Issued Patents 2005
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6970319 | Disk drive comprising a pulse width modulated demand limit circuit for enhancing power management during spin-down | Robert P. Ryan | 2005-11-29 |
| 6967458 | Decreasing spin up time in a disk drive by adjusting a duty cycle of a spindle motor PWM signal to maintain constant average input current | Robert P. Ryan | 2005-11-22 |
| 6965488 | Disk drive controlling ripple current of a voice coil motor when driven by a PWM driver | — | 2005-11-15 |
| 6952322 | Disk drive reading servo sectors recorded at a relative offset on multiple disk surfaces to increase the servo sample rate | Raffi Codilian | 2005-10-04 |
| 6876508 | Disk drive comprising control circuitry powered by a secondary voltage supplied by a center tap of a spindle motor during a normal operating mode | Charles R. Patton, III | 2005-04-05 |
| 6850384 | Disk drive comprising oscillators and counters for sensing current in a voice coil motor | — | 2005-02-01 |
| 6850383 | Disk drive comprising current sense circuitry for a voice coil motor | — | 2005-02-01 |
| 6847504 | Split VCM actuator | Charles R. Patton, III | 2005-01-25 |