| |
 |
|
Class Information
Number: 360/78.09
Name: Dynamic magnetic information storage or retrieval > Automatic control of a recorder mechanism > Controlling the head > Track changing > For rotary carrier (e.g., disc) > Including model of servo system or element
Description: Subject matter in which the track changing arrangement includes a device which simulates the operation of a servo system which controls the motion of a transducer head, or a component of such a system.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619850 |
Magnetic disk apparatus and magnetic head control method |
Nov. 17, 2009 |
| 7609474 |
Seek control method, seek control device and disk device |
Oct. 27, 2009 |
| 7595957 |
Servo gain adjustment based on bias force error |
Sep. 29, 2009 |
| 7589931 |
Method, apparatus, and storage medium for controlling track seek servo in disk drive, and disk drive using same |
Sep. 15, 2009 |
| 7570452 |
Two degree of freedom position control method, two degree of freedom position control device, and medium storage device |
Aug. 4, 2009 |
| 7554761 |
Open loop Ka calibration with low frequency compensation |
Jun. 30, 2009 |
| 7548393 |
HDD track following control apparatus and method |
Jun. 16, 2009 |
| 7499239 |
Feedforward controller and methods for use therewith |
Mar. 3, 2009 |
| 7489472 |
High-order hybrid actuator controller |
Feb. 10, 2009 |
| 7466507 |
Rangeless servo notch optimization |
Dec. 16, 2008 |
| 7460331 |
Seek control method, seek control device and medium storage device |
Dec. 2, 2008 |
| 7460330 |
Settling judgment method for positioning control device and positioning control device |
Dec. 2, 2008 |
| 7440225 |
Disk drive employing pivot friction compensation |
Oct. 21, 2008 |
| 7423838 |
Servo control method and apparatus suitable for the same |
Sep. 9, 2008 |
| 7420764 |
Servo controller method and apparatus for high tracks per inch hard disk drives using a delay accomodating state estimator |
Sep. 2, 2008 |
| 7411761 |
Seek adaptation system in hard disk drives |
Aug. 12, 2008 |
| 7394613 |
Control device, disk device, and seek orbit generation method |
Jul. 1, 2008 |
| 7394614 |
Control method to reduce settle TMR in hard disk drives |
Jul. 1, 2008 |
| 7379262 |
Higher-order state estimator for low TMR in hard disk drives |
May. 27, 2008 |
| 7372660 |
Disc storage system with adaptive PID control |
May. 13, 2008 |
| 7372658 |
Correction table creation method for head position control, head position control method and disk device |
May. 13, 2008 |
| 7359140 |
Method and apparatus of acceleration-based track seeking servo control of disk drive |
Apr. 15, 2008 |
| 7349173 |
Self-tuning settle controller in hard disk drives |
Mar. 25, 2008 |
| 7349174 |
Soft sensor for operating shock in a disc drive |
Mar. 25, 2008 |
| 7330331 |
Repeatable runout estimation in a noisy position error signal environment |
Feb. 12, 2008 |
| 7327103 |
Driver and method for control of voice coil motor in disk drive |
Feb. 5, 2008 |
| 7315433 |
Non-repeatable run out compensating apparatus and method and disc drive using the same |
Jan. 1, 2008 |
| 7307810 |
Method of compensating for track address discontinuity across servo track writing boundary in hard disk drives |
Dec. 11, 2007 |
| 7304751 |
Apparatus and method for automatically measuring characteristics of a hard disk drive carriage arm |
Dec. 4, 2007 |
| 7295397 |
Feedforward controller and methods for use therewith |
Nov. 13, 2007 |
| 7292404 |
Signal reproducing method and storage apparatus |
Nov. 6, 2007 |
| 7286318 |
Optimization of position mode seeking of a disk drive head based on measured open loop actuator response |
Oct. 23, 2007 |
| 7283321 |
Disk drives and methods allowing for dual stage actuator adaptive seek control and microactuator gain calibration |
Oct. 16, 2007 |
| 7248428 |
Method, medium, and apparatus controlling track seek in a recording and/or reproducing apparatus |
Jul. 24, 2007 |
| 7248429 |
Adaptive settling control method and apparatus in track seek mode of disc drive |
Jul. 24, 2007 |
| 7206162 |
Seek trajectory generation using adaptive filtering |
Apr. 17, 2007 |
| 7203028 |
Settling servo control method and apparatus for hard disc drive and method and apparatus for estimating acceleration constant of voice coil motor actuator suitable for the settling servo contr |
Apr. 10, 2007 |
| 7193808 |
Correction table creation method for head position control, head position control method and disk device |
Mar. 20, 2007 |
| 7161761 |
Magnetic disk drive with feedback control |
Jan. 9, 2007 |
| 7149048 |
Method and apparatus for improving spiral-based position correction system stability via kernel frequency component modification |
Dec. 12, 2006 |
| 7136257 |
Apparatus and method for maintaining stability in a disc drive servo loop |
Nov. 14, 2006 |
| 7136256 |
Head positioning control method for a storage device and head positioning control device |
Nov. 14, 2006 |
| 7085096 |
Method of generating current trajectory for seek control of hard disc drive and seek control system using the same |
Aug. 1, 2006 |
| 7046478 |
Method and apparatus for reducing vibration in a dynamic system |
May. 16, 2006 |
| 7035042 |
Fast positioning of disk drives and other physical systems |
Apr. 25, 2006 |
| 7031101 |
Methods, apparatus and computer program products for controlling seeking of a transducer based on phase dependent state error |
Apr. 18, 2006 |
| 7031095 |
Servo controller method and apparatus for high tracks per inch hard disk drives using a delay accomodating state estimator |
Apr. 18, 2006 |
| 6999263 |
Method and apparatus for self servowriting of tracks of a disk drive using a servo control loop having a two-dimensional weighted digital state compensator |
Feb. 14, 2006 |
| 6999909 |
Process for designing an optimal vibration isolation mount for a disc drive |
Feb. 14, 2006 |
| 6995945 |
Head positioning system, disk drive apparatus using the same, and head positioning method |
Feb. 7, 2006 |
|
|
|
