Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8358285 | Method and apparatus for scanning a touchscreen with multi-touch detection using master/slave devices | Bradley Martin, Steve Gerber | 2013-01-22 |
| 7855905 | Digital power supply controller with integrated microcontroller | Ka Y. Leung, Jinwen Xaio, Chia-Ling Wei, Alvin Storvik, Biranchinath Sahu +1 more | 2010-12-21 |
| 7701685 | Digital pulse width modulator with built-in protection functions for over current, over voltage and temperature | Ka Y. Leung, Donald E. Alfano | 2010-04-20 |
| 7640455 | Digital PWM controller with programmable safe state in presence of fault | Ka Y. Leung, Donald E. Alfano | 2009-12-29 |
| 7536570 | Microcontroller unit (MCU) with suspend mode | Yonghong Tao | 2009-05-19 |
| 7536533 | MCU based motor controller with pre-load register and DMA controller | Des Peter Howlett, Gabriel Vogel | 2009-05-19 |
| 7502240 | Distributed power supply system with separate SYNC control for controlling remote digital DC/DC converters | Ka Y. Leung, Donald E. Alfano | 2009-03-10 |
| 7498787 | Digital PWM controller for digital power supply having programmable dead times | Ka Y. Leung | 2009-03-03 |
| 7446430 | Plural load distributed power supply system with shared master for controlling remote digital DC/DC converters | Ka Y. Leung, Donald E. Alfano | 2008-11-04 |
| 7428159 | Digital PWM controller | Ka Y. Leung, Jinwen Xaio, Chia-Ling Wei, Alvin Storvik, Biranchinath Sahu +1 more | 2008-09-23 |
| 7426645 | Digital power supply controller with integrated microcontroller | Ka Y. Leung, Jinwen Xaio, Chia-Ling Wei, Alvin Storvik, Biranchinath Sahu +1 more | 2008-09-16 |
| 7426123 | Finite state machine digital pulse width modulator for a digitally controlled power supply | Ka Y. Leung | 2008-09-16 |
| 7245512 | PID based controller for DC—DC converter with post-processing filters | Ka Y. Leung, Jinwen Xiao | 2007-07-17 |
| 7212061 | DPWM with leading edge blanker circuit | Ka Y. Leung, Jinwen Xiao | 2007-05-01 |
| 7188199 | DMA controller that restricts ADC from memory without interrupting generation of digital words when CPU accesses memory | Ka Y. Leung | 2007-03-06 |
| 7113011 | Low power PLL for PWM switching digital control power supply | Ka Y. Leung | 2006-09-26 |
| 6891487 | Capacitor calibration in SAR converter | Ka Y. Leung, Douglas R. Holberg | 2005-05-10 |
| 6882298 | SAR analog-to-digital converter with two single ended inputs | Ka Y. Leung | 2005-04-19 |
| 6356872 | Method and apparatus for storing digital audio and playback thereof | Ka Y. Leung, Eric J. Swanson | 2002-03-12 |
| 5777912 | Linear phase finite impulse response filter with pre-addition | Ka Y. Leung, Eric J. Swanson | 1998-07-07 |
| 5652585 | Multiple function analog-to-digital converter with multiple serial outputs | Ka Y. Leung, Eric J. Swanson | 1997-07-29 |