ClassID:

198997

G11B2020/183 - 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 at least one additional attempt is made to read or write the data when a first attempt is unsuccessful

Recent Application in this class:
#1
20240105230
2024-03-28

MAGNETIC DISK DEVICE AND METHOD

#2
20230307000
2023-09-28

Overlapping processing of data tracks

#3
20230215462
2023-07-06

Reducing deviation of read head position between writing and reading in a magnetic tape

#4
20230176936
2023-06-08

Scaling media utilizing healthy regions of a tape cartridge

#5
20220301589
2022-09-22

Magnetic disk device

#6
20220121520
2022-04-21

Memory system and operating method thereof

#7
20220044702
2022-02-10

Magnetic disk device and error correction method

#8
20210280215
2021-09-09

Magnetic disk device configured to write data according to normal recording and modified shingled recording formats

#9
20210272588
2021-09-02

MAGNETIC DISK DEVICE AND WRITE RETRY PROCESSING METHOD

#10
20200210277
2020-07-02

Data storage device employing multi-level parity sectors for data recovery procedure

#11
20200192759
2020-06-18

Memory system and operating method thereof

#12
20200043526
2020-02-06

Shingled magnetic recording storage system

#13
20190361778
2019-11-28

Memory system and operating method thereof

#14
20190332305
2019-10-31

Method, apparatus for processing disk bad sector,and computer storage medium

#15
20190051329
2019-02-14

Interlaced magnetic recording storage system

#16
20190027187
2019-01-24

Shingled magnetic recording storage system

#17
20180373442
2018-12-27

Method and apparatus for caching data in an solid state disk (SSD) of a hybrid drive that includes the SSD and a hard disk drive (HDD)

#18
20180285197
2018-10-04

Memory system and operating method thereof

#19
20180277158
2018-09-27

Storage device and controller

#20
20180182433
2018-06-28

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

#21
20170352377
2017-12-07

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

#22
20170344276
2017-11-30

Method and apparatus for storing data in a storage system that includes a final level cache (FLC)

#23
20170330594
2017-11-16

Tape apparatus and control device

#24
20170243603
2017-08-24

Disc drive circuitry swap

#25
20170148485
2017-05-25

MAGNETIC DISK DEVICE AND READING METHOD

#26
20170025147
2017-01-26

Phase error recovery circuitry and method for a magnetic recording device

#27
20160320981
2016-11-03

Caching systems and methods for hard disk drives and hybrid drives

#28
20160293221
2016-10-06

Efficient multichannel data format using variable-length headers

#29
20160293220
2016-10-06

Efficient multichannel data format using variable-length headers

#30
20150318022
2015-11-05

Caching systems and methods for hard disk drives and hybrid drives

#31
20150279420
2015-10-01

SIGNAL-QUALITY-INFORMATION CORRECTION DEVICE, SIGNAL-QUALITY-INFORMATION CORRECTION METHOD, AND INFORMATION REPRODUCTION SYSTEM

#32
20150009788
2015-01-08

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

#33
20140198401
2014-07-17

Hierarchical control of tiered error recovery for storage devices

#34
20140126079
2014-05-08

Error recovery procedure (ERP) using estimated best setting in first run

#35
20140011348
2014-01-09

Wafer alignment system and method

#36
20130283107
2013-10-24

Systems and methods for calibration coasting in a data processing system

#37
20130258516
2013-10-03

Error recovery procedure (ERP) using estimated best setting in first run

#38
20130235920
2013-09-12

Systems and methods for data processing including pre-equalizer noise suppression

#39
20130094105
2013-04-18

Hierarchical control of tiered error recovery for storage devices

#40
20130038961
2013-02-14

Method and apparatus for managing read or write errors

#41
20130021689
2013-01-24

Storage media inter-track interference cancellation

#42
20130003210
2013-01-03

Hard disk drive, method for operating the same, and computer system having the same

#43
20120284456
2012-11-08

Method for appending data to tape medium, and apparatus employing the same

#44
20120212848
2012-08-23

Overwrite control method for data in tape recording apparatus, and tape recording apparatus

#45
20120176698
2012-07-12

Reducing errors resulting from width variability of storage media write tracks

#46
20120170147
2012-07-05

Writing data to a tape

#47
20120162814
2012-06-28

Shingled recording apparatus and method capable of detecting drifted-off writing

#48
20120084336
2012-04-05

Systems and methods for retry sync mark detection

#49
20120066451
2012-03-15

Storage system, control device and storage device

#50
20110292536
2011-12-01

Data write control apparatus and data write control method

#51
20110292533
2011-12-01

Magnetic disk drive and method for rewriting data block

#52
20110264975
2011-10-27

Energy and space efficient detection for data storage

#53
20110222379
2011-09-15

Overwrite control for data in a tape recording apparatus

#54
20110222182
2011-09-15

DISK DEVICE AND WRITE METHOD

#55
20110205654
2011-08-25

CONTROL APPARATUS, NONVOLATILE STORAGE APPARATUS AND DATA INITIALIZATION METHOD

#56
20110170212
2011-07-14

METHOD AND APPARATUS FOR PREVENTING DATA LOSS IN HARD DISK DRIVE

#57
20110141602
2011-06-16

Systems and methods for storing data to magnetic tape having damaged areas

#58
20110113284
2011-05-12

READ RETRY METHOD AND APPARATUSES CAPABLE OF PERFORMING THE READ RETRY METHOD

#59
20110080211
2011-04-07

Systems and Methods for Noise Reduced Data Detection

#60
20110060973
2011-03-10

Systems and methods for stepped data retry in a storage system

#61
20110010601
2011-01-13

Data reproducing apparatus and data reproducing method

#62
20100332892
2010-12-30

Hard disk drive with data error recovery using multiple reads and derived reliability information

#63
20100328801
2010-12-30

DISK DRIVE

#64
20100306617
2010-12-02

Decoder device, decoding method and magnetic disk device

#65
20100290151
2010-11-18

DISK CONTROLLER, DISK DRIVE DEVICE, AND DISK CONTROL METHOD

#66
20100238778
2010-09-23

READING METHOD OF OPTICAL DISC DRIVE

#67
20100220566
2010-09-02

Optical information recording/reproducing device, optical information reproducing device, and optical information recording medium

#68
20100214687
2010-08-26

Storage device and read/write processing method therefor

#69
20100202266
2010-08-12

Recording device and method, computer program, and recording medium

#70
20100202078
2010-08-12

READ/WRITE PROCESSING METHOD FOR MEDIUM RECORDING DEVICE AND MEDIUM RECORDING DEVICE

#71
20100188767
2010-07-29

DISK DRIVE AND WRITE CONTROL METHOD THEREIN

#72
20100177420
2010-07-15

Rewriting codeword objects to magnetic data tape upon detection of an error

#73
20100172046
2010-07-08

Systems and methods for equalizer optimization in a storage access retry

#74
20100157757
2010-06-24

System and method for storage of data in circular data tracks on optical discs

#75
20100125775
2010-05-20

Reproduction apparatus and reproduction method

#76
20100123964
2010-05-20

STORAGE DEVICE AND CONTROL DEVICE

#77
20100110854
2010-05-06

DISK DEVICE, AND DATA MOVING PROGRAM AND METHOD

#78
20100095190
2010-04-15

STORAGE DEVICE AND DATA READING METHOD THEREOF

#79
20100083075
2010-04-01

Methods and apparatus for selective data retention decoding in a hard disk drive

#80
20100079889
2010-04-01

Systems and methods for storing data to magnetic tape having damaged areas

#81
20100058141
2010-03-04

STORAGE DEVICE AND CONTROL DEVICE

#82
20100050046
2010-02-25

Identification of potentially erroneous and/or erased data

#83
20090296251
2009-12-03

CONTROL APPARATUS, STORAGE DEVICE, AND TIMEOUT-POSSIBILITY NOTIFYING METHOD

#84
20090290253
2009-11-26

Servo information correcting method

#85
20090282282
2009-11-12

STORAGE APPARATUS, MEDIUM CONTAINING RETRY PROGRAM, AND RETRY METHOD

#86
20090268336
2009-10-29

Data storage device and adjacent track rewrite processing method

#87
20090251819
2009-10-08

HARD DISK DRIVE AND METHOD OF SETTING A WRITE-VERIFY TEMPERATURE THEREOF

#88
20090251817
2009-10-08

Data error recovery using voting on multiple retrials

#89
20090244763
2009-10-01

ELECTRONIC INFORMATION STORAGE APPARATUS, INFORMATION PROCESSING APPARATUS, IMAGE FORMING APPARATUS, AND COMPUTER READABLE MEDIUM

#90
20090244754
2009-10-01

Vibration detection for data storage device and write processing method for data storage device

#91
20090196126
2009-08-06

Method for buffering audio data in optical disc systems in case of mechanical shocks or vibrations

#92
20090177947
2009-07-09

Method for appending data to tape medium, and apparatus employing the same

#93
20090175144
2009-07-09

Information recording method and apparatus

#94
20090158125
2009-06-18

Recording/reproducing apparatus and recording/reproducing method

#95
20090141385
2009-06-04

Memory device for storing data and reading data

#96
20090138783
2009-05-28

Content data recording apparatus and method

#97
20090135693
2009-05-28

Data recovery through eliminating adjacent track interference

#98
20090083584
2009-03-26

Method for maintaining track data integrity in magnetic disk storage devices

#99
20090046552
2009-02-19

MEDIUM CONTROL DEVICE, MEDIUM CONTROL METHOD, AND RECORDING MEDIUM

#100
20090040887
2009-02-12

OPTICAL DISK REPRODUCTION APPARATUS

#101
20090003158
2009-01-01

Writing method for optical disk drive

#102
20080285411
2008-11-20

Optical disk drive

#103
20080276047
2008-11-06

Apparatus, system, and method for efficiently verifying writes

#104
20080270869
2008-10-30

Data reproducing apparatus

#105
20080259487
2008-10-23

Media drive, processing method for recording data onto a medium, processing method for data read from a medium, and method for controlling a process for reading data from a medium

#106
20080244188
2008-10-02

Information recording apparatus and control method thereof

#107
20080239902
2008-10-02

INFORMATION RECORDING APPARATUS AND INFORMATION RECORDING METHOD

#108
20080239886
2008-10-02

Apparatus, method and computer program for processing information

#109
20080229173
2008-09-18

Method and apparatus for error code correction

#110
20080215936
2008-09-04

Non-chronological AV-stream recording

#111
20080178060
2008-07-24

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

#112
20080144207
2008-06-19

Storing AD sampled data of read/write channel into ECC SRAM

#113
20080130442
2008-06-05

Optical disc drive provided with envelope defect detection function

#114
20080098280
2008-04-24

N-dimensional iterative ECC method and apparatus with combined erasure—error information and re-read

#115
20080091971
2008-04-17

Stored data processing apparatus, storage apparatus, and stored data processing program

#116
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

#117
20080062552
2008-03-13

Slew-rate control device, storage device, and slew-rate control method

#118
20080055765
2008-03-06

Control apparatus, storage apparatus, and computer product

#119
20080043356
2008-02-21

Read error recovery using soft information

#120
20080040719
2008-02-14

Device and method for ordering process execution using process step tables

#121
20080002268
2008-01-03

Write margin adjustment mechanism in a tape drive system

#122
20070300133
2007-12-27

Method for recovering data in a tape drive system

#123
20070300101
2007-12-27

Rapid regeneration of failed disk sector in a distributed database system

#124
20070292114
2007-12-20

Disc drive circuitry swap

#125
20070280077
2007-12-06

Write processing method for optical storage device and optical storage device

#126
20070279789
2007-12-06

Track based multiple sector error recovery

#127
20070277059
2007-11-29

Storage device, control device, and error reporting method

#128
20070273995
2007-11-29

Data storage device and error processing method in its read processing

#129
20070250757
2007-10-25

Method and data storage devices for a RAID system

#130
20070242580
2007-10-18

Optical disk apparatus and playback signal processing method

#131
20070226575
2007-09-27

Error correction scheme for a disc-playing system

#132
20070189726
2007-08-16

Recording and reproducing device, recording and reproducing method, and vehicle-mounted recording and reproducing device

#133
20070183739
2007-08-09

Information recording/playback apparatus and information recording/playback method

#134
20070168754
2007-07-19

Method and apparatus for ensuring writing integrity in mass storage systems

#135
20070150774
2007-06-28

Maintaining data integrity in a data storage system

#136
20070139802
2007-06-21

Magnetic data read circuit and card processing unit

#137
20070121457
2007-05-31

Optical disc apparatus and optical disc recording method

#138
20070121454
2007-05-31

Optical disk recognizing method and optical disk recording/reproducing apparatus applying it therein

#139
20070101189
2007-05-03

Storage apparatus, and control method and program

#140
20070064577
2007-03-22

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

#141
20070058513
2007-03-15

Optical disk device

#142
20070041117
2007-02-22

Method and systems for a highly error tolerant tape format

#143
20070028140
2007-02-01

Information processing method and information processing device

#144
20070014043
2007-01-18

Method of determining size of error and write control method for hard disc drive, hard disc drive using the write control method, and media storing computer programs for executing the methods

#145
20070002482
2007-01-04

Storage system, storage control device, and storage control method detecting read error response and performing retry read access to determine whether response includes an error or is valid

#146
20060245102
2006-11-02

Method and apparatus for improving the error rate of track information on a magnetic storage device

#147
20060209443
2006-09-21

Magnetic recording device

#148
20060203367
2006-09-14

Data randomization for rewriting in recording/reproduction apparatus

#149
20060171279
2006-08-03

Apparatus for and method of recording digital audio/video signals

#150
20060158976
2006-07-20

Magneto-optical disc device and method for writing data on magneto-optical disc

#151
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

#152
20060114592
2006-06-01

Data storage apparatus and method

#153
20060107092
2006-05-18

Performing retry operations

#154
20060092788
2006-05-04

Method for reading an optical disc

#155
20060075291
2006-04-06

Method and apparatus for replacement processing

#156
20060069945
2006-03-30

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

#157
20060005069
2006-01-05

Method and system for increasing data storage reliability and efficiency via compression

#158
20060005068
2006-01-05

Error correction extending over multiple sectors of data storage

#159
20050286378
2005-12-29

Data writing method

#160
20050262423
2005-11-24

Majority detection in error recovery

#161
20050262400
2005-11-24

Method for maintaining track data integrity in magnetic disk storage devices

#162
20050213446
2005-09-29

Optical disk device and method of control of an optical disk utilizing retry feature

#163
20050201236
2005-09-15

Data read retry with read timing adjustment for eccentrity of disc in data storage device

#164
20050198553
2005-09-08

Disk array apparatus and control method for the same

#165
20050188244
2005-08-25

Method and apparatus for retry calculation in an optical disk device

#166
20050174914
2005-08-11

Recording/reproducing apparatus

#167
20050174677
2005-08-11

Magnetic disk drive with diagnosis of error-correcting retries

#168
20050144376
2005-06-30

Method and apparatus to perform improved retry in data storage system

#169
20050135213
2005-06-23

Optically recorded data discrimination apparatus and associated methodology

#170
20050134990
2005-06-23

Composite magnetic head arranged so the reproducing elements do not overlap a pole of a recording element

#171
20050128623
2005-06-16

Environmental stress protection scheme for a data storage device

#172
20050122865
2005-06-09

Information recording method and apparatus

#173
20050122614
2005-06-09

Apparatus, medium, and method for adaptively controlling a retry process in a data storage apparatus

#174
20050099906
2005-05-12

Information recording medium which records information that pertains to integrity

#175
20050081132
2005-04-14

Method and apparatus for error code correction

#176
20050073761
2005-04-07

Media drive, processing method for recording data onto a medium, processing method for data read from a medium, and method for controlling a process for reading data from a medium

#177
20050034035
2005-02-10

Apparatus for and method of handling failure in reading motion picture data from storage medium and reproducing the same

#178
20050028042
2005-02-03

Information recording and reproducing method and information recording and reproducing device

#179
20050018570
2005-01-27

Disk apparatus

#180
20050013224
2005-01-20

Optical disk drive for driving copy-controlled CD

#181
17410840
2023-01-17

Read offset calibration for error recovery

#182
16808241
2021-01-05

Magnetic disk device and read error retry method for magnetic disk device

#183
16782399
2020-12-15

Reduced adjacent track erasure from write retry

#184
16661039
2020-10-27

Read error recovery in a tape drive

#185
15170762
2017-07-18

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

#186
11933662
2015-05-26

Disk drive adjusting a defect threshold when scanning for defective sectors