Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6134127 | PWM harmonic control | — | 2000-10-17 |
| 5559689 | Harmonic content determination apparatus | Alec Cook | 1996-09-24 |
| 5343379 | Control method for inverters having dwell times between switch conduction periods | Alexander Cook | 1994-08-30 |
| 5107192 | Magnetic bearing control at critical shaft speeds | Alexander Cook | 1992-04-21 |
| 5053939 | Control of PWM inverters by pattern development from stored constants relating D.C. link harmonics to output distortion | Alexander Cook | 1991-10-01 |
| 5043857 | Real-time control of PWM inverters by pattern development from stored constants | Alexander Cook | 1991-08-27 |
| 5038095 | Control for a DC link power conversion system | Alexander Cook | 1991-08-06 |
| 5034876 | Real-time evaluation of PWM inverter pattern selection | Alexander Cook | 1991-07-23 |
| 5001622 | Enhanced real-time control of PWM inverter | Alexander Cook | 1991-03-19 |
| 4994956 | Enhanced real time control of PWM inverters | Alexander Cook | 1991-02-19 |
| 4977492 | Suppression of switching harmonics | Alexander Cook | 1990-12-11 |
| 4961130 | Voltage inverter control applying real-time angle pattern determination | — | 1990-10-02 |
| 4937720 | PWM inverter circuit analytically compensating for DC link distortion | — | 1990-06-26 |
| 4935860 | PWM inverter circuit having modulated DC link input | Alexander Cook | 1990-06-19 |
| 4935859 | PWM inverter circuit having a filtered fundamental feedback DC link variation circuit | Alexander Cook | 1990-06-19 |