Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11086717 | Random selection of code words for read voltage calibration | Mehmet Emin Aklik, Antoine Khoueir, Ara Patapoutian, Colin Kenneth Hill, Darshana H. Mehta | 2021-08-10 |
| 11017850 | Master set of read voltages for a non-volatile memory (NVM) to mitigate cross-temperature effects | Darshana H. Mehta, Antoine Khoueir, Christopher Joseph Curl | 2021-05-25 |
| 11017864 | Preemptive mitigation of cross-temperature effects in a non-volatile memory (NVM) | Darshana H. Mehta, Antoine Khoueir, Christopher Joseph Curl | 2021-05-25 |
| 10956064 | Adjusting code rates to mitigate cross-temperature effects in a non-volatile memory (NVM) | Darshana H. Mehta, Antoine Khoueir, Christopher Joseph Curl | 2021-03-23 |
| 7586831 | Amplitude modulated addressing in disk pregroove | Johannes J. Verboom | 2009-09-08 |
| 6961291 | System for enhanced astigmatic focus signal detection | Ronald P. Stahl | 2005-11-01 |
| 6741529 | Method and apparatus for moving carriage assembly from initial position to target position and optical disc system including same | — | 2004-05-25 |
| 6532199 | Optical actuator assembly with lens position sensor for recording or playback | Leonardus J. Grassens | 2003-03-11 |
| 6418097 | Analog to digital converter assembly for normalizing servo error signals and multiplexing reference voltage inputs and digital outputs and improved optical drive system including same | David L. Schell, Randolph Scott Crupper, Leonardus I. Grassens, David E. Lewis, Marvin B. Davis | 2002-07-09 |
| 6266306 | Analog to digital converter and assembly for use in optical drive system to normalize servo error signals and multiplex reference voltage inputs and digital outputs | David L. Schell, Randolph Scott Crupper, Leonardus J. Grassens, David E. Lewis, Marvin B. Davis | 2001-07-24 |
| 6243336 | Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal and focus capture method for use in same | David L. Schell, Randolph Scott Crupper, Marvin B. Davis, Leonardus J. Grassens, David E. Lewis | 2001-06-05 |
| 6141300 | Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same | Leonardus J. Grassens | 2000-10-31 |
| 6122232 | Isolation apparatus for use in disc drive system to mitigate effects of undesired mechanical forces and disc drive system including same | David L. Schell, Randolph Scott Crupper, Marvin B. Davis, Leonardus J. Grassens, David E. Lewis | 2000-09-19 |
| 6058081 | Optical drive system having servomotor operated relative to maximum quad sum signal | David L. Schell, Randolph Scott Crupper, Leonardus J. Grassens, David E. Lewis, Marvin B. Davis | 2000-05-02 |
| 5986983 | Multiple degrees of freedom actuator for optical recording | Charles J. Simpson, Philip F. Marino | 1999-11-16 |
| 5974007 | Apparatus for moving a carriage assembly from an initial position to a target position | — | 1999-10-26 |
| 5808980 | Seek actuator for optical recording | Leonardus J. Grassens | 1998-09-15 |
| 5729511 | Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal | David L. Schell, Randolph Scott Crupper, Marvin B. Davis, Leonardus J. Grassens, David E. Lewis | 1998-03-17 |
| 5710745 | Assembly having flux-directing return yoke for magneto-optical drive | — | 1998-01-20 |
| 5677899 | Method for moving carriage assembly from initial position to target position relative to storage medium | — | 1997-10-14 |
| 5532989 | Seek actuator for optical recording | Leonardus J. Grassens | 1996-07-02 |
| 5313332 | Flexure suspension for two axis actuator | David L. Schell, Leonardus J. Grassens | 1994-05-17 |
| 5265079 | Seek actuator for optical recording | Leonardus J. Grassens | 1993-11-23 |
| 5136558 | Two axis electromagnetic actuator | Leonardus J. Grassens, David L. Schell | 1992-08-04 |
| 5031166 | Optical disk tracking and seeking systems and specific track formats using discontinuities and circuitry therefor | Johannes J. Verboom | 1991-07-09 |