Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9948180 | Switching regulator input current sensing circuit, system, and method | — | 2018-04-17 |
| 8866453 | Switching regulator input current sensing circuit, system, and method | — | 2014-10-21 |
| RE43808 | Phase shift modulation-based control of amplitude of AC voltage output produced by double-ended DC-AC converter circuitry for powering high voltage load such as cold cathode fluorescent lamp | Steven P. Laur, Zaki Moussaoui | 2012-11-20 |
| 7990116 | Modulator with linear period stretching capability | Eric Magne Solie | 2011-08-02 |
| 7907115 | Digitally synchronized integrator for noise rejection in system using PWM dimming signals to control brightness of cold cathode fluorescent lamp for backlighting liquid crystal display | Dong Zheng, Barry Harvey, Brian North | 2011-03-15 |
| 7835164 | Apparatus and method of employing combined switching and PWM dimming signals to control brightness of cold cathode fluorescent lamps used to backlight liquid crystal displays | — | 2010-11-16 |
| 7564193 | DC-AC converter having phase-modulated, double-ended, full-bridge topology for powering high voltage load such as cold cathode fluorescent lamp | Steven P. Laur, Zaki Moussaoui | 2009-07-21 |
| 7560872 | DC-AC converter having phase-modulated, double-ended, half-bridge topology for powering high voltage load such as cold cathode fluorescent lamp | Steven P. Laur, Zaki Moussaoui | 2009-07-14 |
| 7528818 | Digitally synchronized integrator for noise rejection in system using PWM dimming signals to control brightness of light source | Dong Zheng, Barry Harvey, Brian B. North | 2009-05-05 |
| 7368880 | Phase shift modulation-based control of amplitude of AC voltage output produced by double-ended DC-AC converter circuitry for powering high voltage load such as cold cathode fluorescent lamp | Steven P. Laur, Zaki Moussaoui | 2008-05-06 |
| 7141941 | Staggering switching signals for multiple cold cathode fluorescent lamp backlighting system to reduce electromagnetic interference | Lawrence G. Pearce | 2006-11-28 |
| 7075247 | Controller and driver architecture for double-ended circuitry for powering cold cathode fluorescent lamps | Steven P. Laur | 2006-07-11 |
| 5189600 | Combined power supply for main and stand-by power | Gregory W. Keck | 1993-02-23 |
| 5010292 | Voltage regulator with reduced semiconductor power dissipation | — | 1991-04-23 |
| 4876463 | Duty cycle controller for horizontal synchronization signals in a television receiver | — | 1989-10-24 |