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Class Information
Number: 360/77.14
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 > By pilot signal
Description: Subject matter wherein the centering of the transducer head over the transverse track on the record carrier is controlled by a reference signal recorded on the transverse track.
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 |
| 7522371 |
Servo track having periodic frames of tone field and embedded synchronization marks |
Apr. 21, 2009 |
| 7453665 |
Method of adjusting magnetic head of magnetic tape recording and reproducing apparatus and magnetic tape recording and reproducing apparatus |
Nov. 18, 2008 |
| 7393066 |
Servo systems, servo heads, servo patterns for data storage especially for reading, writing, and recording in magnetic recording tape |
Jul. 1, 2008 |
| 7391587 |
Servo systems, servo heads, servo patterns for data storage especially for reading, writing, and recording in magnetic recording tape |
Jun. 24, 2008 |
| 7362954 |
Recording apparatus and method, recording medium, and program |
Apr. 22, 2008 |
| 7158338 |
Servo track having periodic frames of tone field and embedded synchronization marks |
Jan. 2, 2007 |
| 7046479 |
Magnetic recording/reproducing device having position control |
May. 16, 2006 |
| 6999258 |
Time-based servopositioning systems |
Feb. 14, 2006 |
| 6718120 |
Magnetic recording and reproduction method and apparatus |
Apr. 6, 2004 |
| 6697209 |
Phase based time domain tracking for helical scan tape drive |
Feb. 24, 2004 |
| 6590733 |
Digital processing of pilot-tone amplitudes |
Jul. 8, 2003 |
| 6580573 |
DISK DRIVE HAVING A CHANNEL CIRCUIT WHICH RECEIVES A READ SIGNAL REPRESENTING DATA IN A DATA SECTOR AND DATA IN A SERVO SECTOR IN A FIRST ORDER AND DEMODULATES THE READ SIGNAL TO PROVIDE DATA |
Jun. 17, 2003 |
| 6281675 |
Self calibrating embedded stripe based timing tracking servo system for helical recorders |
Aug. 28, 2001 |
| 6271981 |
Detection device and method for detecting pilot signal component from digital signal as well as reproducing apparatus |
Aug. 7, 2001 |
| 6219489 |
Apparatus and method for discriminating recording mode |
Apr. 17, 2001 |
| 6154336 |
Frame synchronizing circuit in a magnetic recording and reproducing apparatus and a frame synchronizing method thereof |
Nov. 28, 2000 |
| 6141177 |
Signal reproducing device and method with tracking error formation |
Oct. 31, 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 |
| 6134074 |
Reproducing apparatus having tracking control in accordance with track number information |
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 |
| 6101060 |
Method and apparatus for reducing data loss errors in a magnetic tape device |
Aug. 8, 2000 |
| 6081395 |
Apparatus and method for generating a digital tracking signal with a frequency spectrum corresponding to one or more n-bit words |
Jun. 27, 2000 |
| 6021017 |
Magnetic recording and playback device which processes error signals to obtain a servo correction signal |
Feb. 1, 2000 |
| 6014284 |
Signal reproducing apparatus having rotary heads rotating 180.degree. out of phase and producing signals for tracking control |
Jan. 11, 2000 |
| 6005741 |
Reproducing apparatus using pilot signal crosstalk for tracking control and using pilot signals to eliminate a back lock condition |
Dec. 21, 1999 |
| 5991109 |
Magnetic recording and reproducing apparatus with signal delay and selection |
Nov. 23, 1999 |
| 5978171 |
Information signal reproducing apparatus with diverse mode tracking control |
Nov. 2, 1999 |
| 5973868 |
Recording and/or reproducing apparatus with means for establishing an after-recording area |
Oct. 26, 1999 |
| 5966265 |
Information signal reproducing apparatus having means for tracking control |
Oct. 12, 1999 |
| 5963389 |
Tape transport system using variable tape speed to achieve constant data speed and advance detection and correction of tracking errors to reduce data loss errors |
Oct. 5, 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 |
| 5949606 |
Detection circuit for pilot tones for tracking control in the case of magnetic-tape recordings |
Sep. 7, 1999 |
| 5923493 |
Information signal reproducing apparatus having means for tracking control |
Jul. 13, 1999 |
| 5875065 |
Information recording reproducing apparatus using pilot signals to correct tracking error |
Feb. 23, 1999 |
| 5870244 |
Magnetic recording/reproduction apparatus and method for adjusting head height therein |
Feb. 9, 1999 |
| 5867330 |
Reproducing apparatus detecting pilot signals by binary data processing |
Feb. 2, 1999 |
| 5852520 |
Data conversion method, pilot signal formation method using the same rotary magnetic head device for use therein |
Dec. 22, 1998 |
| 5852529 |
Digital signal recorder |
Dec. 22, 1998 |
| 5777817 |
VCR tracking control method and apparatus comprising a microcomputer for generating a capstan speed command based on a tracking error expressed as a difference value of freguency components of |
Jul. 7, 1998 |
| 5771332 |
8 MM video tape recording/reproducing apparatus capable of performing a high-speed search operation |
Jun. 23, 1998 |
| 5754356 |
Tracking error detector with comparison of amplitude detected pilot signals leaking in from tracks adjacent to the target track |
May. 19, 1998 |
| 5739973 |
Apparatus for recording a mixed video and tracking signal on a magnetic recording medium |
Apr. 14, 1998 |
| 5677803 |
Apparatus for recording data signals and a signal having a repetitive frequency to a recording medium and/or for reproducing the data signals therefrom |
Oct. 14, 1997 |
| 5671100 |
VCR tracking control method and apparatus for generating a capstan motor drive signal based on the capstan speed control valve |
Sep. 23, 1997 |
| 5671101 |
Tracking control circuit for maintaining substantial balance between reproduced signal levels from plural rotary magnetic heads when tracking control is applied in respect to only one of the h |
Sep. 23, 1997 |
| 5648879 |
Method of and apparatus for controlling the phase of a video signal |
Jul. 15, 1997 |
| 5638484 |
Tracking control method during multiple speed reproduction of a video tape and apparatus therefor |
Jun. 10, 1997 |
| 5629814 |
Automatic tracking control apparatus and method |
May. 13, 1997 |
| 5617268 |
Tracking control apparatus that switches polarity of tracking error signal according to detected kind of pilot signal |
Apr. 1, 1997 |
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