Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8350551 | Power-supply controller | Da Feng Weng, Jinrong Qian | 2013-01-08 |
| 5917319 | Methods and apparatus for sensing currents | Richard Frank, Bruce L. Inn | 1999-06-29 |
| 5646520 | Methods and apparatus for sensing currents | Richard Frank, Bruce L. Inn | 1997-07-08 |
| 5229707 | Apparatus and method for eliminating false current limit triggering in a grounded source-emitter power switching circuit | Harry J. Bittner | 1993-07-20 |
| 5155394 | Bias distribution circuit and method using FET and bipolar | — | 1992-10-13 |
| 5018041 | Circuit for internal current limiting in a fast high side power switch | — | 1991-05-21 |
| 4975820 | Adaptive compensating ramp generator for current-mode DC/DC converters | — | 1990-12-04 |
| 4929882 | Apparatus for converting DC to DC having non-feed back variable hysteretic current-mode control for maintaining approximately constant frequency | — | 1990-05-29 |
| 4920309 | Error amplifier for use with parallel operated autonomous current or voltage regulators using transconductance type power amplifiers | — | 1990-04-24 |
| 4904960 | Precision CMOS oscillator circuit | Mansour Izadinia | 1990-02-27 |
| 4700285 | Combined PWM-FM control method and circuit for the high efficiency control of resonant switch mode inverters/converters | — | 1987-10-13 |
| 4645999 | Current mirror transient speed up circuit | — | 1987-02-24 |
| 4535399 | Regulated switched power circuit with resonant load | — | 1985-08-13 |