Issued Patents All Time
Showing 25 most recent of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8238414 | Sliding error sampler (SES) for latency reduction in the PWM path | — | 2012-08-07 |
| 7979483 | Multiplexed proportional-integral-derivative filter architecture (Mux-PID) for control-loop applications | — | 2011-07-12 |
| 7930334 | Gain control coding within proportional-integral-derivative filters for control-loop applications | — | 2011-04-19 |
| 7791387 | Fine-resolution edge-extending pulse width modulator | — | 2010-09-07 |
| 7769372 | Selectively activated multi-subcarrier (SAMS) radio transceiver measuring techniques | — | 2010-08-03 |
| 7636562 | Radio frequency mixer and method of operation | — | 2009-12-22 |
| 7616052 | Fast adapting filter | Shu-Ing Ju | 2009-11-10 |
| 7561084 | Sliding error sampler (SES) for latency reduction in the ADC path | — | 2009-07-14 |
| 7554372 | Digital dead-time controller for pulse width modulators | — | 2009-06-30 |
| 7483683 | Harmonic rejection gated-switching mixer | Michael Schwartz, James D. Braatz, Shu-Ing Ju | 2009-01-27 |
| 7477886 | Cascading-synchronous mixer and method of operation | — | 2009-01-13 |
| 7336938 | Phase-alternating mixer with alias and harmonic rejection | — | 2008-02-26 |
| 7299025 | Harmonic rejection gated-switching mixer | Michael Schwartz, James D. Braatz, Shu-Ing Ju | 2007-11-20 |
| 7286810 | Capacitor load mixer with PAM function | Shu-Ing Ju | 2007-10-23 |
| 7250884 | Analog-to-digital converters for control loop applications | — | 2007-07-31 |
| 7227476 | Dither scheme using pulse-density modulation (dither PDM) | — | 2007-06-05 |
| 7212588 | Double sideband-intermediate frequency radio receiver architecture | Shu-Ing Ju | 2007-05-01 |
| 7197104 | Minimum gate delay edge counter | Hung K. Cheung | 2007-03-27 |
| 7177609 | Chopper-direct-conversion (CDC) radio architecture | — | 2007-02-13 |
| 7130604 | Harmonic rejection mixer and method of operation | Shu-Ing Ju, Michael Schwartz, Robert Karl Butler | 2006-10-31 |
| 6959179 | Down/up-conversion mixer for direct conversion radios | Shu-Ing Ju | 2005-10-25 |
| 6876844 | Cascading-synchronous mixer and method of operation | — | 2005-04-05 |
| 6873318 | Method and apparatus for addressing beat patterns in an integrated video display system | — | 2005-03-29 |
| 6839551 | Radio frequency mixer and method of operation | — | 2005-01-04 |
| 6697445 | Method and apparatus with enhanced jitter transfer characteristics in a phase-locked loop system | — | 2004-02-24 |