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Class Information
Number: 360/76
Name: Dynamic magnetic information storage or retrieval > Automatic control of a recorder mechanism > Controlling the head > Azimuth or skew
Description: Subject matter wherein the angle between head gap or gaps and record track or tracks is controlled.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7602575 |
Disk drive adjusting estimated reader/writer offset to achieve target burst crossing signal amplitude when propagating servo sectors |
Oct. 13, 2009 |
| 7595955 |
Disk drive device and method for error recovery procedure therefor |
Sep. 29, 2009 |
| 7586709 |
Read write offset error correction using geometric reference in self servo write process |
Sep. 8, 2009 |
| 7570446 |
Disk drive with improved format efficiency and control method thereof |
Aug. 4, 2009 |
| 7570448 |
Write-once type storage apparatus, control method and record control circuit |
Aug. 4, 2009 |
| 7567405 |
Servo information recording device and servo information recording method |
Jul. 28, 2009 |
| 7538966 |
Read/write head azimuth determination via servo band signal information |
May. 26, 2009 |
| 7508619 |
Magnetic head and magnetic disc drive |
Mar. 24, 2009 |
| 7502192 |
Magnetic disk drive and method for efficiently determining and storing RRO compensation values using a secondary micro-actuator |
Mar. 10, 2009 |
| 7492545 |
Method and system for automatic time base adjustment for disk drive servo controllers |
Feb. 17, 2009 |
| 7436621 |
Azimuth compensation using combination bump pes detection |
Oct. 14, 2008 |
| 7420758 |
Head system, recording and reproduction system, and magnetic recording method |
Sep. 2, 2008 |
| 7379257 |
Magnetic disk drive |
May. 27, 2008 |
| 7239472 |
Method and apparatus for writing data in a disk drive |
Jul. 3, 2007 |
| 7193807 |
Method and apparatus for reducing effective track width through highly skewed head angles |
Mar. 20, 2007 |
| 7173785 |
Data storage device and servo information writing method |
Feb. 6, 2007 |
| 7158338 |
Servo track having periodic frames of tone field and embedded synchronization marks |
Jan. 2, 2007 |
| 7142389 |
Tape drive |
Nov. 28, 2006 |
| 7123432 |
Servo writer with adjustment mechanism |
Oct. 17, 2006 |
| 7095582 |
Magnetic tape drive |
Aug. 22, 2006 |
| 7092198 |
Access performance adjusting method and storage apparatus |
Aug. 15, 2006 |
| 7072136 |
Method and apparatus for dynamically establishing pitch static attitude in hard disk drive |
Jul. 4, 2006 |
| 7009801 |
Method and apparatus for dynamically establishing roll static attitude in hard disk drive |
Mar. 7, 2006 |
| 7009794 |
Magnetic recording and reproducing device |
Mar. 7, 2006 |
| 6989949 |
Performance test method of head gimgal assembly with precise positioning actuator |
Jan. 24, 2006 |
| 6987637 |
Magnetic recording system which eliminates skew angle effect |
Jan. 17, 2006 |
| 6967810 |
System and method for writing HDD depending on direction of head skew |
Nov. 22, 2005 |
| 6965490 |
Multi-channel head position controlling apparatus and method of controlling position of multi-channel head |
Nov. 15, 2005 |
| 6950256 |
Magnetic storage medium, method for controlling track pitch thereof, and magnetic recorder for medium |
Sep. 27, 2005 |
| 6947247 |
Large angle azimuth recording and head configurations |
Sep. 20, 2005 |
| 6943969 |
Method of detecting protrusion on recording medium and detecting apparatus therefor |
Sep. 13, 2005 |
| 6937425 |
Head-track alignment |
Aug. 30, 2005 |
| 6937421 |
Patterned media having offset tracks |
Aug. 30, 2005 |
| 6922301 |
Positioner of a disk drive that positions a data transducer with reduced vibration |
Jul. 26, 2005 |
| 6898045 |
Media with pre-recorded alignment transitions |
May. 24, 2005 |
| 6873488 |
Enhanced MR offset with dynamic tuning range |
Mar. 29, 2005 |
| 6839193 |
Method and apparatus for determining read-to-write head offset of a disk drive |
Jan. 4, 2005 |
| 6781784 |
Reading tape with transverse distortion |
Aug. 24, 2004 |
| 6778343 |
Method, apparatus and storage system having storage media with different track pitch based upon a width of a write element associated therewith |
Aug. 17, 2004 |
| 6754030 |
Optimal reader-to-writer offset measurement of a head in a disc drive for reduced track misregistration |
Jun. 22, 2004 |
| 6728054 |
Drive with adaptive data format and head switch sequencing |
Apr. 27, 2004 |
| 6724561 |
Apparatus and method for compensating for environmental effects on media |
Apr. 20, 2004 |
| 6724559 |
Magnetic tape unit |
Apr. 20, 2004 |
| 6714369 |
Method and apparatus for writing clock data to a storage medium |
Mar. 30, 2004 |
| 6700729 |
Alignment marks for tape head positioning |
Mar. 2, 2004 |
| 6687069 |
Methods, apparatus and program products for determining off-track time shift estimates to be used in writing timing patterns on a storage medium |
Feb. 3, 2004 |
| 6671790 |
Optimizing reader to writer offset compensation for a disc drive |
Dec. 30, 2003 |
| 6650496 |
Fully integrated matrix magnetic recording head with independent control |
Nov. 18, 2003 |
| 6545837 |
Method and apparatus for servo controlled azimuth data recording |
Apr. 8, 2003 |
| 6538836 |
Microactuator for fine positioning in a disc drive |
Mar. 25, 2003 |
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