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Class Information
Number: 360/77.13
Name: Dynamic magnetic information storage or retrieval > Automatic control of a recorder mechanism > Controlling the head > Track centering > Elongated web carrier (i.e., tape) > Transverse scan path
Description: Subject matter where the resultant motion of the transducer head is at an angle to the forward motion of the record carrier.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7522372 |
Servo track having periodic frames of tone field and embedded synchronization marks |
Apr. 21, 2009 |
| 7477475 |
Helical scan type magnetic tape reproduction apparatus and magnetic tape reproduction method |
Jan. 13, 2009 |
| 7474495 |
Piezoelectric micro-actuator for magnetic tape read/write head |
Jan. 6, 2009 |
| 7453665 |
Method of adjusting magnetic head of magnetic tape recording and reproducing apparatus and magnetic tape recording and reproducing apparatus |
Nov. 18, 2008 |
| 7362537 |
Velocity adaptive compensator for a synchronous sampling time-base servo system |
Apr. 22, 2008 |
| 7177114 |
Apparatus, system, and method for the velocity proportional clocking of time base servo tape storage devices |
Feb. 13, 2007 |
| 7106535 |
Method and apparatus for maintaining consistent track pitch in helical scan recorder |
Sep. 12, 2006 |
| 7035040 |
Sequenced time-based servo techniques |
Apr. 25, 2006 |
| 6992847 |
Linear sliding tape scanner and method for using same |
Jan. 31, 2006 |
| 6950269 |
System and methods for using servopositioning signals |
Sep. 27, 2005 |
| 6906888 |
Method for write track placement correction |
Jun. 14, 2005 |
| 6891687 |
Magnetic recording/reproducing apparatus capable of recording/reproducing data at the same head-cylinder revolving speed/configuration |
May. 10, 2005 |
| 6864656 |
Magnetic disk drive and voice coil motor drive circuit |
Mar. 8, 2005 |
| 6731452 |
Data recording and/or reproducing apparatus and method |
May. 4, 2004 |
| 6571205 |
Method and apparatus for transferring information between devices using a tape drive |
May. 27, 2003 |
| 6563664 |
Magnetic signal recording and reproducing apparatus and magnetic signal recording and reproducing method |
May. 13, 2003 |
| 6512651 |
Helical scan tape track following |
Jan. 28, 2003 |
| 6510018 |
Magnetic recording and reproducing apparatus with electronic adjustments of interval between stationary and rotary heads |
Jan. 21, 2003 |
| 6349011 |
Automatic tracking system and tracking method |
Feb. 19, 2002 |
| 6349012 |
Magnetic recording and/or reproducing apparatus |
Feb. 19, 2002 |
| 6288864 |
Calibration of magnetic tape drive |
Sep. 11, 2001 |
| 6266204 |
Tracking controller for a tape-like recording medium |
Jul. 24, 2001 |
| 6185062 |
Tracking controller for a tape-like recording medium |
Feb. 6, 2001 |
| 6181506 |
Tracking control device |
Jan. 30, 2001 |
| 6144518 |
Preparation and usage of dual-scan master calibration tape for magnetic tape drive |
Nov. 7, 2000 |
| RE36933 |
Disk reproduction apparatus capable of continuously varying a reproduction speed |
Oct. 31, 2000 |
| 6134073 |
Methods and apparatus for controlling motion of recording media |
Oct. 17, 2000 |
| 6134072 |
Tracking of non-native stripes in helical scan tape drive |
Oct. 17, 2000 |
| 6130799 |
Signal recording and/or reproducing apparatus, method, and medium with pilot signal and tracking servo signal recorded at different azimuth angles |
Oct. 10, 2000 |
| 6104567 |
Recording and reproducing apparatus including a tracking apparatus with a steady speed deviation circuit |
Aug. 15, 2000 |
| 6101061 |
Methods and apparatus for calibration of a rotating scanner to a plurality of data track groups recorded on a tape |
Aug. 8, 2000 |
| 6078456 |
Variable-speed playback apparatus for digital video signals |
Jun. 20, 2000 |
| 6038095 |
Signal reproducing apparatus |
Mar. 14, 2000 |
| 6028732 |
Tracking control device with error signal selection from plural error signals |
Feb. 22, 2000 |
| 6025967 |
Method of identifying magnetic tape characteristics |
Feb. 15, 2000 |
| 6018434 |
Tape cartridge having written-in-defect servo patterns for rapid head position calibration |
Jan. 25, 2000 |
| 6005741 |
Reproducing apparatus using pilot signal crosstalk for tracking control and using pilot signals to eliminate a back lock condition |
Dec. 21, 1999 |
| 5986846 |
Methods and apparatus for track centering an arcuate scanner head assembly |
Nov. 16, 1999 |
| 5978171 |
Information signal reproducing apparatus with diverse mode tracking control |
Nov. 2, 1999 |
| 5978165 |
Method of determining axial offset distance in helical scan tape drive |
Nov. 2, 1999 |
| 5978166 |
Method of and apparatus for positioning a rotary magnetic head drum in an arcuate scan system |
Nov. 2, 1999 |
| 5973875 |
Method and apparatus for determining and using head parameters in a helical scan recorder |
Oct. 26, 1999 |
| 5969898 |
Method and system for reading data that is unreadable by a tape drive |
Oct. 19, 1999 |
| 5966265 |
Information signal reproducing apparatus having means for tracking control |
Oct. 12, 1999 |
| 5959802 |
Signal recording and/or reproducing apparatus, method, and medium with pilot signal and tracking servo signal recorded at different azimuth angles |
Sep. 28, 1999 |
| 5959799 |
Method and apparatus for tracking control by checking timing between a rotary head reference position and an onset of reproducing tracking information recorded in each track |
Sep. 28, 1999 |
| 5936791 |
Helical scan data recording and playback method and apparatus wherein reference helical tracks preceding data recording area on magnetic tape are played back before recording or playback of ta |
Aug. 10, 1999 |
| 5930063 |
Variable-speed playback apparatus for digital video signals |
Jul. 27, 1999 |
| 5859736 |
Magnetic recording/reproducing apparatus and method for controlling the magnetic head during postrecording or dubbing operation |
Jan. 12, 1999 |
| 5859741 |
Method of positioning a magnetic head |
Jan. 12, 1999 |
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