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Class Information
Number: 360/73.01
Name: Dynamic magnetic information storage or retrieval > Automatic control of a recorder mechanism > Controlling the record > Speed
Description: Subject matter which controls the speed of a record carrier past a transducing position.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619845 |
Method and apparatus for controlling disc drive using counter-electromotive force |
Nov. 17, 2009 |
| 7602569 |
Magnetic tape and magnetic tape cartridge |
Oct. 13, 2009 |
| 7602570 |
Motor power controller for a disk drive, disk drive comprising a motor power controller and method for controlling the motor power of a disk drive |
Oct. 13, 2009 |
| 7496696 |
Method and apparatus for evaluating performance on host data transfer within a tape drive |
Feb. 24, 2009 |
| 7468590 |
Method and apparatus for initializing operation of a disk drive |
Dec. 23, 2008 |
| 7440218 |
Charge remover for magnetic disk |
Oct. 21, 2008 |
| 7428117 |
Servo signal inspecting device and method for inspecting servo signal |
Sep. 23, 2008 |
| 7403459 |
Rotational speed control method for a disk player |
Jul. 22, 2008 |
| 7394736 |
Dynamic speed control method for storage device |
Jul. 1, 2008 |
| 7375923 |
High speed and high capacity data storage array |
May. 20, 2008 |
| 7218469 |
Reel driving apparatus and magnetic recording and reproducing device having the same |
May. 15, 2007 |
| 7130139 |
Write velocity identification |
Oct. 31, 2006 |
| 7095201 |
Method and apparatus for providing a user selectable start-up current in a disk drive |
Aug. 22, 2006 |
| 6989953 |
Disk drive and disk drive-containing device having selectively controllable spindle motor spin up profiles |
Jan. 24, 2006 |
| 6956709 |
Write velocity identification in a PRML system |
Oct. 18, 2005 |
| 6954324 |
Disk drive disabling BEMF detection window to reduce acoustic noise while using wedge spindle speed control |
Oct. 11, 2005 |
| 6940675 |
Efficient hard disk drive energy recovery circuit and method and a hard disk drive incorporating the same |
Sep. 6, 2005 |
| 6937416 |
Process for controlling the capstan in a video tape recorder (VTR) |
Aug. 30, 2005 |
| 6914740 |
Disk drive employing BEMF spindle speed control or wedge spindle speed control |
Jul. 5, 2005 |
| 6888692 |
Method and apparatus for implementing intelligent spin-up for a disk drive |
May. 3, 2005 |
| 6819072 |
Disk drive servo arm retract and spindle brake circuit |
Nov. 16, 2004 |
| 6807023 |
Method and apparatus for dubbing a recording tape loaded with information |
Oct. 19, 2004 |
| 6795387 |
Dynamic speed control method for storage device |
Sep. 21, 2004 |
| 6759821 |
Disk drive apparatus and motor |
Jul. 6, 2004 |
| 6760176 |
Method and apparatus for calibrating a tape transport servo system |
Jul. 6, 2004 |
| 6745976 |
Data tape speed tachometer using a porous roller bearing |
Jun. 8, 2004 |
| 6617817 |
Electrical time constant compensation method for switched, voltage-mode driver circuit |
Sep. 9, 2003 |
| 6560658 |
Data storage device with quick and quiet modes |
May. 6, 2003 |
| 6541935 |
Method for controlling stepping motor |
Apr. 1, 2003 |
| 6469858 |
Motor current consumption control system for a flexible magnetic disk drive or the like |
Oct. 22, 2002 |
| 6441985 |
Media velocity detection for a capstanless tape transport system |
Aug. 27, 2002 |
| 6364234 |
Tape loop/slack prevention method and apparatus for tape drive |
Apr. 2, 2002 |
| 6314473 |
System for removing selected unwanted frequenices in accordance with altered settings in a user interface of a data storage device |
Nov. 6, 2001 |
| 6304406 |
Rotational vibration compensation using a fixed head and a constant frequency pattern |
Oct. 16, 2001 |
| 6236032 |
Tracking pull-in circuit for reducing effect by a defect in a tracking servo loop |
May. 22, 2001 |
| 6227476 |
Take-up control device for loaded tape casette in information recording/reproducing apparatus |
May. 8, 2001 |
| 6158682 |
Tape running apparatus |
Dec. 12, 2000 |
| 6128151 |
Method and a system for engaging a disk drive spindle motor with a disk cartridge |
Oct. 3, 2000 |
| 6104566 |
Direct access storage device (DASD) with a variable spindle rotation speed |
Aug. 15, 2000 |
| 6082653 |
System for estimating tape pack radius using a Kalman filter |
Jul. 4, 2000 |
| 6057974 |
Magnetic disk storage device control method, disk array system control method and disk array system |
May. 2, 2000 |
| 6021015 |
Method and circuit for driving hard disk drive spindle and actuator motors |
Feb. 1, 2000 |
| 5986426 |
Adaptive pulse width modulated motor control |
Nov. 16, 1999 |
| 5969897 |
Data recording apparatus and method |
Oct. 19, 1999 |
| 5963390 |
Digital servo system having a servo loop, a digital filter including coefficient multiplying means, and coefficient changing means |
Oct. 5, 1999 |
| 5886492 |
Servo control apparatus and method for video cassette tape recorder |
Mar. 23, 1999 |
| 5796540 |
Method and apparatus for synchronizing the rotations of data storage disks in a plurality of disk storage devices |
Aug. 18, 1998 |
| 5764431 |
Media velocity detection for a capstanless tape transport |
Jun. 9, 1998 |
| 5746384 |
Tape tension control apparatus |
May. 5, 1998 |
| 5731677 |
Integrated circuit for controlling an information storage disk |
Mar. 24, 1998 |
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