| Patent Number |
Title Of Patent |
Date Issued |
| 7538970 |
Storage apparatus, storage apparatus control method, and computer product |
May 26, 2009 |
| A seek-information storing unit stores seek information including a correlation between a seek distance indicating a shift distance from a current track to a target track where a target frame for a data input/out is located and a seek time indicating a shifting time that takes for a |
| 7522363 |
Medium storage device and medium rotation synchronization processing method for medium storage d |
April 21, 2009 |
| A medium storage device writes or read data on a storage medium synchronizing the rotation of the storage medium with the DSW method for decreasing the gap length considering the rotation jitter. The medium storage device has a controller for generating synchronization timing signals |
| 7479747 |
Storage device and motor control device |
January 20, 2009 |
| In a storage device, a BEMF control is not performed on a motor and the motor is stopped if the motor is in a BEMF-control possible state. Once the motor has completely stopped, a start-up control is performed on the motor. |
| 7477468 |
Control apparatus, storage device, and head retracting method |
January 13, 2009 |
| A retraction control unit controls a retraction of a head of a storage device to a retraction position apart from a ramp by a predetermined distance. When the head is retracted from the retraction position to the ramp, a speed control unit controls a speed of the head to ascend the r |
| 7436612 |
Storage apparatus, storage apparatus control method, and computer product |
October 14, 2008 |
| A calculating unit calculates an interval time from a detection of a servo sync mark until a detection of an adjacent servo sync mark, for all servo sync marks on a track of a disk-shaped recording medium. A measuring unit measures, based on the calculated interval time, a deviation amou |
| 7420762 |
Head slap detecting device, storage device, head slap detecting method, and computer product |
September 2, 2008 |
| A head-slap detecting device detects a head slap. The head slap causes a storage medium to be slapped by at least one storage-medium driving unit that performs at least one of reproduction and recording of data from and to the storage medium. The head-slap detecting device includes a |
