Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9871466 | Inverter switching frequency control method and apparatus | Haibin Guo, Kai Xin | 2018-01-16 |
| 6081400 | Power-off method and device for electronic storage apparatus | Stephen R. Jackson, David Drouin | 2000-06-27 |
| 5977734 | Circuit and method for determining optimal phase combination for startup of a polyphase DC motor | Chinh Nguyen, Francis Yu | 1999-11-02 |
| 5656897 | Current sensing and control in brushless DC motors | Francesco Carobolante, Karl M. Schlager | 1997-08-12 |
| 5616993 | Method and apparatus for switching a motor between bipolar and unipolar mode | Karl M. Schlager | 1997-04-01 |
| 5550446 | Dual slew rate circuit for driver transistors in disk drives | Karl M. Schlager | 1996-08-27 |