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Class Information
Number: 360/77.01
Name: Dynamic magnetic information storage or retrieval > Automatic control of a recorder mechanism > Controlling the head > Track centering
Description: Subject matter for aligning a transducer head with the midpoint of a continuous information containing path.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7602576 |
Data reading method and storage device |
Oct. 13, 2009 |
| 7522365 |
Magnetic storage systems and methods allowing for recovery of data blocks written off-track with non-constant offsets |
Apr. 21, 2009 |
| 7486470 |
Hard disk drive vibration cancellation using adaptive filter |
Feb. 3, 2009 |
| 7466510 |
Distributed servo patterns for data storage media |
Dec. 16, 2008 |
| 7440221 |
Calibration of reader/writer offset in hard disk drive using shingled recording |
Oct. 21, 2008 |
| 7440216 |
Rotary piezoelectric microactuator with an optimum suspension arrangement |
Oct. 21, 2008 |
| 7430091 |
Method and apparatus for improving the performance of a disk drive |
Sep. 30, 2008 |
| 7428120 |
System and method for deconvolution of multiple data tracks |
Sep. 23, 2008 |
| 7420763 |
Disk drive control circuit and method |
Sep. 2, 2008 |
| 7385781 |
Multi-arm disk drive system having interleaved read/write operations and method of controlling same |
Jun. 10, 2008 |
| 7312945 |
Techniques for adjusting for actuator non-linearities in a data storage system |
Dec. 25, 2007 |
| 7298574 |
Servo writing a disk drive using correction values that attenuate phase error propagation |
Nov. 20, 2007 |
| 7292402 |
Systems and methods for multipass servowriting with a null burst pattern |
Nov. 6, 2007 |
| 7253986 |
System and method for deconvolution of multiple data tracks |
Aug. 7, 2007 |
| 7245452 |
Disk drive with altitude detection via analysis of non-repeatable runout components |
Jul. 17, 2007 |
| 7206162 |
Seek trajectory generation using adaptive filtering |
Apr. 17, 2007 |
| 7196864 |
Disk drive having a servo control system optimized for faster determination of repeatable runout correction values and related method |
Mar. 27, 2007 |
| 7180696 |
Methods for selective multi-pass servowriting and self-servowriting |
Feb. 20, 2007 |
| 7180695 |
Systems for self-servowriting with multiple passes per servowriting step |
Feb. 20, 2007 |
| 7124654 |
Method for determining a microactuator range of movement |
Oct. 24, 2006 |
| 7082006 |
Compact optical tracking system for magnetic tape |
Jul. 25, 2006 |
| 7064914 |
Position error signal quality |
Jun. 20, 2006 |
| 6975478 |
Method for calibrating disk drive servo control system gain values during manufacturing |
Dec. 13, 2005 |
| 6958881 |
Disk drive control system having a servo processing accelerator circuit |
Oct. 25, 2005 |
| 6943970 |
Position demodulating method and circuit of disk apparatus |
Sep. 13, 2005 |
| 6943969 |
Method of detecting protrusion on recording medium and detecting apparatus therefor |
Sep. 13, 2005 |
| 6937421 |
Patterned media having offset tracks |
Aug. 30, 2005 |
| 6906886 |
Peak to peak detect method to protect seek/settle induced encroachment |
Jun. 14, 2005 |
| 6847503 |
Repeatable runout compensation in a disc drive |
Jan. 25, 2005 |
| 6826006 |
Method for recursively determining repeatable runout cancellation values in a magnetic disk drive |
Nov. 30, 2004 |
| 6798604 |
Controller circuit connectable to an actuator designed to position a head in a recording medium drive according to a filtered positioning control signal |
Sep. 28, 2004 |
| 6781778 |
Time-based sectored servo data format |
Aug. 24, 2004 |
| 6771454 |
Suspension sense capability for windage control |
Aug. 3, 2004 |
| 6768606 |
Track position error determination |
Jul. 27, 2004 |
| 6768604 |
Method for reduction of off-track errors in data storage tape systems |
Jul. 27, 2004 |
| 6738218 |
Disk storage device and head positioning method |
May. 18, 2004 |
| 6735033 |
Method for recovering from shock events occurring to a disk drive during data write operations to improve data reliability |
May. 11, 2004 |
| 6728060 |
Disc drive with delayed reassignment write |
Apr. 27, 2004 |
| 6724559 |
Magnetic tape unit |
Apr. 20, 2004 |
| 6657801 |
Disk drive with improved characterization segment pattern and method of recording the same |
Dec. 2, 2003 |
| 6538838 |
Method and apparatus for closed-loop spin-stand testing |
Mar. 25, 2003 |
| 6523747 |
Apparatus for reading permanently structured magnetic records |
Feb. 25, 2003 |
| 6490121 |
Accelerated servo control calculations method and apparatus for a disc drive |
Dec. 3, 2002 |
| 6483658 |
Method of measuring the read-to-write offset in a disc drive having separate read and write elements |
Nov. 19, 2002 |
| 6456449 |
Disk drive with wide servo burst pattern and wide servo sensing element |
Sep. 24, 2002 |
| 6445529 |
Corrected servo control signal in a servo control loop |
Sep. 3, 2002 |
| 6426846 |
Decoding digitally sampled servo tracks |
Jul. 30, 2002 |
| 6154335 |
Method and apparatus for positioning a dual element magnetoresistive head |
Nov. 28, 2000 |
| 6108159 |
Data track edge follower servo method and apparatus |
Aug. 22, 2000 |
| 6081401 |
Step gap head tracking servo |
Jun. 27, 2000 |
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