Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9716449 | Energy saving system and method for devices with rotating or reciprocating masses | John L. Lumsden, Vasan Venkataraman | 2017-07-25 |
| 9628015 | Energy saving system and method for devices with rotating or reciprocating masses | John L. Lumsden, Vasan Venkataraman | 2017-04-18 |
| 8823314 | Energy saving system and method for devices with rotating or reciprocating masses | John L. Lumsden, Vasan Venkataraman | 2014-09-02 |
| 8810190 | Motor controller system and method for maximizing energy savings | — | 2014-08-19 |
| 8698447 | Energy saving system and method for devices with rotating or reciprocating masses | John L. Lumsden, Vasan Venkataraman | 2014-04-15 |
| 6347018 | Digital servo control system for use in disk drives | Ronald James Kadlec, Thomas J. Frederick, Philip Saxton Weilbacher | 2002-02-12 |
| 5914829 | Digital servo control system for use in disk drives, including calibrated controller for fixed-distance seeks | Ronald James Kadlec, Thomas J. Frederick | 1999-06-22 |
| 5914830 | Digital servo control system including sample integrity tester for reducing effects of spurious sampled position values | Ronald James Kadlec, Philip Saxton Weilbacher | 1999-06-22 |
| 5828671 | Method and apparatus for deinterleaving an interleaved data stream | Oscar Gustavo Vela, Kin K. Chau-Lee | 1998-10-27 |
| 5684650 | Digital servo control system for use in disk drives | Ronald James Kadlec, Thomas J. Frederick, Philip Saxton Weilbacher | 1997-11-04 |
| 5646797 | Digital servo control system for use in disk drives | Ronald James Kadlec, Thomas J. Frederick, Philip Saxton Weilbacher | 1997-07-08 |
| 5602689 | Digital servo control system for use in disk drives, including sample integrity tester for reducing effects of spurious sampled position values | Ronald James Kadlec, Philip Saxton Weilbacher | 1997-02-11 |
| 5500562 | Power switch arrangement | — | 1996-03-19 |