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Class Information
Number: 369/47.17
Name: Dynamic information storage or retrieval > Control of storage or retrieval operation by a control signal to be recorded or reproduced > Control of information signal processing channel > For removal of unwanted signal component
Description: Subject matter wherein the information signal processing circuitry is affected by the control signal for removing a signal component that does not represent information from the information signal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7613086 |
Disk device and control method for disk device |
Nov. 3, 2009 |
| 7590040 |
Signal detecting method and apparatus and information reproducing apparatus and method |
Sep. 15, 2009 |
| 7573789 |
Method and apparatus for recording data at accurate location on recording medium |
Aug. 11, 2009 |
| 7564752 |
Disc signal evaluation apparatus and disc signal evaluation method |
Jul. 21, 2009 |
| 7558177 |
Optical disc playback apparatus |
Jul. 7, 2009 |
| 7539096 |
Disc playback apparatus and method |
May. 26, 2009 |
| 7460446 |
Method and system for generating a feedback signal in optical disc drives |
Dec. 2, 2008 |
| 7428195 |
Information reproduction apparatus and information reproduction method |
Sep. 23, 2008 |
| 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 |
| 7372791 |
Recording/reproducing apparatus and cross talk cancel method |
May. 13, 2008 |
| 7366068 |
Method for recording data to a write once disc |
Apr. 29, 2008 |
| 7330408 |
Equalizer for high density optical disc reproducing apparatus and equalizing method therefor |
Feb. 12, 2008 |
| 7324249 |
Recording and reproducing apparatus having fixed distortion correcting function |
Jan. 29, 2008 |
| 7304923 |
Disk drive and detection method using pre-pit detection and push-pull signal generation |
Dec. 4, 2007 |
| 7269113 |
Power correction for device for scanning a record carrier |
Sep. 11, 2007 |
| 7218583 |
Method for land pre-pit recovery |
May. 15, 2007 |
| 7142498 |
Recorded information reproducing apparatus |
Nov. 28, 2006 |
| RE39306 |
Optical disc device |
Sep. 26, 2006 |
| 7095693 |
Optical disc device and control method using preceding sub-beam to detect a disc defect |
Aug. 22, 2006 |
| 7092341 |
Data recording method and data recording medium |
Aug. 15, 2006 |
| 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 |
| 7079457 |
Method of reproducing information with equalization coefficient for the reproduced information |
Jul. 18, 2006 |
| 7068573 |
Reproducing device and method of removing noise |
Jun. 27, 2006 |
| 7057994 |
Apparatus and method for reproducing information from two types of optical disks having discrimination marks formed along tracks thereof |
Jun. 6, 2006 |
| 7054246 |
Optical disk device adapted for reliably detecting pre-pit information formed on an optical disk |
May. 30, 2006 |
| 7050371 |
Cross-talk removal apparatus and data reproduction apparatus |
May. 23, 2006 |
| 7046595 |
Method of reproducing information with equalization coefficient for the reproduced information |
May. 16, 2006 |
| 7023769 |
Data recording method, data reproduction method, data recording device, data reproduction device and optical recording medium |
Apr. 4, 2006 |
| 7009922 |
Cross-talk removal apparatus and data reproduction apparatus |
Mar. 7, 2006 |
| 7009921 |
Method and circuit for detecting playback signal which is compensated for time delay |
Mar. 7, 2006 |
| 7002890 |
High density analog recording using write symbols having distinguishable readout waveforms |
Feb. 21, 2006 |
| 6992956 |
Disk reproducing apparatus for precisely determining a value of an address signal reproduced from the disk |
Jan. 31, 2006 |
| 6992954 |
Method for determining DC level of AC signal and DC offset of the same |
Jan. 31, 2006 |
| 6982937 |
Data reproducing apparatus |
Jan. 3, 2006 |
| 6970406 |
Information playback apparatus, signal processing apparatus, and information playback method for detecting and canceling crosstalk |
Nov. 29, 2005 |
| 6967911 |
Multivalued information recording method, multivalued information recording apparatus, and recording medium |
Nov. 22, 2005 |
| 6947363 |
Superresolution in periodic data storage media |
Sep. 20, 2005 |
| 6944105 |
Method of reproducing information with equalization for the reproduced information to reduce inter-symbol interference |
Sep. 13, 2005 |
| 6925040 |
Information recording method, information recording medium and information recording apparatus |
Aug. 2, 2005 |
| 6917574 |
Data recording and reproducing apparatus and method for linking data using a decreased number of data linking blocks |
Jul. 12, 2005 |
| 6912672 |
Method of verifying defect management area information of disc and test apparatus for performing the same |
Jun. 28, 2005 |
| 6870803 |
Information storage apparatus and information reproducing method for reducing cross talk from a region adjacent a recorded information mark |
Mar. 22, 2005 |
| 6856754 |
Content recording/erasing apparatus |
Feb. 15, 2005 |
| 6834031 |
Method of sampling wobble components and disk drive unit executing the method |
Dec. 21, 2004 |
| 6804182 |
Optical disc reproducing apparatus and semiconductor integrated circuit and therefor |
Oct. 12, 2004 |
| 6747924 |
Optical disk reproduction apparatus |
Jun. 8, 2004 |
| 6738326 |
Apparatus and method for reproducing information from two types of optical disks having discrimination marks formed along tracks thereof |
May. 18, 2004 |
| 6724702 |
Apparatus for reproducing recorded data |
Apr. 20, 2004 |
| 6707775 |
Method and apparatus for measuring crosstalk of optical disc |
Mar. 16, 2004 |
| 6693863 |
Asymmetry correcting circuit and information reproducing apparatus using the same |
Feb. 17, 2004 |
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