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Class Information
Number: 360/78.01
Name: Dynamic magnetic information storage or retrieval > Automatic control of a recorder mechanism > Controlling the head > Track changing
Description: Subject matter having structure to change the path of the head on the record medium from one continuous information containing path to another.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7586712 |
Method of and apparatus for detecting actuator vibration in hard disc drive, and hard disc drive write control method of avoiding effect due to read/write head vibration |
Sep. 8, 2009 |
| 7276874 |
Storage apparatus, seek control method and program |
Oct. 2, 2007 |
| 7274530 |
Logical mapping for improved head switching between corresponding tracks in a data handling device |
Sep. 25, 2007 |
| 7271972 |
Method and apparatus for reducing seek acoustics using a variable-bandwidth low-pass filter |
Sep. 18, 2007 |
| 7196859 |
Processing techniques for time-based servo patterns |
Mar. 27, 2007 |
| 7133231 |
Method and apparatus for recording data on hard disk drive, and storage medium therefor |
Nov. 7, 2006 |
| 7085092 |
Head slider receiving variable urging force in recording medium drive |
Aug. 1, 2006 |
| 7064914 |
Position error signal quality |
Jun. 20, 2006 |
| 7009807 |
Methods and systems for improved deceleration control for a disk drive |
Mar. 7, 2006 |
| 6961204 |
Head position control method and disk storage device |
Nov. 1, 2005 |
| 6943970 |
Position demodulating method and circuit of disk apparatus |
Sep. 13, 2005 |
| 6940680 |
Method and apparatus for head positioning control in disk drive |
Sep. 6, 2005 |
| 6917490 |
System and method for storing information in a disk drive |
Jul. 12, 2005 |
| 6898042 |
Slider level microactuator with integrated fly control |
May. 24, 2005 |
| 6850384 |
Disk drive comprising oscillators and counters for sensing current in a voice coil motor |
Feb. 1, 2005 |
| 6850383 |
Disk drive comprising current sense circuitry for a voice coil motor |
Feb. 1, 2005 |
| 6848019 |
Performance in a data storage device using head-to-head offsets in access command scheduling |
Jan. 25, 2005 |
| 6738219 |
Seek pattern formation circuit |
May. 18, 2004 |
| 6728060 |
Disc drive with delayed reassignment write |
Apr. 27, 2004 |
| 6693765 |
Information storage apparatus and method of controlling the same |
Feb. 17, 2004 |
| 6684287 |
Turning read/write performance for disk drives with very high track density |
Jan. 27, 2004 |
| 6512652 |
Power saving method and apparatus for computer disk drives |
Jan. 28, 2003 |
| 6496315 |
Disk drive with off-track write prevention |
Dec. 17, 2002 |
| 6388413 |
Head switch seek on disc drives with multiple recording heads |
May. 14, 2002 |
| 6271636 |
Servo control system and method for a data storage device with improved braking |
Aug. 7, 2001 |
| 6141170 |
Signal processing with frequency component detection in two modes |
Oct. 31, 2000 |
| 6031671 |
Modulation of buried servo on magnetic tape |
Feb. 29, 2000 |
| 6025968 |
Load/unload disk drive with multistage retract circuit for parking the head carriers on power down |
Feb. 15, 2000 |
| 5859742 |
Disk storage apparatus having head overshoot and undershoot control |
Jan. 12, 1999 |
| 5844743 |
Velocity sensing using actuator coil back-emf voltage |
Dec. 1, 1998 |
| 5793555 |
Seek optimization for disk files with side-by-side head |
Aug. 11, 1998 |
| 5633568 |
Method and apparatus for dynamic low voltage spindle motor operation |
May. 27, 1997 |
| 5627946 |
Hard disk format using frames of sectors to optimize location of servo bursts |
May. 6, 1997 |
| 5612834 |
Servo burst controller for a magnetic disk |
Mar. 18, 1997 |
| 5596737 |
Sequencer map for a hard disk controller combining data and next-addres fields |
Jan. 21, 1997 |
| 5521774 |
Memory storage module for storing and accessing |
May. 28, 1996 |
| 5442497 |
Head shifting device in a recording and/or reproducing apparatus |
Aug. 15, 1995 |
| 5426758 |
Method and system for accessing data from a multi-head data processing system utilizing a transducer head switching table |
Jun. 20, 1995 |
| 5253124 |
Apparatus for forming recording tracks on disks with different track-number formats |
Oct. 12, 1993 |
| 5233486 |
Method for correcting track counting errors during seeks in a hard disc drive |
Aug. 3, 1993 |
| 5229895 |
Multi-track servo recording head assembly |
Jul. 20, 1993 |
| 5208710 |
Method for high speed positional control of a transducer for rotating disk data storage apparatus |
May. 4, 1993 |
| 5087996 |
Disk drive method and apparatus |
Feb. 11, 1992 |
| 4908561 |
Servo amplifier circuit |
Mar. 13, 1990 |
| 4903151 |
Head positioning system for positioning a multiple head with respect to data and servo trasks of a recording medium |
Feb. 20, 1990 |
| 4860131 |
Method for recorrecting head position in a disk drive |
Aug. 22, 1989 |
| 4805051 |
Apparatus for recording and reproducing data on a magnetic recording medium |
Feb. 14, 1989 |
| 4777538 |
For stabilizing video image during recorded program changes |
Oct. 11, 1988 |
| 4724369 |
Speed control apparatus in magnetic disk apparatus |
Feb. 9, 1988 |
| 4627043 |
Head shifting apparatus |
Dec. 2, 1986 |
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