ClassID:

198995

G11B2020/1823 - CPC Classification

Classification description:

Signal processing not specific to the method of recording or reproducing; Circuits therefor; Digital recording or reproducing; Error detection or correction; Testing, e.g. of drop-outs; Testing wherein a flag is set when errors are detected or qualified

Recent Application in this class:
#1
20220004457
2022-01-06

Nonvolatile memory device and memory system including nonvolatile memory device

#2
20200183784
2020-06-11

Nonvolatile memory device and memory system including nonvolatile memory device

#3
20200051592
2020-02-13

Detecting damaged areas on magnetic tape based on measuring a number of servo errors

#4
20200051591
2020-02-13

Detecting damaged areas on magnetic tape based on measuring a number of servo errors

#5
20190189155
2019-06-20

Detecting damaged areas on magnetic tape based on measuring number of servo errors

#6
20180182433
2018-06-28

Forward corrupted track detection and by-pass for shingled magnetic recording drives

#7
20180102141
2018-04-12

Detecting media defects

#8
20170352377
2017-12-07

Forward corrupted track detection and by-pass for shingled magnetic recording drives

#9
20160077941
2016-03-17

Identifying a defect in a data-storage medium

#10
20130283107
2013-10-24

Systems and methods for calibration coasting in a data processing system

#11
20120155239
2012-06-21

CHANNEL CIRCUIT AND METHOD OF DETECTING DEFECT OF MAGNETIC DISK DRIVE

#12
20120137169
2012-05-31

Method of determining defects in information storage medium, recording/reproducing apparatus using the same, and information storage medium

#13
20120131405
2012-05-24

Method and apparatus for defect recovery

#14
20120127604
2012-05-24

Magnetic recording apparatus and data reading method

#15
20120082019
2012-04-05

INFORMATION RECORDING DEVICE, INFORMATION RECORDING METHOD, AND ELECTRONIC APPARATUS

#16
20120047396
2012-02-23

Identifying a defect in a data-storage medium

#17
20120030539
2012-02-02

Error-floor mitigation of codes using write verification

#18
20110292533
2011-12-01

Magnetic disk drive and method for rewriting data block

#19
20110235490
2011-09-29

Amplitude-based approach for detection and classification of hard-disc defect regions

#20
20110205654
2011-08-25

CONTROL APPARATUS, NONVOLATILE STORAGE APPARATUS AND DATA INITIALIZATION METHOD

#21
20110141598
2011-06-16

DISK SURFACE DEFECT INSPECTION METHOD AND APPARATUS

#22
20110107178
2011-05-05

Decoder, perpendicular magnetic recording and reproducing device, receiving device, and decoding method

#23
20110103202
2011-05-05

OPTICAL DISK UNIT AND REPRODUCTION METHOD THEREFOR

#24
20110085426
2011-04-14

Recording medium, method and apparatus for reproducing data on the recording medium, and method and apparatus for recording data on the recording medium

#25
20110075218
2011-03-31

Information processing apparatus, method for controlling information processing apparatus, and storage medium

#26
20100302667
2010-12-02

Detection of defective tape drive by aggregating read error statistics

#27
20100296379
2010-11-25

Error correcting circuit and disk storage device for detecting and correcting insertion and/or deletion errors

#28
20100296372
2010-11-25

Recording medium, method and apparatus for reproducing data on the recording medium, and method and apparatus for recording data on the recording medium

#29
20100293431
2010-11-18

Error correction method and error correction apparatus utilizing the method

#30
20100254231
2010-10-07

Optical disk device

#31
20100232276
2010-09-16

Defect managing method and defect managing device

#32
20100165496
2010-07-01

System, method and apparatus for sector grading of defective bit patterned magnetic media in hard disk drives

#33
20100153669
2010-06-17

STORAGE DEVICE AND STORAGE DEVICE CONTROL METHOD

#34
20100138723
2010-06-03

METHOD AND APPARATUS FOR CORRECTING DATA ERRORS AND METHOD AND APPRATUS FOR PLAYING BACK A DISC

#35
20100123962
2010-05-20

Single-pass defect detection for hard-disk drive systems

#36
20100110854
2010-05-06

DISK DEVICE, AND DATA MOVING PROGRAM AND METHOD

#37
20100091627
2010-04-15

Optical disk inspection device and inspection method

#38
20100058145
2010-03-04

STORAGE DEVICE AND METHOD OF CONTROLLING STORAGE DEVICE

#39
20100007978
2010-01-14

Detection of defective tape drive by aggregating read error statistics

#40
20090319866
2009-12-24

Erasure flagging system and method for errors-and-erasures decoding in storage devices

#41
20090316551
2009-12-24

APPARATUS AND METHOD FOR WRITING DATA INTO STORAGE MEDIUM

#42
20090244787
2009-10-01

PERPENDICULAR HEAD WITH WIDE TRACK WRITING CAPABILITY AND METHODS OF MEDIA TESTING

#43
20090228744
2009-09-10

Method and system for cache-based dropped write protection in data storage systems

#44
20090222703
2009-09-03

Information processing apparatus and nonvolatile semiconductor memory drive

#45
20090190454
2009-07-30

Information apparatus

#46
20090180367
2009-07-16

Holographic information storage medium, and apparatus and method for inspecting defect thereof

#47
20090172324
2009-07-02

Storage system and method for opportunistic write-verify

#48
20090158125
2009-06-18

Recording/reproducing apparatus and recording/reproducing method

#49
20090157205
2009-06-18

DATA RECORDING DEVICE, DATA REPRODUCTION DEVICE, PROGRAM, AND RECORDING MEDIUM

#50
20090153997
2009-06-18

Method operating hard disk drive on the basis of predicted defect using hierarchical clustering and curve fit

#51
20090144596
2009-06-04

Decoder with resiliency to handle errors in a received data stream

#52
20090138756
2009-05-28

Method of determining defects in information storage medium, recording/reproducing apparatus using the same, and information storage medium

#53
20090113236
2009-04-30

Disk management method, disk management device and storage system

#54
20090109817
2009-04-30

Media disc reliability

#55
20090100302
2009-04-16

Apparatus and method for disk read checking

#56
20090092018
2009-04-09

RECORDING MODULATION CIRCUIT, RECORDING MODULATION METHOD AND OPTICAL DISK APPARATUS

#57
20090073833
2009-03-19

Method and apparatus for determining optimum laser power

#58
20090046552
2009-02-19

MEDIUM CONTROL DEVICE, MEDIUM CONTROL METHOD, AND RECORDING MEDIUM

#59
20090040887
2009-02-12

OPTICAL DISK REPRODUCTION APPARATUS

#60
20090034384
2009-02-05

Detection Of Data Degeneration Within Optical Discs

#61
20080320361
2008-12-25

Information recording device, data-flow controller and data flow controlling method

#62
20080285412
2008-11-20

Dropout detection device, disk reproduction apparatus, and dropout detection method

#63
20080279073
2008-11-13

Information recording medium, information recording method and information recording/reproduction system

#64
20080262643
2008-10-23

Defect detector for hard disk drive and methods for use therewith

#65
20080244188
2008-10-02

Information recording apparatus and control method thereof

#66
20080239548
2008-10-02

Multiple sector reassign on write error for disk drive

#67
20080178058
2008-07-24

Decoding apparatus and method

#68
20080165646
2008-07-10

Transfer control method

#69
20080134004
2008-06-05

RECORDING AND/OR REPRODUCING APPARATUS AND METHOD

#70
20080123503
2008-05-29

Removable storage media with improved data integrity

#71
20080117793
2008-05-22

Recording medium, method and apparatus for reproducing data on the recording medium, and method and apparatus for recording data on the recording medium

#72
20080117777
2008-05-22

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

#73
20080117776
2008-05-22

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

#74
20080117775
2008-05-22

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

#75
20080117774
2008-05-22

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

#76
20080117773
2008-05-22

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

#77
20080117772
2008-05-22

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

#78
20080117771
2008-05-22

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

#79
20080117770
2008-05-22

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

#80
20080117769
2008-05-22

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

#81
20080117768
2008-05-22

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

#82
20080117767
2008-05-22

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

#83
20080117766
2008-05-22

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

#84
20080117765
2008-05-22

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

#85
20080117764
2008-05-22

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

#86
20080117763
2008-05-22

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

#87
20080117762
2008-05-22

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

#88
20080117761
2008-05-22

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

#89
20080117760
2008-05-22

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

#90
20080117759
2008-05-22

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

#91
20080117758
2008-05-22

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

#92
20080106989
2008-05-08

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

#93
20080104460
2008-05-01

Medium defect detector and information reproducing device

#94
20080089198
2008-04-17

METHOD OF AND DRIVE FOR RECORDING MEDIUM DEFECT MANAGEMENT, AND DEFECT MANAGED RECORDING MEDIUM

#95
20080089197
2008-04-17

Method of and drive for recording medium defect management, and defect managed recording medium

#96
20080082865
2008-04-03

INFORMATION RECORDING APPARATUS, INFORMATION PROCESSING APPARATUS, AND WRITE CONTROL METHOD

#97
20080082862
2008-04-03

Method, computer program product, and computer system for detecting a corruption in a data block stored by a tape recording apparatus

#98
20080075425
2008-03-27

Portable terminal apparatus, computer-readable recording medium, and computer data signal

#99
20080074975
2008-03-27

Method of and drive for recording medium defect management, and defect managed recording medium

#100
20080074974
2008-03-27

METHOD OF AND DRIVE FOR RECORDING MEDIUM DEFECT MANAGEMENT, AND DEFECT MANAGED RECORDING MEDIUM

#101
20070291607
2007-12-20

Recording Device and Method, and Computer Program

#102
20070271487
2007-11-22

Method of detecting scratch defect in circumferential direction and magnetic disk certifier

#103
20070206471
2007-09-06

Method of and drive for recording medium defect management, and defect managed recording medium

#104
20070206470
2007-09-06

METHOD OF AND DRIVE FOR RECORDING MEDIUM DEFECT MANAGEMENT, AND DEFECT MANAGED RECORDING MEDIUM

#105
20070183081
2007-08-09

Data storage device and defective area management method therefor

#106
20070162784
2007-07-12

Information recording medium, recording apparatus and method for an information recording medium, reproducing apparatus and method for an information recording medium computer program for controlling record of reproduction, and data structure including control signal

#107
20070153650
2007-07-05

Information recording medium, recording apparatus and method for an information recording medium, reproducing apparatus and method for an information recording medium computer program for controlling record or reproduction, and data structure including control signal

#108
20070127152
2007-06-07

Disk apparatus and method of data read and write

#109
20070121460
2007-05-31

Recording medium, and method and apparatus for recording defect management information on the recording medium

#110
20070121456
2007-05-31

DEFECT SIGNAL GENERATING CIRCUIT

#111
20070118789
2007-05-24

Decoding device in optical disc drive and related decoding method thereof

#112
20070117226
2007-05-24

Method and apparatus for processing timeout in DSG apparatus

#113
20070101189
2007-05-03

Storage apparatus, and control method and program

#114
20070094573
2007-04-26

Method and device for error analysis of optical disc

#115
20070074088
2007-03-29

Disk reproducing apparatus and disk reproducing method

#116
20070064577
2007-03-22

Information recording/reproducing apparatus and a data reproducing method thereof, as well as an optical disk thereof

#117
20070011505
2007-01-11

Information recording medium, recording device and recording method for information recording medium, reproduction device and reproduction method for information recording medium, computer program for recording or reproduction, and data structure containing control signal

#118
20060203688
2006-09-14

Method of and drive for recording medium defect management, and defect managed recording medium

#119
20060203686
2006-09-14

Method of and drive for recording medium defect management, and defect managed recording medium

#120
20060156197
2006-07-13

Information recording medium, recording apparatus and method for an information recording medium, reproducing apparatus and method for an information recording medium computer program for controlling record or reproduction, and data structure including control signal

#121
20060156195
2006-07-13

Information recording medium, recording apparatus and method for an information recording medium, reproducing apparatus and method for an information recording medium computer program for controlling record or reproduction, and data structure including control sign

#122
20060156188
2006-07-13

Information recording medium, recording apparatus and method for an information recording medium, reproducing apparatus and method for an information recording medium computer program for controlling record or reproduction, and data structure including control signal

#123
20060156175
2006-07-13

Error detection and correction employing modulation symbols satisfying predetermined criteria

#124
20060129898
2006-06-15

Method for accessing a data sector and processing a bad sector in a hard disk drive of a mobile communication terminal

#125
20060123284
2006-06-08

Method of determining defects in information storage medium, recording/reproducing apparatus using the same, and information storage medium

#126
20060114810
2006-06-01

Information recording medium information recording method and information recording/reproduction system

#127
20060101313
2006-05-11

Method and apparatus for decoding multiword information

#128
20060075291
2006-04-06

Method and apparatus for replacement processing

#129
20060069948
2006-03-30

Error detecting memory module and method

#130
20060050622
2006-03-09

Recording medium, host device, and data processing method

#131
20060015801
2006-01-19

Method for encoding and decoding error correction block

#132
20060007829
2006-01-12

Method of and drive for recording medium defect management, and defect managed recording medium

#133
20050265191
2005-12-01

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

#134
20050235105
2005-10-20

Disk recording device, monitoring method for disk recording medium, and monitoring program for disk recording medium

#135
20050195717
2005-09-08

Method and device for detecting the signal on a disc having a defect by utilizing an RF signal and its derivatives

#136
20050175323
2005-08-11

Data recording method capable of replacing defective data on different location in spare areas

#137
20050174914
2005-08-11

Recording/reproducing apparatus

#138
20050144550
2005-06-30

Method of correcting data on a high-density recording medium

#139
20050144542
2005-06-30

Error handling of storage device data in real time systems

#140
20050135213
2005-06-23

Optically recorded data discrimination apparatus and associated methodology

#141
17528443
2023-03-28

End-to-end fixity check for archival storage based on high-performance integrity test with data quality using self-describing tape format

#142
16782399
2020-12-15

Reduced adjacent track erasure from write retry

#143
16249452
2019-09-10

Sensorless monitoring of laser power instability in a heat-assisted magnetic recording head

#144
16049331
2019-01-29

Sensorless monitoring of laser power instability in a heat-assisted magnetic recording head

#145
15849187
2019-03-26

Detecting damaged areas on magnetic tape based on measuring a number of servo errors

#146
15452159
2018-01-02

Data storage device with power loss adaptation

#147
15408982
2019-04-09

Sensorless monitoring of laser power instability in a heat-assisted magnetic recording head

#148
15170762
2017-07-18

Forward corrupted track detection and by-pass for shingled magnetic recording drives

#149
14336241
2015-09-08

Magnetic disk drive and method for controlling data rewrite