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Class Information
Number: 369/124.02
Name: Dynamic information storage or retrieval > Specific detail of information handling portion of system > Radiation beam modification of or by storage medium > With details of electrical signal processing > With transducing multiple tracks
Description: Subject matter wherein the information signal is processed during information signal storage on or retrieval from a plurality of tracks on a storage medium element.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7583570 |
Optical pickup and disc drive apparatus |
Sep. 1, 2009 |
| 7554896 |
Electron beam recording apparatus |
Jun. 30, 2009 |
| 7554897 |
Data reproducer |
Jun. 30, 2009 |
| 7541564 |
Optical pickup |
Jun. 2, 2009 |
| 7539118 |
Multitrack optical disc reader |
May. 26, 2009 |
| 7420905 |
Information reproducing method judging a multivalued level of a present cell by referring to judged multivalued levels of a preceding cell and an ensuing cell |
Sep. 2, 2008 |
| 7408868 |
Information storage medium, information recording method, and information recording/reproduction apparatus |
Aug. 5, 2008 |
| 7382710 |
Information storage medium, information recording method, and information recording/reproduction apparatus |
Jun. 3, 2008 |
| 7379409 |
Information storage medium, information recording method, and information recording/reproduction apparatus |
May. 27, 2008 |
| 7082091 |
Information reproducing method judging a multivalued level of a present cell by referring to judged multivalued levels of a preceding cell and an ensuing cell |
Jul. 25, 2006 |
| 7075870 |
Recording/reproducing apparatus for optical information recording medium and optical head |
Jul. 11, 2006 |
| 7042824 |
Optical multi-level recording medium and optical multi-level recording method |
May. 9, 2006 |
| 6965554 |
Method and apparatus for parallel readout and correlation of data on optical disks |
Nov. 15, 2005 |
| 6917575 |
Audio signal processor |
Jul. 12, 2005 |
| 6912186 |
Data recording/reproducing method for optical disk and apparatus for the same |
Jun. 28, 2005 |
| 6836456 |
Information reproducing apparatus |
Dec. 28, 2004 |
| 6826140 |
Multichannel digital recording system with multi-user detection |
Nov. 30, 2004 |
| 6700858 |
Method and apparatus for parallel readout and correlation of data on optical disks |
Mar. 2, 2004 |
| 6693872 |
Multi-track optical data recording and readout |
Feb. 17, 2004 |
| 6580676 |
Recording information reproducing apparatus with crosstalk canceler |
Jun. 17, 2003 |
| 6567364 |
Multi-track disk reproducing apparatus and reproducing method thereof |
May. 20, 2003 |
| 6567368 |
Optical recording medium and method and apparatus of reproducing the same |
May. 20, 2003 |
| 6501724 |
Method and apparatus for parallel readout and correlation of data on optical disks |
Dec. 31, 2002 |
| 6385147 |
Recording and simultaneously reading information recorded on a moveable optical recording medium by adjusting the relative position of first and second beam paths |
May. 7, 2002 |
| 6381210 |
Methods and apparatus for concurrently processing data from multiple tracks of an optical storage medium |
Apr. 30, 2002 |
| 6370097 |
Information recording and reproducing method, information recording and reproducing system, information recording apparatus, and information reproducing apparatus |
Apr. 9, 2002 |
| 6233214 |
Information data recording/reproducing method |
May. 15, 2001 |
| 6226248 |
Optical disk, recording method and apparatus for canceling intercode interference |
May. 1, 2001 |
| 6215740 |
Control method for optical disk drive capable of accessing to target track quickly and the optical disk drive |
Apr. 10, 2001 |
| 6195317 |
Optical disk, recording method and apparatus for canceling intercode interference |
Feb. 27, 2001 |
| 6163518 |
Crosstalk eliminating method for use in a recorded information reproducing apparatus |
Dec. 19, 2000 |
| 6137763 |
Method and apparatus for buffering data in a multi-beam optical disk reader |
Oct. 24, 2000 |
| 6134211 |
Crosstalk removing device for use in recorded information reproducing apparatus |
Oct. 17, 2000 |
| 6111843 |
Track zero cross signal generation apparatus for optical disk system |
Aug. 29, 2000 |
| 6023447 |
Optical disk, recording method and apparatus for canceling intercode interference |
Feb. 8, 2000 |
| 5959953 |
Methods and apparatus for performing cross-talk correction in a multi-track optical disk reader based on magnification error |
Sep. 28, 1999 |
| 5953291 |
Digital recording and reproducing apparatus and method which prevents or manages a data loss |
Sep. 14, 1999 |
| 5946283 |
Optical information recording medium and optical information reproducing device |
Aug. 31, 1999 |
| 5870361 |
Device and system for reading recording media with cross-talk correction circuitry |
Feb. 9, 1999 |
| 5835467 |
Apparatus for reproducing recorded information |
Nov. 10, 1998 |
| 5802025 |
Track detection methods and apparatus for simultaneous monitoring of multiple adjacent tracks of an optical disk |
Sep. 1, 1998 |
| 5774444 |
Split photo detector for detecting a central portion and a peripheral portion of a reflected light beam |
Jun. 30, 1998 |
| 5729514 |
Cross talk removing device utilizing signal from main track to subtract amplitude adjusted signals from adjacent tracks |
Mar. 17, 1998 |
| 5726963 |
Information reproduction apparatus including a phase compensation circuit for eliminating the influence of AC-coupling |
Mar. 10, 1998 |
| 5703845 |
Reading device with cross-talk correction of two signal trains |
Dec. 30, 1997 |
| 5701283 |
Method and apparatus for high speed optical storage device |
Dec. 23, 1997 |
| 5684783 |
Reproducing apparatus having a detector for simultaneously scanning adjacent tracks of an optical recording medium |
Nov. 4, 1997 |
| 5652746 |
Electronic track detection methods for apparatus for simultaneously reading multiple adjacent tracks of an optical disk |
Jul. 29, 1997 |
| 5633854 |
Methods and apparatus for reproducing data recorded on an optical recording medium |
May. 27, 1997 |
| 5606545 |
Reproducing apparatus having a detector for simultaneously scanning adjacent tracks of an optical recording medium |
Feb. 25, 1997 |
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