ClassID:

198790

G11B20/10055 - CPC Classification

Classification description:

Signal processing not specific to the method of recording or reproducing; Circuits therefor; Digital recording or reproducing; Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter using partial response filtering when writing the signal to the medium or reading it therefrom

Sub-classes:
Recent Application in this class:
#1
20210390459
2021-12-16

Machine learning-based read channel data detection

#2
20200065262
2020-02-27

Data path dynamic range optimization

#3
20200005828
2020-01-02

Magnetic tape apparatus

#4
20200005819
2020-01-02

Multi-signal realignment for changing sampling clock

#5
20190385094
2019-12-19

Machine learning-based read channel data detection

#6
20190341074
2019-11-07

Magnetic tape reading apparatus and a magnetic tape reading method

#7
20190130940
2019-05-02

Signal processing apparatus and signal processing method

#8
20180367164
2018-12-20

Approximated parameter adaptation

#9
20180366155
2018-12-20

Hybrid timing recovery

#10
20180277155
2018-09-27

Asynchronous asymmetry compensation for data read from a storage medium

#11
20180018997
2018-01-18

Method and apparatus for joint adaptation of two-/multi-dimensional equalizer and partial response target

#12
20170330593
2017-11-16

Data detection device, playback device, and data detection method

#13
20170323662
2017-11-09

Asynchronous asymmetry compensation for data read from a storage medium

#14
20160163352
2016-06-09

Systems and methods for multi-dimensional equalization constraint

#15
20160155468
2016-06-02

Optical medium reproduction apparatus and method of reproducing optical medium

#16
20160093326
2016-03-31

Dynamic gain control for use with adaptive equalizers

#17
20160093325
2016-03-31

Dynamic gain control for use with adaptive equalizers

#18
20160012847
2016-01-14

Asynchronous asymmetry compensation for data read from a storage medium

#19
20150199991
2015-07-16

Multiple track detection

#20
20140185421
2014-07-03

Optical information reproducing apparatus and optical information reproducing method

#21
20140149796
2014-05-29

Systems and methods for controlled data processor operational marginalization

#22
20130083873
2013-04-04

INFORMATION REPRODUCTION APPARATUS AND INFORMATION REPRODUCTION METHOD

#23
20130007570
2013-01-03

Low latency multi-detector noise cancellation

#24
20120254679
2012-10-04

Systems and methods for enhanced media defect detection

#25
20120243393
2012-09-27

Optical information recording method, optical information reproduction method and optical disk device

#26
20120230173
2012-09-13

OPTICAL DISK REPRODUCING APPARATUS

#27
20120201112
2012-08-09

Reproduction signal evaluation method, reproduction signal evaluation unit, and optical disk device adopting the same

#28
20120188863
2012-07-26

Optical recording method, optical recording device, master medium exposure device, optical information recording medium, and reproducing method

#29
20120158810
2012-06-21

Systems and methods for reducing filter sensitivities

#30
20120126876
2012-05-24

Gain control with multiple integrators

#31
20120124454
2012-05-17

Systems and Methods for ADC Sample Based Timing Recovery

#32
20120082201
2012-04-05

Data detecting device, reproducing device, and data detecting method

#33
20120075976
2012-03-29

Data recovery device and method

#34
20120069727
2012-03-22

Method for evaluating read signal

#35
20120036173
2012-02-09

Systems and methods for sequence detection in data processing

#36
20120002527
2012-01-05

Adjusting method for recording condition and optical disc device

#37
20120002526
2012-01-05

Method of evaluating reproduce signal and optical disc drive

#38
20110292780
2011-12-01

Information recording medium evaluation method, information recording medium, method for manufacturing information recording medium, signal processing method and access control apparatus

#39
20110264983
2011-10-27

Signal processing device, signal processing method, and signal reproducing apparatus

#40
20110228662
2011-09-22

Optical disk reproducing apparatus

#41
20110199880
2011-08-18

Optical disc device and optical disc playback method

#42
20110164487
2011-07-07

INFORMATION RECORDING/REPRODUCING DEVICE AND INFORMATION RECORDING/ REPRODUCING METHOD

#43
20110149704
2011-06-23

Signal evaluation method and signal evaluation apparatus

#44
20110103527
2011-05-05

Phase detector for timing recovery loop

#45
20110090773
2011-04-21

APPARATUS FOR GENERATING VITERBI-PROCESSED DATA USING AN INPUT SIGNAL OBTAINED FROM READING AN OPTICAL DISC

#46
20110085430
2011-04-14

OPTICAL DISC DRIVE, OPTICAL STORAGE MEDIUM, OPTICAL STORAGE MEDIUM INSPECTION APPARATUS, AND OPTICAL STORAGE MEDIUM INSPECTION METHOD

#47
20110075718
2011-03-31

Automatic filter-reset mechanism

#48
20110063961
2011-03-17

Optical disc apparatus and optical disc recording/reproducing method

#49
20110055665
2011-03-03

Data modulation method, modulator, recording method, and recording apparatus

#50
20110044143
2011-02-24

OPTICAL RECORDING METHOD, OPTICAL RECORDING DEVICE, MASTER MEDIUM EXPOSURE DEVICE, OPTICAL INFORMATION RECORDING MEDIUM, AND REPRODUCING METHOD

#51
20110032809
2011-02-10

INFORMATION RECORDING MEDIUM EVALUATION METHOD, INFORMATION RECORDING MEDIUM, METHOD FOR MANUFACTURING INFORMATION RECORDING MEDIUM, SIGNAL PROCESSING METHOD AND ACCESS CONTROL APPARATUS

#52
20110032630
2011-02-10

MULTI-MODE LOOP ADAPTATION SCHEME FOR HIGH-DENSITY DATA RECORDING CHANNEL

#53
20110019520
2011-01-27

DATA RECORDING EVALUATING METHOD AND OPTICAL DISK RECORDING AND REPRODUCING DEVICE

#54
20110013500
2011-01-20

Information reproduction apparatus and information reproduction method

#55
20110002061
2011-01-06

Circuit and method for detecting the phase of a servo signal

#56
20100329090
2010-12-30

Target level setting method for a signal used in maximum-likelihood decoding in PRML processing of a signal reproduced from an optical information recording medium, playback device for an optical information recording medium, and target level setting program for a signal used in maximum-likelihood decoding in PRML processing

#57
20100322057
2010-12-23

Optical recording method, optical recording device, master medium exposure device, optical information recording medium, and reproducing method

#58
20100322052
2010-12-23

REPRODUCTION SIGNAL QUALITY EVALUATION DEVICE AND METHOD

#59
20100309773
2010-12-09

Information recording medium having recording condition for adjusting the position of cooling pulse

#60
20100302925
2010-12-02

Reproduced signal evaluating method, information recording medium, reproducing device, and recording device

#61
20100296378
2010-11-25

Calibration circuit and method thereof for data recovery

#62
20100290328
2010-11-18

Reproducing power adjusting method, optical information recording/reproducing apparatus and information recording media

#63
20100284257
2010-11-11

Adjusting method for recording condition and optical disc device

#64
20100260025
2010-10-14

Adjusting method for recording condition and optical disc device

#65
20100226227
2010-09-09

METHODS AND APPARATUSES OF PROCESSING READBACK SIGNAL GENERATED FROM READING OPTICAL STORAGE MEDIUM

#66
20100226033
2010-09-09

Systems and methods for enhanced media defect detection

#67
20100195462
2010-08-05

Method of evaluating reproduce signal and optical disc drive

#68
20100194618
2010-08-05

Analog-to-digital converter, optical disk reproduction device, and receiver device

#69
20100188953
2010-07-29

Recording/reproduction device, evaluation value calculation method, and evaluation value calculation device

#70
20100176865
2010-07-15

Gain control with multiple integrators

#71
20100172047
2010-07-08

System, method, and computer program product for characterizing media associated with data storage channels

#72
20100172046
2010-07-08

Systems and methods for equalizer optimization in a storage access retry

#73
20100157461
2010-06-24

SIGNAL REPRODUCING CIRCUIT, MAGNETIC STORAGE DEVICE, AND SIGNAL REPRODUCING METHOD

#74
20100103791
2010-04-29

Information readout apparatus

#75
20100097908
2010-04-22

Reproduction signal evaluation method, information recording medium, reproduction apparatus and recording apparatus

#76
20100091624
2010-04-15

Information reproducing device

#77
20100085851
2010-04-08

METHOD AND APPARATUS FOR EVALUATING INFORMATION RECORDING MEDIUM

#78
20100085849
2010-04-08

OPTICAL DISC DRIVE AND METHOD FOR PREPROCESSING A DISC READ OUT SIGNAL

#79
20100080099
2010-04-01

Device and method for reproducing information, and computer program

#80
20100074091
2010-03-25

Apparatus, method and program for waveform equalization on a read signal obtained by reading the record data recorded on a recording medium

#81
20100074080
2010-03-25

Information reproducing apparatus and method, and computer program

#82
20100070835
2010-03-18

Method and apparatus for error compensation

#83
20100066722
2010-03-18

INFORMATION REPRODUCTION APPARTUS AND VIDEO DISPLAY APPARATUS

#84
20100054716
2010-03-04

Information readout apparatus and information reproducing method

#85
20100039912
2010-02-18

OPTICAL INFORMATION RECORDING/REPRODUCING UNIT AND METHOD OF MEASURING RECORDED-MARK QUALITY

#86
20100002556
2010-01-07

Reproduction signal evaluation method, reproduction signal evaluation unit, and optical disk device adopting the same

#87
20090316561
2009-12-24

Optical information recording method, optical information reproduction method and optical disk device

#88
20090303853
2009-12-10

Optical information recording/reproduction apparatus and recording condition adjusting method

#89
20090296553
2009-12-03

OPTICAL DISC DEVICE AND OPTICAL DISC PLAYBACK METHOD

#90
20090279405
2009-11-12

Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method

#91
20090274247
2009-11-05

Detection of synchronization mark from output of matched filter upstream of Viterbi detector

#92
20090274028
2009-11-05

Multi-bit phase alignment for synchronization mark pattern matching

#93
20090257334
2009-10-15

Digital signal reproducing apparatus

#94
20090225639
2009-09-10

Signal evaluation method and signal evaluation apparatus

#95
20090213484
2009-08-27

Techniques for providing DC-free detection of DC equalization target

#96
20090196381
2009-08-06

Information reproducing device

#97
20090147647
2009-06-11

INFORMATION RECORDING METHOD AND INFORMATION RECORDING/REPRODUCING APPARATUS

#98
20090141605
2009-06-04

OPTICAL DISC REPRODUCING DEVICE AND OPTICAL DISC REPRODUCING METHOD

#99
20090135692
2009-05-28

APPARATUS AND METHOD FOR DETERMINING WRITE STRATEGY, AND APPARATUS AND METHOD FOR RECORDING DATA

#100
20090128378
2009-05-21

Modulation coding

#101
20090122691
2009-05-14

Locking Aid For High Density Bd-Rom Discs

#102
20090103412
2009-04-23

Recording control apparatus, recording and reproduction apparatus, and recording control method

#103
20090086602
2009-04-02

OPTICAL INFORMATION REPRODUCING METHOD, OPTICAL INFORMATION REPRODUCING APPARATUS AND OPTICAL INFORMATION RECORDING MEDIUM

#104
20090080320
2009-03-26

Method for evaluating read signal

#105
20090067314
2009-03-12

Optical reading method and optical reading system

#106
20090052294
2009-02-26

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS AND INFORMATION REPRODUCING METHOD

#107
20090045989
2009-02-19

Coding apparatus, decoding apparatus, amplitude adjustment apparatus, recorded information reader, signal processing apparatus and storage system

#108
20090015446
2009-01-15

Coder and a method of coding for codes with a parity-complementary word assignment having a constraint of d=1 , r=2

#109
20080285549
2008-11-20

Synchronous read channel

#110
20080285406
2008-11-20

OPTICAL DISC APPARATUS AND OPTICAL DISC REPRODUCTION METHOD

#111
20080259758
2008-10-23

Partial Response Maximum Likelihood Decoding

#112
20080259484
2008-10-23

Read channel apparatus for asynchronous sampling and synchronous equalization

#113
20080253012
2008-10-16

Magnetic tape read channel signal values developed employing intermediate bits of the path memory of a PRML Viterbi detector

#114
20080253011
2008-10-16

Signal Processing Device and Signal Processing Method

#115
20080247290
2008-10-09

Optical storage medium inspection method for determining if an optical storage medium is good or defective

#116
20080246638
2008-10-09

Apparatus and method to encode binary data into trinary data

#117
20080225666
2008-09-18

Recording medium playback device and recording medium playback method

#118
20080225660
2008-09-18

Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method

#119
20080205219
2008-08-28

JITTER MEASURING APPARATUS AND METHOD, SIGNAL PERIOD MEASURING APPARATUS AND METHOD, AND OPTICAL DISK PLAYER

#120
20080198720
2008-08-21

Optical disk reproducing apparatus

#121
20080198490
2008-08-21

Read channel averaging

#122
20080181065
2008-07-31

PLAYBACK SIGNAL DISTORTION COMPENSATION METHOD AND OPTICAL DISK PLAYBACK METHOD

#123
20080178060
2008-07-24

Signal processing apparatus and a data recording and reproducing apparatus including local memory processor

#124
20080175120
2008-07-24

OPTICAL DISC APPARATUS AND OPTICAL DISC RECORDING AND REPRODUCTION METHOD

#125
20080165651
2008-07-10

Recording control apparatus, recording and reproduction apparatus, and recording control method

#126
20080159104
2008-07-03

INFORMATION RECORDING MEDIUM EVALUATION METHOD, INFORMATION RECORDING MEDIUM, METHOD FOR MANUFACTURING INFORMATION RECORDING MEDIUM, SIGNAL PROCESSING METHOD AND ACCESS CONTROL APPARATUS

#127
20080158706
2008-07-03

Signal processing method, signal processing circuit and information recording/regenerating apparatus

#128
20080155383
2008-06-26

Apparatus and method to generate, store, and read, a plurality of error correction coded data sets

#129
20080152318
2008-06-26

OPTICAL-DISC RECORDING/PLAYBACK APPARATUS AND OPTICAL-DISC RECORDING/PLAYBACK METHOD

#130
20080151726
2008-06-26

OPTICAL DISC RECORDING AND REPRODUCING APPARATUS AND OPTICAL DISC RECORDING AND REPRODUCING METHOD

#131
20080151718
2008-06-26

INFORMATION STORAGE MEDIUM INCLUDING A TRACK PITCH IN A SYSTEM LEAD-IN AREA THAT IS LONGER THAN A TRACK PITCH IN A DATA LEAD-IN AREA

#132
20080151716
2008-06-26

OPTICAL DISC RECORDING AND REPRODUCING APPARATUS AND OPTICAL DISC RECORDING AND REPRODUCING METHOD

#133
20080144456
2008-06-19

OPTICAL DISC APPARATUS AND OPTICAL DISC RECORDING AND REPRODUCTION METHOD

#134
20080144454
2008-06-19

Data storage device with data recovery process using fixed phase clocking for analog-to-digital conversion

#135
20080137498
2008-06-12

Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method

#136
20080130454
2008-06-05

Optical storage medium inspection apparatus for determining whether an optical storage medium is good or defective

#137
20080130453
2008-06-05

Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method

#138
20080123486
2008-05-29

Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method

#139
20080115036
2008-05-15

Iterative read channel architectures with coded modulation

#140
20080115035
2008-05-15

Post-viterbi error correction method and apparatus

#141
20080112513
2008-05-15

Method and apparatus for controlling sampling of signals produced in relation to stored data

#142
20080112289
2008-05-15

Optical disk recording apparatus

#143
20080112076
2008-05-15

Magnetic spacing and tape characteristic compensation system and method

#144
20080104486
2008-05-01

Decoder and reproducing device

#145
20080104460
2008-05-01

Medium defect detector and information reproducing device

#146
20080084339
2008-04-10

Communication channel with undersampled interpolative timing recovery

#147
20080065962
2008-03-13

Method and apparatus for error compensation

#148
20080031114
2008-02-07

Read circuit of a disk drive system and method of signal processing thereof

#149
20080019249
2008-01-24

APPARATUS FOR REPRODUCING DATA ON RECORDING MEDIUM AND METHOD FOR REPRODUCING DATA ON THE MEDIUM

#150
20080007854
2008-01-10

Guided target search for hard disk drive applications

#151
20080002533
2008-01-03

Information recording and reproducing apparatus, and information recording and reproducing method

#152
20080001792
2008-01-03

Encoding apparatus, decoding apparatus, encoding method, decoding method, and information recording and playback apparatus

#153
20070286048
2007-12-13

Reproducing apparatus and method with reduced bit error rate

#154
20070280080
2007-12-06

PLL circuit and recorded information playback apparatus

#155
20070211360
2007-09-13

Method for detecting signal used when reading information from storage device

#156
20070206710
2007-09-06

Signal processing apparatus and a signal storage system

#157
20070195675
2007-08-23

Optical disc reproducing apparatus for correcting asymmetric errors in data reproduced from optical discs

#158
20070192653
2007-08-16

Data defect detection using soft decision result

#159
20070189132
2007-08-16

Apparatus and method of estimating the quality of input signal, and optical disc driver

#160
20070177475
2007-08-02

Method and apparatus to reproduce data with an improved data error correction capability

#161
20070177473
2007-08-02

Writing condition optimizing method and apparatus, and optical recording medium

#162
20070177292
2007-08-02

Using at least one servo channel to provide timing recovery and timing information to data channels

#163
20070168843
2007-07-19

Decoder and decoding method for decoding a code by selecting a path out of paths in a trellis diagram

#164
20070121463
2007-05-31

Optical disk device

#165
20070117226
2007-05-24

Method and apparatus for processing timeout in DSG apparatus

#166
20070115785
2007-05-24

Information reproducing apparatus

#167
20070115574
2007-05-24

Asynchronous read channel shaped toward generalized partial response characteristics

#168
20070113122
2007-05-17

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, INFORMATION REPRODUCING METHOD AND INFORMATION RECORDING METHOD

#169
20070110188
2007-05-17

Signal decoding method and device, and signal storage system

#170
20070097848
2007-05-03

Optical disk, optical disk recording method and optical disk apparatus

#171
20070097847
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#172
20070097846
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, INFORMATION REPRODUCING METHOD AND INFORMATION RECORDING METHOD

#173
20070097845
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, INFORMATION REPRODUCING METHOD AND INFORMATION RECORDING METHOD

#174
20070097844
2007-05-03

Information recording medium, information reproducing apparatus, information reproducing method and information recording method

#175
20070097842
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, INFORMATION REPRODUCING METHOD AND INFORMATION RECORDING METHOD

#176
20070097830
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#177
20070097829
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#178
20070097828
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#179
20070097821
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, INFORMATION REPRODUCING METHOD AND INFORMATION RECORDING METHOD

#180
20070097820
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS,INFORMATION REPRODUCING METHOD AND INFORMATION RECORDING METHOD

#181
20070097815
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#182
20070097804
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, INFORMATION REPRODUCING METHOD AND INFORMATION RECORDING METHOD

#183
20070097803
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, INFORMATION REPRODUCING METHOD AND INFORMATION RECORDING METHOD

#184
20070097533
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#185
20070096950
2007-05-03

Structured set partitioning and multilevel coding for partial response channels

#186
20070094438
2007-04-26

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, INFORMATION REPRODUCING METHOD AND INFORMATION RECORDING METHOD

#187
20070091783
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#188
20070091782
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#189
20070091781
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#190
20070091776
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#191
20070091775
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#192
20070091774
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#193
20070091766
2007-04-26

Information storage medium, information recording apparatus, and information reproduction apparatus

#194
20070091765
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#195
20070091764
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#196
20070091763
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#197
20070091762
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#198
20070091761
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#199
20070091760
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#200
20070091731
2007-04-26

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#201
20070091496
2007-04-26

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#202
20070086320
2007-04-19

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#203
20070086319
2007-04-19

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#204
20070086318
2007-04-19

Optical disk, optical disk recording method and optical disk apparatus

#205
20070086304
2007-04-19

Optical disk, optical disk recording method and optical disk apparatus

#206
20070086303
2007-04-19

OPTICAL DISK, OPTICAL DISK RECORDING METHOD AND OPTICAL DISK APPARATUS

#207
20070086302
2007-04-19

Optical disk, optical disk recording method and optical disk apparatus

#208
20070086301
2007-04-19

DISK EVALUATING DEVICE AND DISK EVALUATING METHOD

#209
20070086101
2007-04-19

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#210
20070086100
2007-04-19

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#211
20070085709
2007-04-19

Symbol detection apparatus and method for two-dimensional channel data stream with cross-talk cancellation

#212
20070081446
2007-04-12

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, INFORMATION REPRODUCING METHOD AND INFORMATION RECORDING METHOD

#213
20070077027
2007-04-05

Information storage medium, information recording apparatus, and information reproduction apparatus

#214
20070076575
2007-04-05

Information storage medium, information recording apparatus, and information reproduction apparatus

#215
20070076574
2007-04-05

Information storage medium, information recording apparatus, and information reproduction apparatus

#216
20070076573
2007-04-05

Information storage medium, information recording apparatus, and information reproduction apparatus

#217
20070076572
2007-04-05

Optical disk, optical disk recording method and optical disk apparatus

#218
20070076569
2007-04-05

OPTICAL DISK, OPTICAL DISK RECORDING METHOD AND OPTICAL DISK APPARATUS

#219
20070076567
2007-04-05

Optical disk, optical disk recording method and optical disk apparatus

#220
20070076565
2007-04-05

Optical disk, optical disk recording method and optical disk apparatus

#221
20070076561
2007-04-05

Information storage medium, information recording apparatus, and information reproduction apparatus

#222
20070076560
2007-04-05

Information storage medium, information recording apparatus, and information reproduction apparatus

#223
20070076559
2007-04-05

Information storage medium, information recording apparatus, and information reproduction apparatus

#224
20070076558
2007-04-05

Information storage medium, information recording apparatus and information reproduction apparatus

#225
20070076557
2007-04-05

Information storage medium, information recording apparatus, and information reproduction apparatus

#226
20070076555
2007-04-05

OPTICAL DISK DEVICE AND METHOD FOR PLAYING OPTICAL DISK

#227
20070070873
2007-03-29

Optical disk, optical disk recording method and optical disk apparatus

#228
20070070872
2007-03-29

Optical disk, optical disk recording method and optical disk apparatus

#229
20070070871
2007-03-29

Optical disk, optical disk recording method and optical disk apparatus

#230
20070065097
2007-03-22

Information storage medium, information recording apparatus, and information reproduction apparatus

#231
20070065096
2007-03-22

Information storage medium, information recording apparatus, and information reproduction apparatus

#232
20070064584
2007-03-22

Information storage medium, information recording apparatus, and information reproduction apparatus

#233
20070064583
2007-03-22

Information storage medium, information recording apparatus, and information reproduction apparatus

#234
20070064582
2007-03-22

Information storage medium, information recording apparatus, and information reproduction apparatus

#235
20070064581
2007-03-22

Information storage medium, information recording apparatus, and information reproduction apparatus

#236
20070064580
2007-03-22

Information storage medium, information recording apparatus, and information reproduction apparatus

#237
20070064571
2007-03-22

Information storage medium, information recording apparatus, and information reproduction apparatus

#238
20070064570
2007-03-22

Information storage medium, information recording apparatus, and information reproduction apparatus

#239
20070064569
2007-03-22

Information storage medium, information recording apparatus, and information reproduction apparatus

#240
20070057823
2007-03-15

Optical storage device decoding method

#241
20070047121
2007-03-01

Read channel apparatus for asynchronous sampling and synchronous equalization

#242
20070041300
2007-02-22

Optical disk apparatus and reproduction signal processing circuit

#243
20070019316
2007-01-25

PRML based magnetic servo position demodulator

#244
20070014385
2007-01-18

Evaluating device, reproducing device, and evaluating method

#245
20060285468
2006-12-21

Optical disk device

#246
20060285241
2006-12-21

Reproducing method, reproducing apparatus, recording and reproducing apparatus, and magnetic recording medium

#247
20060262689
2006-11-23

Reproduction signal evaluation method

#248
20060262688
2006-11-23

Reproduction signal evaluation method

#249
20060259263
2006-11-16

Method and apparatus for calibrating data-dependent noise prediction

#250
20060242545
2006-10-26

Decoding system for eight-to-fourteen modulation or eight-to-sixteen modulation

#251
20060239655
2006-10-26

Optical disc playback apparatus

#252
20060221478
2006-10-05

Method and apparatus for providing a read channel having imbedded channel signal analysis

#253
20060203949
2006-09-14

Optical disk apparatus and PLL circuit

#254
20060203679
2006-09-14

Signal quality evaluation method, information recording/reproducing system, and recording compensation method

#255
20060203642
2006-09-14

Optical information recording device, optical information recording method, and signal processing circuit

#256
20060198469
2006-09-07

Asymmetry compensator for partial response maximum likelihood (PRML) decoder

#257
20060195775
2006-08-31

Method and apparatus for providing a read channel having combined parity and non-parity post processing

#258
20060193307
2006-08-31

Recorded information reproduction device

#259
20060187800
2006-08-24

Optical disk reproducing device selectively using a channel bit frequency or a frequency that is half of the channel bit frequency

#260
20060187799
2006-08-24

Optical disk reproducing device that demodulates digital data by switching between a channel bit frequency and a frequency that is half of the channel bit frequency

#261
20060161584
2006-07-20

File transmission system and file transmission method

#262
20060156208
2006-07-13

Data decoding method and circuit and information recording and reproducing apparatus using the same

#263
20060153041
2006-07-13

Frequency and phase control apparatus and maximum likelihood decoder

#264
20060152837
2006-07-13

Method of forming servo data of HDD and self servo write method using the same

#265
20060123276
2006-06-08

Information storage medium, information recording method and information processing method

#266
20060119965
2006-06-08

Information recording device using patterned medium and control method thereof

#267
20060119964
2006-06-08

Magnetic tape read channel signal values developed employing intermediate bits of the path memory of a PRML viterbi detector

#268
20060114782
2006-06-01

Optical disk, optical disk recording method and optical disk apparatus

#269
20060092804
2006-05-04

Digital data reproducing apparatus and method

#270
20060092803
2006-05-04

Optical disk apparatus and optical disk reproduction method

#271
20060087947
2006-04-27

Optical disc apparatus with adjustable constraint length PRML

#272
20060083135
2006-04-20

Recording method and optical disc apparatus

#273
20060072687
2006-04-06

Decoding circuit and decoding method for a Viterbi decoder

#274
20060069945
2006-03-30

Signal processing apparatus and a data recording and reproducing apparatus including local memory processor

#275
20060067189
2006-03-30

Recording control apparatus, recording and reproduction apparatus, and recording control method

#276
20060061496
2006-03-23

Self-adjusting PRML receiver

#277
20060023332
2006-02-02

Method for using a minimum latency loop for a synchronization system in a hard disk drive

#278
20060013088
2006-01-19

Recording information for seamless playback

#279
20060007828
2006-01-12

Optical information device, optical storage medium, optical storage medium inspection device, and optical storage inspection method

#280
20050270939
2005-12-08

Optical disk recording/reproducing method, optical disk recording/reproducing apparatus and optical disk

#281
20050259551
2005-11-24

Information reproduction apparatus and information reproduction method

#282
20050254790
2005-11-17

Information storage medium, information recording apparatus, and information reproduction apparatus

#283
20050254389
2005-11-17

Optical desk apparatus

#284
20050243456
2005-11-03

Apparatus for providing head amplitude characterization using gain loops

#285
20050225888
2005-10-13

Reproducing method, reproducing apparatus, recording and reproducing apparatus, and magnetic recording medium

#286
20050213652
2005-09-29

Adaptive equalizer, decoding device, and error detecting device

#287
20050213481
2005-09-29

Information recording medium, information reproducing apparatus, information reproducing method and information recording method

#288
20050190678
2005-09-01

Apparatus and method for processing signals from recording medium

#289
20050185559
2005-08-25

Optical disk device, reproduction method of information on optical disk, and optical disk

#290
20050180288
2005-08-18

Method and apparatus for calibrating data-dependent noise prediction

#291
20050180287
2005-08-18

High-speed mixed analog/digital PRML data detection and clock recovery apparatus and method for data storage

#292
20050180039
2005-08-18

Method for intersymbol interference removal in data recovery

#293
20050152056
2005-07-14

Data recording and reproducing device and method utilizing iterative decoding technique

#294
20050149826
2005-07-07

Data recording and reproducing system, and data recording and reproducing method

#295
20050141385
2005-06-30

Disk apparatus and disk reproducing method

#296
20050135472
2005-06-23

Adaptive equalizer, decoding device, and error detecting device

#297
20050135223
2005-06-23

Optical disk, optical disk recording method and optical disk apparatus

#298
20050117871
2005-06-02

Signal processing method and apparatus and disk device using the method and apparatus

#299
20050094304
2005-05-05

Information playback method and apparatus

#300
20050078772
2005-04-14

Apparatus using a lengthened equalization target filter with a matched filter metric in a viterbi detector