 | Analog test access port and method therefor | Christian Zotier, Olaf Granzow | 2001-03-13 |
| 6163289 | Differential voltage digital-to-analog converter | — | 2000-12-19 |
| 5894280 | Digital to analog converter offset autocalibration system in a digital synthesizer integrated circuit | Philippe Gaglione | 1999-04-13 |
| 5831566 | Low voltage digital-to-analog converter | — | 1998-11-03 |
| 5764176 | Pipelined analog to digital converters and interstage amplifiers for such converters | — | 1998-06-09 |
| 5600319 | Thermometric-to-digital-to-analog converter occupying reduced chip area | — | 1997-02-04 |
| 5594445 | Pipelined analog to digital converters and interstage amplifiers for such converters | — | 1997-01-14 |