Issued Patents All Time
Showing 101–125 of 136 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6522493 | Position error signal linearization using an auxiliary discontinuity removal routine | Jeff J. Dobbek, Gregory Michael Frees, Craig Fukushima, Markus Staudenmann | 2003-02-18 |
| 6519109 | Method and apparatus for providing feedforward control of two interacting actuators | Kirk B. Price, Mantle Man-Hon Yu | 2003-02-11 |
| 6469855 | Method and system for adaptive settle and write inhibit constraints based on head geometry and servo/mechanical system | Bernd Lamberts, Mantle Man-Hon Yu | 2002-10-22 |
| 6462898 | Disk drive with information encoded in the position error signal fields | Mario Blaum, William John Kabelac, Mantle Man-Hon Yu | 2002-10-08 |
| 6429995 | Position error signal calibration using measured bursts | Jeff J. Dobbek, Gregory Michael Frees, Craig Fukushima, Blake Finstad | 2002-08-06 |
| 6429990 | Method and apparatus for controlling write operations of a data storage system subjected to a shock event | Gary Herbst | 2002-08-06 |
| 6426843 | Settle time estimator feedback for rotational position reordering in data storage devices | Bernd Lamberts, Mantle Man-Hon Yu | 2002-07-30 |
| 6421198 | Linearity compensation for a position error signal based on repeatable and non-repeatable run out in a disk drive | Bernd Lamberts, Markus Staudenmann, Mantle Man-Hon Yu | 2002-07-16 |
| 6388832 | Method and system for providing spindle motor control for head loading in a disk drive | Jeffrey J. Dobbek, Bryan Scott Rowan, Mantle Man-Hon Yu | 2002-05-14 |
| 6362766 | Variable pulse PWM DAC method and apparatus | Bryan Scott Rowan, Mantle Man-Hon Yu | 2002-03-26 |
| 6342985 | Method and apparatus for improving disk drive seek performance | Donald Lee Clare, Troy Tse-Quong Lee | 2002-01-29 |
| 6282046 | Current limiting in high performance files | George Robert Houston | 2001-08-28 |
| 6226140 | Shock detector in a disk drive servo control system | Mantle Man-Hon Yu | 2001-05-01 |
| 6219198 | State estimator alteration for odd sample times in a disk drive servo control system | Jeffrey J. Dobbek, Peter Ho | 2001-04-17 |
| 6215608 | Hardware inhibit for a disk drive digital servo control system | Mantle Man-Hon Yu | 2001-04-10 |
| 6188191 | Servo system responsive to temperature changes | Gregory Michael Frees | 2001-02-13 |
| 6181500 | Self servo rewrite method and apparatus | Mantle Man-Hon Yu | 2001-01-30 |
| 6141176 | Data storage disk with information encoded in the position error signal fields | Mario Blaum, William John Kabelac, Mantle Man-Hon Yu | 2000-10-31 |
| 6122125 | Head selectable servo notch filter and method for improving servo system performance | Donald Lee Clare, Gregory Michael Frees | 2000-09-19 |
| 6115200 | Method and apparatus for preventing write operations in the presence of post-shock motion | Donald G. Allen | 2000-09-05 |
| 6111720 | Method and apparatus for providing separate read/write velocity curves | Donald Lee Clare, Bernd Lamberts | 2000-08-29 |
| 6088188 | System and method for determining when hard disk drive power amplifier is saturated | Mantle Man-Hon Yu | 2000-07-11 |
| 6078445 | Gain control for a dual burst, dual frequency PES servo pattern | Mantle Man-Hon Yu | 2000-06-20 |
| 6049438 | Method and apparatus for encoding digital servo information in a servo burst | Mantle Man-Hon Yu | 2000-04-11 |
| 6034835 | Multiple servo track types using multiple frequency servo patterns | — | 2000-03-07 |