Patents-Review.com
ClassID:

198893 ⎘

G11B20/1201 - CPC Classification

Classification description:

Signal processing not specific to the method of recording or reproducing; Circuits therefor; Digital recording or reproducing; Formatting, e.g. arrangement of data block or words on the record carriers on tapes

Sub-classes:
Recent Application in this class:
#1
20260004812
2026-01-01

PARITY PARTITIONS FOR LINEAR TAPE

 #2
20250349316
2025-11-13

MAGNETIC HEAD, MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, MAGNETIC TAPE DRIVE, AND MAGNETIC TAPE SYSTEM

 #3
20230075986
2023-03-09

Method of total dimensional stability control in magnetic tape system with global calibration data

 #4
20220415356
2022-12-29

Magnetic tape cartridge group and magnetic recording and reproducing device

 #5
20220188010
2022-06-16

Method and system for a local storage engine collaborating with a solid state drive controller

 #6
20220068308
2022-03-03

Data storage device reading data from magnetic tape in forward and reverse direction

 #7
20210383834
2021-12-09

Derivation device, derivation method, derivation program, and magnetic tape

 #8
20210343312
2021-11-04

Recording and reproducing device, recording and reproducing method, and magnetic tape cartridge

 #9
20210241795
2021-08-05

Magnetic tape with characterized servo bands, magnetic tape cartridge, and magnetic tape apparatus

 #10
20210241787
2021-08-05

Magnetic tape having controlled dimensions, magnetic tape cartridge, and magnetic tape apparatus

 #11
20210217441
2021-07-15

Cartridge memory

 #12
20210201945
2021-07-01

Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

 #13
20210098020
2021-04-01

Magnetic tape cartridge, recording device, recording method, reproducing system, and reproducing method

 #14
20210098018
2021-04-01

Recording and reproducing device, recording and reproducing method, and magnetic tape cartridge

 #15
20210020197
2021-01-21

Magnetic recording medium

 #16
20210012804
2021-01-14

Cartridge memory, recording medium cartridge, and method of producing the same

 #17
20210012799
2021-01-14

Magnetic recording medium

 #18
20200372932
2020-11-26

Magnetic recording medium

 #19
20200365182
2020-11-19

Tape device and controller

 #20
20200142593
2020-05-07

Writing file information for tape file systems

 #21
20200042229
2020-02-06

Tape drive data reclamation

 #22
20190385641
2019-12-19

Timing index writes to a tape medium

 #23
20190362749
2019-11-28

Multi-mode, multi-channel magnetic recording head and apparatus

 #24
20190362748
2019-11-28

Multi-mode, multi-channel magnetic recording head and apparatus

 #25
20190362747
2019-11-28

Multi-mode, multi-channel magnetic recording head and apparatus

 #26
20190311741
2019-10-10

Efficient rewrite using larger codeword sizes

 #27
20190279673
2019-09-12

Aligned shingled writing for magnetic recording media and media having shingle edge positioned tracks

 #28
20190279659
2019-09-12

Storing data on unused areas of a storage medium

 #29
20190214047
2019-07-11

Multi-mode, multi-channel magnetic recording head and apparatus

 #30
20190214046
2019-07-11

Multi-mode, multi-channel magnetic recording head and apparatus

 #31
20190214045
2019-07-11

Multi-mode, multi-channel magnetic recording head and apparatus

 #32
20190214044
2019-07-11

Multi-mode, multi-channel magnetic recording head and apparatus

 #33
20190214043
2019-07-11

Multi-mode, multi-channel magnetic recording head and apparatus

 #34
20180374507
2018-12-27

Head positioning of timing-based servo system for magnetic tape recording device

 #35
20180307410
2018-10-25

Media drive system with built-in controller for improved functionality

 #36
20180277157
2018-09-27

Selective index writing prior to unthreading a magnetic recording tape

 #37
20180268850
2018-09-20

Multi-mode, multi-channel magnetic recording head and apparatus

 #38
20180268849
2018-09-20

Multi-mode, multi-channel magnetic recording head and apparatus

 #39
20180233169
2018-08-16

Aligned shingled writing for magnetic recording media and media having shingle edge positioned tracks

 #40
20180090162
2018-03-29

Aligned shingled writing for magnetic recording media and media having shingle edge positioned tracks

 #41
20180063469
2018-03-01

Multiple tape video data splitter

 #42
20170278540
2017-09-28

Magnetic tape and magnetic tape device

 #43
20170169845
2017-06-15

Measurement and correction of magnetic writer offset error

 #44
20170154649
2017-06-01

Data storage mechanism using storage system determined write locations

 #45
20170131950
2017-05-11

Data writing in a file system

 #46
20170131935
2017-05-11

Data writing in a file system

 #47
20170131903
2017-05-11

Data writing in a file system

 #48
20170125061
2017-05-04

Method of managing, writing, and reading file on tape

 #49
20170076747
2017-03-16

Magnetic tape medium servo pattern writing method using single coil multi-gap write head

 #50
20160372150
2016-12-22

Time-varying filter for high-frequency reel disturbance rejection

 #51
20160293221
2016-10-06

Efficient multichannel data format using variable-length headers

 #52
20160293220
2016-10-06

Efficient multichannel data format using variable-length headers

 #53
20160260449
2016-09-08

Measurement and correction of magnetic writer offset error

 #54
20160254015
2016-09-01

Tape recording head having non-parallel gaps and dissimilar transducer pitches

 #55
20160254014
2016-09-01

Aligned shingled writing for magnetic recording media and media having shingle edge positioned tracks

 #56
20160117222
2016-04-28

Time multiplexed redundant array of independent tapes

 #57
20160117111
2016-04-28

Reading order search method and program for recording

 #58
20160103628
2016-04-14

Data storage mechanism using storage system determined write locations

 #59
20160092370
2016-03-31

Pass-through tape access in a disk storage environment

 #60
20160042755
2016-02-11

Digital optical tape storage system

 #61
20160019920
2016-01-21

Detecting a servo pattern using a data channel in a magnetic tape drive

 #62
20160012860
2016-01-14

Shingle verify archive appliance

 #63
20160012073
2016-01-14

Method of managing, writing, and reading file on tape

 #64
20160004439
2016-01-07

Tape volume access block having data set information stored therein

 #65
20150356993
2015-12-10

Write head for a magnetic tape medium with magnetically encoded servo band bursts

 #66
20150356984
2015-12-10

Method for writing a servo pattern to a magnetic tape medium with magnetically encoded servo band bursts

 #67
20150318008
2015-11-05

Magnetic tape storage medium

 #68
20150318007
2015-11-05

Magnetic tape storage medium

 #69
20150309738
2015-10-29

Adapting to predicted changes in host transmission rates

 #70
20150279397
2015-10-01

Tape servo track write compensation

 #71
20150279396
2015-10-01

Tape recording head having non-parallel gaps and dissimilar transducer pitches

 #72
20150255107
2015-09-10

Tape recording medium, information recording/reproducing device, and method of manufacturing tape recording medium

 #73
20150248248
2015-09-03

WRITING STANDARD TAPE FORMAT TO MEMORY

 #74
20150206546
2015-07-23

High density timing based servo format for use with tilted transducer arrays

 #75
20150193145
2015-07-09

Tape volume access block having data set information stored therein

 #76
20150146317
2015-05-28

Reclamation of data on tape cartridge

 #77
20150103436
2015-04-16

Magnetic data storage apparatus for use with linear recording media having a reduced servo band width

 #78
20150062742
2015-03-05

Quasi-statically tilted head having dilated transducer pitch

 #79
20150055241
2015-02-26

Method for writing file on tape medium that can be read at high speed

 #80
20150055240
2015-02-26

Recovery of data written before initialization of format in tape media

 #81
20140340778
2014-11-20

Data duplication in tape drives

 #82
20140268399
2014-09-18

Reading order search method and program for recording groups on tape

 #83
20140226235
2014-08-14

Methods for formatting and using linear recording media having a reduced servo band width

 #84
20140195745
2014-07-10

Data storage mechanism using storage system determined write locations

 #85
20140086029
2014-03-27

Pre-compensated optical tape wobble patterns

 #86
20140055880
2014-02-27

Data adapters for storage tape analytics system

 #87
20130293978
2013-11-07

System utility for controling data synchronization in a tape data storage system

 #88
20130107393
2013-05-02

Longitudinal position information on a magnetic tape media

 #89
20130088794
2013-04-11

Robust metric computation of longitudinal position (LPOS) data symbol detection

 #90
20130055054
2013-02-28

End-to end data protection supporting multiple CRC algorithms

 #91
20130055053
2013-02-28

END-TO-END DATA PROTECTION SUPPORTING MULTIPLE CRC ALGORITHMS

 #92
20120307399
2012-12-06

Method and system for providing tape-format compatibility between various types of tape heads

 #93
20120300330
2012-11-29

Tape storage processing

 #94
20120212852
2012-08-23

Determining a reference waveform used by a correlator in a servo channel

 #95
20120182639
2012-07-19

String searching within peripheral storage devices

 #96
20120106004
2012-05-03

Apparatus for a medium having a medium identification pattern and a segment identification pattern

 #97
20120105995
2012-05-03

Writing data to a tape

 #98
20120047328
2012-02-23

Data de-duplication for serial-access storage media

 #99
20120033321
2012-02-09

Tape layout design for reliable ECC decoding

 #100
20120014010
2012-01-19

Determining a reference waveform used by a correlator in a servo channel

 #101
20110267717
2011-11-03

Linear recording tape with a reduced servo band width, and system and method for using the same

 #102
20110238906
2011-09-29

File index, metadata storage, and file system management for magnetic tape

 #103
20110102927
2011-05-05

Multilevel pulse position modulation for efficient encoding of information into servo patterns

 #104
20100226038
2010-09-09

Servo design in data storage media

 #105
20100177422
2010-07-15

Rewrite-efficient ECC/interleaving for multi-track recording on magnetic tape

 #106
20100177421
2010-07-15

Storing partial data sets to magnetic tape

 #107
20100079890
2010-04-01

METHOD AND APPARATUS FOR ENCODING POSITIONING INFORMATION ON A MAGNETIC TAPE MEDIA

 #108
20090296267
2009-12-03

Apparatus and method for writing data onto tape medium

 #109
20090237832
2009-09-24

Error correction coding of longitudinal position information

 #110
20090208018
2009-08-20

Data transfer device

 #111
20090207515
2009-08-20

Error correction capability for longitudinal position data in a tape storage system

 #112
20090063763
2009-03-05

Controlling writing to magnetic tape

 #113
20080294954
2008-11-27

Avoiding a part of tape where error occurs by computing a number of records and a number of boundary marks included in an error data unit

 #114
20080273697
2008-11-06

Use of indirect data keys for encrypted tape cartridges

 #115
20080256423
2008-10-16

Apparatus for providing error correction capability to longitudinal position data

 #116
20080256422
2008-10-16

Apparatus for providing error correction capability to longitudinal position data

 #117
20080250197
2008-10-09

Physical tape interchange format

 #118
20080218893
2008-09-11

Magnetic tape device and data recording method

 #119
20080100945
2008-05-01

Formatted storage media providing space for encrypted text and dedicated space for clear text

 #120
20080089664
2008-04-17

Recording medium and apparatus for protecting copyrighted digital data

 #121
20080013200
2008-01-17

Recording medium and apparatus for protecting copyrighted digital data

 #122
20070294461
2007-12-20

Method and system for increasing recording format reliability for limited media space in a tape drive system

 #123
20070223126
2007-09-27

Robust data storage techniques for two-sided data storage tape

 #124
20070183079
2007-08-09

Method, system, and program for storing data in a storage medium

 #125
20070177293
2007-08-02

Method for recording data freshness degrees by a tape drive

 #126
20070136517
2007-06-14

Use of directory revision number to validate directory

 #127
20070121250
2007-05-31

Method and appliance for copying data from a tape onto a storage medium

 #128
20070097534
2007-05-03

Tape drive apparatus and method

 #129
20070079059
2007-04-05

Method of controlling write and read of data for tape recording apparatus

 #130
20070071420
2007-03-29

Recording medium and apparatus for protecting copyrighted digital data

 #131
20070053091
2007-03-08

System and method for writing data to magnetic tape

 #132
20070047127
2007-03-01

Dynamically adapting a read channel equalizer

 #133
20070044007
2007-02-22

Method and apparatus for providing error correction capability to longitudinal position data

 #134
20060203367
2006-09-14

Data randomization for rewriting in recording/reproduction apparatus

 #135
20060176598
2006-08-10

Data structure, data storage apparatus and method

 #136
20060164748
2006-07-27

Tape drive apparatus

 #137
20060164744
2006-07-27

Method, system, and program for storing data in a storage medium

 #138
20060087759
2006-04-27

Tape drive apparatus

 #139
20060023357
2006-02-02

Medium for use in a tape drive apparatus having identification segment and a segment identification pattern

 #140
20050265549
2005-12-01

Recording medium and apparatus for protecting copyrighted digital data

 #141
20050190211
2005-09-01

Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus

 #142
20050190210
2005-09-01

Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus

 #143
20050190209
2005-09-01

Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus

 #144
20050190208
2005-09-01

Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus

 #145
20050187776
2005-08-25

Audio signal processing method, audio signal processing apparatus, HI-FI video apparatus, digital video apparatus and 8 MM video apparatus

 #146
20050187775
2005-08-25

Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus

 #147
20050128625
2005-06-16

Writing synchronized data to magnetic tape

 #148
20050018342
2005-01-27

Tape drive apparatus, recording and/or reproducing method, and recording medium

 #149
17355322
2022-11-08

Duplexing data from multiple file systems onto a shared tape

 #150
17083355
2021-11-16

Optimized tape unmount operation

 #151
17083352
2021-10-19

Optimized tape unmount operation

 #152
16254744
2020-03-10

Safe head positioning based on y-position values in tape drive

 #153
16200391
2019-10-22

Increasing data storage capacity by reducing index entries

 #154
16013123
2019-10-22

Tape drive data reclamation

 #155
15914695
2018-11-20

Storing data on unused areas of a storage medium

 #156
15469344
2018-06-12

Selective index writing prior to unthreading a magnetic recording tape

 #157
15460091
2018-05-22

Multi-mode, multi-channel magnetic recording head and apparatus

 #158
15139384
2017-03-14

Columnar data storage on tape partition

 #159
15067404
2016-10-04

Data writing in a file system

 #160
14962397
2017-01-03

Writing dummy indices on a tape medium partition

 #161
14755115
2015-12-08

Replication of tape cartridge data

 #162
14675600
2016-04-12

Efficient multichannel data format using variable-length headers

 #163
14502218
2016-01-19

Pass-through tape access in a disk storage environment

 #164
14489697
2015-08-18

Replication of tape cartridge data

 #165
14316696
2014-12-02

Quasi-statically tilted head having dilated transducer pitch