Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6548973 | Method and apparatus for braking a polyphase DC motor | James E. Chloupek | 2003-04-15 |
| 6353298 | Low distortion audio range class-AB full H-bridge pre-driver amplifier | — | 2002-03-05 |
| 6208280 | Converting a pulse-width modulation signal to an analog voltage | John M. Baker, Robert E. Whyte, Jr. | 2001-03-27 |
| 6021015 | Method and circuit for driving hard disk drive spindle and actuator motors | William R. Krenik, David R. Cotton, Dennis Hahn, Shaibal Barua, Roy Clifton Jones, III | 2000-02-01 |
| 6008611 | Method and system for driving a three-phase motor in a mass storage device | Hao Chen, Fredrick W. Trafton | 1999-12-28 |
| 5808438 | Method and system for limiting current in a read/write head retract circuit | — | 1998-09-15 |
| 4686449 | JFET current source with high power supply rejection | Chi-Cheong Shen | 1987-08-11 |