Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9336073 | Write fault modulation | Kurt Wiesen | 2016-05-10 |
| 9324366 | Controlling track density in storage discs | Kurt Wiesen, Peter S. Harllee | 2016-04-26 |
| 8736995 | Identifying track pitch capability of a recording device | Kurt Wiesen | 2014-05-27 |
| 6717762 | Method and apparatus for making a drive compatible with a removable cartridge | Allen T. Bracken, Thomas A. Wilke, David Greenhalgh | 2004-04-06 |
| 6141188 | Secondary actuator | David E. Jones | 2000-10-31 |
| 6011667 | Disk drive system configurable for multiple supply voltages | Paul F. Dunn | 2000-01-04 |
| 5973871 | Disk drive adaptable for multiple operating voltages | Paul F. Dunn | 1999-10-26 |
| 5764017 | Servo loop compensation technique exhibiting improved bandwith | — | 1998-06-09 |
| 5532926 | Control system filter having both early-off hold and multi-interval sampling functions | Paul F. Dunn | 1996-07-02 |
| 5202821 | Sampled-data control system exhibiting reduced phase loss | Scott E. Chase, James W. Hargarten | 1993-04-13 |
| 4901173 | Apparatus for coupling record disk to disk drive | David E. Jones, Robert D. Freeman | 1990-02-13 |
| 4794480 | Bernoulli plate in cartridge | David E. Jones, Robert D. Freeman | 1988-12-27 |
| 4768124 | Record disk cartridge with flexible pad | Anton J. Radman, Roy Thornock, Robert D. Freeman, Peter Kleczkowski, Paul D. Losee +1 more | 1988-08-30 |
| 4743989 | Plural magnetic disk assembly | David E. Jones, Robert D. Freeman | 1988-05-10 |
| 4740851 | Disk drive with spicule member | David E. Jones | 1988-04-26 |
| 4658318 | Magnetic disk cartridge having improved locking mechanism and ringing pad | Anton J. Radman, Roy Thornock, Robert D. Freeman, Peter Kleczkowski, Paul D. Losee +1 more | 1987-04-14 |
| 4620252 | Symmetrical coil actuator for a magnetic disk drive | Peter Kleczkowski | 1986-10-28 |
| 4571646 | Magnetic disk drive having a movable drive motor | S. Peter Kleczkowski, Anton J. Radman | 1986-02-18 |
| 4502083 | Magnetic disk drive having a movable drive motor | S. Peter Kleczkowski, Anton J. Radman | 1985-02-26 |
| 4419704 | Bernoulli plate for stabilization of flexible magnetic disk | Anton J. Radman, Peter Kleczkowski | 1983-12-06 |
| 4400748 | Flexible magnetic disk drive using a rigid cartridge | S. Peter Kleczkowski, Anton J. Radman | 1983-08-23 |
| 4398228 | Method of avoiding resonance in servo controlled apparatus | — | 1983-08-09 |
| 4189759 | Cantilevered head support arm having increased resonance frequency | Raymond E. Kellow, Sr., Richard E. Norwood, Donald W. Schaefer | 1980-02-19 |