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Class Information
Number: 360/70
Name: Dynamic magnetic information storage or retrieval > Automatic control of a recorder mechanism > Synchronizing moving-head moving-record recorders
Description: Subject matter including controlling the speed or position of movement of a head with respect to a moving record carrier or vice versa.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605994 |
Multiple sinusoidal seek servo system for reducing seek acoustics and seek time in hard disk drives |
Oct. 20, 2009 |
| 7564640 |
Apparatus for recording or retrieving data on magnetic tape |
Jul. 21, 2009 |
| 7508619 |
Magnetic head and magnetic disc drive |
Mar. 24, 2009 |
| 7295395 |
Sensing a prior transducer position by a motion pattern |
Nov. 13, 2007 |
| 7293189 |
Method and device for reproducing additional data in synchronization with main data using time information |
Nov. 6, 2007 |
| 7274526 |
Tape drive apparatus |
Sep. 25, 2007 |
| 7251093 |
Tape system with adjustable wrap angles and method for adjusting tape wrap angle |
Jul. 31, 2007 |
| 7245816 |
Method for designing envelope detecting circuit for video signal processing integrated circuit and integrated circuit using the same |
Jul. 17, 2007 |
| 7221985 |
On-screen calibration system and operating method thereof |
May. 22, 2007 |
| 7193805 |
Flying-type disk drive slider with micropad |
Mar. 20, 2007 |
| 7181636 |
Method of ensuring synchronous presentation of additional data with audio data recorded on a rewritable recording medium |
Feb. 20, 2007 |
| 7127576 |
Method and system for data duplication |
Oct. 24, 2006 |
| 7092192 |
Videotape recording and playback device, and videotape player |
Aug. 15, 2006 |
| 7054089 |
Magnetic disk storage system |
May. 30, 2006 |
| 7034489 |
Positioning apparatus and controlling apparatus |
Apr. 25, 2006 |
| 7023155 |
Spindle motor acceleration control |
Apr. 4, 2006 |
| 7006320 |
Disk drive comprising a multi-phase spindle motor having a center tap connectable to a secondary supply voltage |
Feb. 28, 2006 |
| 6995937 |
Methods using extended servo patterns with multi-pass servowriting and self-servowriting |
Feb. 7, 2006 |
| 6992847 |
Linear sliding tape scanner and method for using same |
Jan. 31, 2006 |
| 6950270 |
Adaptive index reference position qualification |
Sep. 27, 2005 |
| 6940666 |
Magnetic tape apparatus that duplicates data and stores the duplicated data in plural magnetic tape drives |
Sep. 6, 2005 |
| 6937429 |
Magnetic disk storage apparatus and method for controlling magnetic disk storage apparatus |
Aug. 30, 2005 |
| 6898041 |
Method and apparatus for motor control in a disk drive |
May. 24, 2005 |
| 6891687 |
Magnetic recording/reproducing apparatus capable of recording/reproducing data at the same head-cylinder revolving speed/configuration |
May. 10, 2005 |
| 6876508 |
Disk drive comprising control circuitry powered by a secondary voltage supplied by a center tap of a spindle motor during a normal operating mode |
Apr. 5, 2005 |
| 6710967 |
High frequency and low frequency servo pattern |
Mar. 23, 2004 |
| 6437934 |
Self calibrating embedded stripe based timing tracking servo system for helical recorders |
Aug. 20, 2002 |
| 6429618 |
Index signal generator |
Aug. 6, 2002 |
| 6356405 |
Lubricant control in disc drive |
Mar. 12, 2002 |
| 6349012 |
Magnetic recording and/or reproducing apparatus |
Feb. 19, 2002 |
| 6344941 |
Magnetic tape unit |
Feb. 5, 2002 |
| 6308298 |
Method of reacquiring clock synchronization on a non-tracking helical scan tape device |
Oct. 23, 2001 |
| 6304399 |
Automatic head switching control method and apparatus |
Oct. 16, 2001 |
| 6301069 |
Servo control apparatus utilizing clock signal and control data |
Oct. 9, 2001 |
| 6268975 |
Tape drive utilizing encoded file markers to locate target positions |
Jul. 31, 2001 |
| 6233649 |
Digital signal reproducing method |
May. 15, 2001 |
| 6204986 |
Drum motor controller using microcomputer for intermittent slow VTR |
Mar. 20, 2001 |
| 6191900 |
Digital signal recording and reproducing apparatus and recording medium |
Feb. 20, 2001 |
| 6188535 |
Arcuate scanning tape drive with a servo mechanism responsive to servo patterns in arcuate tracks on a moving tape |
Feb. 13, 2001 |
| 6163427 |
Storing and reproducing digital video and audio on a magnetic tape having stored a signal readable by VHS analog apparatus |
Dec. 19, 2000 |
| 6154806 |
Method for recording digital signals on multiple-layered disks |
Nov. 28, 2000 |
| 6147829 |
Magnetic tape with a track configuration and apparatus for cooperation with such a magnetic tape |
Nov. 14, 2000 |
| 6145034 |
Method and apparatus for switching data rates during back-up based on computer data and speed |
Nov. 7, 2000 |
| 6137648 |
Magnetic tape and a method for recording and reproducing a plurality of different information signals on and from the magnetic tape |
Oct. 24, 2000 |
| 6101059 |
Synchronized read/write heads for double sided tape recording |
Aug. 8, 2000 |
| 6101060 |
Method and apparatus for reducing data loss errors in a magnetic tape device |
Aug. 8, 2000 |
| 6078456 |
Variable-speed playback apparatus for digital video signals |
Jun. 20, 2000 |
| 6069763 |
Data recording device |
May. 30, 2000 |
| 6061199 |
Method and arrangement for servoing and formatting magnetic recording tape |
May. 9, 2000 |
| 6038094 |
Digital data recording device having a rotary cylinder |
Mar. 14, 2000 |
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