| |
 |
|
Class Information
Number: 360/77.08
Name: Dynamic magnetic information storage or retrieval > Automatic control of a recorder mechanism > Controlling the head > Track centering > Rotary carrier > By tracking signal recorded on or immediately beneath surface > Distinct servo sector
Description: Subject matter wherein a transducer head motor control signal is stored in a disk sector distinct from sectors containing information signals.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| RE40955 |
Method and apparatus for storing position offset information on a hard drive assembly cylinder |
Nov. 10, 2009 |
| 7616399 |
Disk drive servo control techniques to preserve PES continuity |
Nov. 10, 2009 |
| 7602575 |
Disk drive adjusting estimated reader/writer offset to achieve target burst crossing signal amplitude when propagating servo sectors |
Oct. 13, 2009 |
| 7602576 |
Data reading method and storage device |
Oct. 13, 2009 |
| 7595955 |
Disk drive device and method for error recovery procedure therefor |
Sep. 29, 2009 |
| 7595954 |
Disk drive to estimate repeatable runout (RRO) based upon on an optimal mean square estimation (MSE) learning method |
Sep. 29, 2009 |
| 7589929 |
Servo pattern writing apparatus, servo pattern writing method, servo pattern reading apparatus, and servo pattern reading method |
Sep. 15, 2009 |
| 7586713 |
Control apparatus, storage apparatus, and head control method |
Sep. 8, 2009 |
| 7583469 |
Up-sampled filtering for servo demodulation |
Sep. 1, 2009 |
| 7580216 |
Disk servo pattern writing |
Aug. 25, 2009 |
| 7580218 |
Magnetic head tester using magnetic disk with pre-written servo |
Aug. 25, 2009 |
| 7580212 |
Magnetic disk having efficiently stored WRRO compensation value redundancy information and method for using the redundancy information |
Aug. 25, 2009 |
| 7576941 |
Disk drive writing wedge RRO values in a butterfly pattern |
Aug. 18, 2009 |
| 7576942 |
Servo sector format with large lithographic tolerances |
Aug. 18, 2009 |
| 7573669 |
Method and apparatus for writing pattern on disk |
Aug. 11, 2009 |
| 7567406 |
Method of writing pattern on magnetic disk and device therefor |
Jul. 28, 2009 |
| 7561371 |
Magnetic disk device, servo-information writing device, magnetic disk, and magnetic disk device manufacturing method |
Jul. 14, 2009 |
| 7561359 |
Spiral servo patterns with absolute reference point |
Jul. 14, 2009 |
| 7554768 |
Information recording medium with concave/convex servo pattern having decreasing unit convex part length ratio |
Jun. 30, 2009 |
| 7548394 |
Magnetic recording medium and magnetic recording/reproducing apparatus |
Jun. 16, 2009 |
| 7545593 |
Magnetic storage systems and methods with tighter write fault window to improve reliability |
Jun. 9, 2009 |
| 7542229 |
Magnetic recording-reproducing apparatus |
Jun. 2, 2009 |
| 7542230 |
Disk drive during self-servo writing |
Jun. 2, 2009 |
| 7538965 |
Method and apparatus for writing servo management information in a disk drive |
May. 26, 2009 |
| 7538968 |
Magnetic recording medium and magnetic recording/reproducing apparatus |
May. 26, 2009 |
| 7532423 |
Magnetic recording medium, recording/reproducing apparatus, and stamper |
May. 12, 2009 |
| 7532430 |
Magnetic recording medium and magnetic recording/reproducing apparatus |
May. 12, 2009 |
| 7529059 |
Method for determining read/write head position based on phase detection of a servo pattern |
May. 5, 2009 |
| 7525755 |
Magnetic recording medium and magnetic recording/reproducing apparatus |
Apr. 28, 2009 |
| 7518819 |
Disk drive rewriting servo sectors by writing and servoing off of temporary servo data written in data sectors |
Apr. 14, 2009 |
| 7515375 |
Positioning control device and disk device |
Apr. 7, 2009 |
| 7505220 |
Magnetic recording medium, recording/reproducing apparatus, and stamper |
Mar. 17, 2009 |
| 7504795 |
Head position control method, head position control device, and disk device |
Mar. 17, 2009 |
| 7502197 |
Disk drive demodulating a time-based servo pattern |
Mar. 10, 2009 |
| 7499238 |
Systems and methods for improving disk drive synchronization |
Mar. 3, 2009 |
| 7492545 |
Method and system for automatic time base adjustment for disk drive servo controllers |
Feb. 17, 2009 |
| 7489467 |
Method for measuring track width of hard disk drive |
Feb. 10, 2009 |
| 7483235 |
Position detecting circuit, information recording apparatus, and magnetic disk device |
Jan. 27, 2009 |
| 7477485 |
Information recording medium, recording/reproducing apparatus, and stamper |
Jan. 13, 2009 |
| 7474506 |
Magnetic recording medium, recording/reproducing apparatus, and stamper |
Jan. 6, 2009 |
| 7474494 |
Magnetic disk device with positioning control |
Jan. 6, 2009 |
| 7474493 |
Alternative DC-burst servo pattern for perpendicular recording |
Jan. 6, 2009 |
| 7471480 |
Self servo writing method, hard disk drive using the same, and recording medium storing the method |
Dec. 30, 2008 |
| 7471485 |
Method and system for head position control in embedded disk drive controllers |
Dec. 30, 2008 |
| 7460328 |
Compensation for variable servo track width |
Dec. 2, 2008 |
| 7457071 |
Locating an initial servo track in order to servo write a disk drive from spiral tracks |
Nov. 25, 2008 |
| 7453664 |
Positioning control circuit, measurement apparatus for trace information and related method |
Nov. 18, 2008 |
| 7453663 |
Disk drives with servo burst patterns radially offset in different radial spokes of a disk and methods of positioning based thereon |
Nov. 18, 2008 |
| 7450336 |
Method for improved repeatable run out learning in a disk drive |
Nov. 11, 2008 |
| 7443622 |
Magnetic recording medium, magnetic recording/reproducing apparatus, and stamper for manufacturing the magnetic recording medium |
Oct. 28, 2008 |
|
|
|
