ClassID:

199019

G11B20/22 - CPC Classification

Classification description:

Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions

Sub-classes:
Recent Application in this class:
#1
20230127221
2023-04-27

MAGNETIC DISK DEVICE

#2
20220036923
2022-02-03

MAGNETIC DISK DEVICE

#3
20210056997
2021-02-25

Magnetic disk device and method of controlling the same

#4
20200021250
2020-01-16

CLOCKING SCHEME IN NONLINEAR SYSTEMS FOR DISTORTION IMPROVEMENT

#5
20190179780
2019-06-13

Set buffer state instruction

#6
20180198419
2018-07-12

Clocking scheme in nonlinear systems for distortion improvement

#7
20180040347
2018-02-08

Encoding, distribution and reproduction of audio media using mechanical image digitization

#8
20170186463
2017-06-29

Enhancing an audio recording

#9
20170125054
2017-05-04

Encoding, distribution and reproduction of audio media using mechanical image digitization

#10
20160232113
2016-08-11

Set buffer state instruction

#11
20160219468
2016-07-28

System for efficient recovery of node-B buffered data following MAC layer reset

#12
20160111060
2016-04-21

Video frame processing on a mobile operating system

#13
20150324214
2015-11-12

Interpreting I/O operation requests from pageable guests without host intervention

#14
20150078725
2015-03-19

Image capturing apparatus, image capturing system, and control method for the image capturing apparatus

#15
20150058852
2015-02-26

Interpreting I/O operation requests from pageable guests without host intervention

#16
20140226233
2014-08-14

STORAGE DEVICE WITH REFLECTION COMPENSATION CIRCUITRY

#17
20140192779
2014-07-10

System for efficient recovery of Node-B buffered data following MAC layer reset

#18
20140053037
2014-02-20

Multi-level LDPC layered decoder with out-of-order processing

#19
20130305247
2013-11-14

Interpreting I/O operation requests from pageable guests without host intervention

#20
20130286498
2013-10-31

Inter-track interference mitigation in magnetic recording systems using averaged values

#21
20130050004
2013-02-28

Read channel with selective oversampled analog to digital conversion

#22
20130003513
2013-01-03

Transfer control apparatus and reproducing apparatus

#23
20120281304
2012-11-08

Systems and methods for track width determination

#24
20120216198
2012-08-23

Interpreting I/O operation requests from pageable guests without host intervention

#25
20120201112
2012-08-09

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

#26
20120201111
2012-08-09

OPTICAL DISK REPRODUCING DEVICE AND PHASE-LOCKED LOOP CIRCUIT

#27
20120140608
2012-06-07

METHOD FOR DETECTING OBLIQUITY OF OPTICAL DISC DRIVE BASED ON FUNCTION BETWEEN OBLIQUITY AND CENTRAL ERROR SIGNAL BIAS

#28
20120137193
2012-05-31

Disc recording medium, disk drive apparatus, reproduction method, and disk manufacturing method

#29
20120017137
2012-01-19

Disc recording medium, disk drive apparatus, reproduction method, and disk manufacturing method

#30
20120002527
2012-01-05

Adjusting method for recording condition and optical disc device

#31
20110173615
2011-07-14

Interpreting I/O operation requests from pageable guests without host intervention

#32
20110164332
2011-07-07

Systems and methods for reducing low frequency loss in a magnetic storage device

#33
20110051945
2011-03-03

Reduction of clicking sounds in audio data stream

#34
20110013734
2011-01-20

Ingress noise reduction in a digital receiver

#35
20100284257
2010-11-11

Adjusting method for recording condition and optical disc device

#36
20100260025
2010-10-14

Adjusting method for recording condition and optical disc device

#37
20100202398
2010-08-12

System for efficient recovery of node-B buffered data following MAC layer reset

#38
20100177418
2010-07-15

WRITER AND READER CENTER ALIGNMENT WITH SERVO AND DATA TRACK IN DISCRETE TRACK RECORDING

#39
20100118424
2010-05-13

Measurement of round trip latency in write and read paths

#40
20100034059
2010-02-11

Disk recording medium, disk drive apparatus, reproduction method, and disk manufacturing method

#41
20100002556
2010-01-07

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

#42
20090273854
2009-11-05

Method for screening magnetic-recording heads

#43
20090268336
2009-10-29

Data storage device and adjacent track rewrite processing method

#44
20090244775
2009-10-01

ADJACENT-TRACK-ERASURE (ATE) REFRESH WITH INCREASED TRACK RESOLUTION FOR OFTEN-WRITTEN AREAS

#45
20090244759
2009-10-01

CORRECTION INFORMATION RECORDING METHOD, CORRECTION INFORMATION RECORDING CIRCUIT AND INFORMATION STORAGE DEVICE

#46
20090175141
2009-07-09

Write-once optical disc, and method and apparatus for recording management information on write-once optical disc

#47
20090150637
2009-06-11

Method and system for dynamically allocating read and write sequence randomizer

#48
20090147637
2009-06-11

OPTICAL DISK REPRODUCING DEVICE AND PHASE-LOCKED LOOP CIRCUIT

#49
20090116351
2009-05-07

Write-once type optical disc, and method and apparatus for managing defective areas on write-once type optical disc using TDMA information

#50
20090086602
2009-04-02

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

#51
20090080100
2009-03-26

Disk drive device and method for determining data track format of the disk drive device

#52
20090073822
2009-03-19

Signal processing method of wobble signal, recording and reproducing method of optical disc, optical disc apparatus, program, and recording medium

#53
20090052293
2009-02-26

Bit detection for multitrack digital data storage

#54
20090052287
2009-02-26

Disc control device

#55
20090040897
2009-02-12

Reproducing signal measuring method, signal reproducing apparatus, and optical recording medium

#56
20090003372
2009-01-01

Ingress noise reduction in a digital receiver

#57
20080320479
2008-12-25

TELECOM ADAPTER LAYER SYSTEM, AND METHOD AND APPARATUS FOR ACQUIRING NETWORK ELEMENT INFORMATION

#58
20080316893
2008-12-25

Reproducing Device and Method

#59
20080285404
2008-11-20

Disc signal evaluation apparatus and disc signal evaluation method

#60
20080260044
2008-10-23

FFT-BASED MULTICHANNEL VIDEO RECEIVER

#61
20080259781
2008-10-23

Disk recording medium, disk drive apparatus, reproducing method, and disk manufacturing method

#62
20080225656
2008-09-18

Cross-Talk Cancellation in Three-Spots Push-Pull Tracking Error Signal in Optical Disc Systems

#63
20080212221
2008-09-04

Method of setting AC erase frequency and AC erase method based on data frequency

#64
20080198492
2008-08-21

Hard disk drive and associated method for optimizing write parameters

#65
20080189469
2008-08-07

Preservation of hard drive data via dynamic band boundary definition

#66
20080112287
2008-05-15

OPTICAL DISK AND OPTICAL DISK DRIVE DEVICE

#67
20080088750
2008-04-17

Display Device with Speaker Grill

#68
20080080343
2008-04-03

OPTICAL INFORMATION STORAGE MEDIUM AND METHOD OF AND APPARATUS FOR RECORDING AND/OR REPRODUCING INFORMATION USING DIFFERENT MODULATION METHODS

#69
20080062489
2008-03-13

Method of improving quality of signals reproduced from holographic storage medium and apparatus therefor

#70
20080019031
2008-01-24

Method and apparatus adjusting reference clock frequency and disk drive using same

#71
20080008080
2008-01-10

Optical disk medium and optical disk apparatus

#72
20070273790
2007-11-29

Television apparatus

#73
20070242378
2007-10-18

Magnetic recording and reproducing apparatus and magnetic recording and reproducing method

#74
20070242377
2007-10-18

Magnetic recording/reproducing apparatus and magnetic recording/reproducing method

#75
20070211591
2007-09-13

Write-once optical disc, and method and apparatus for recording management information on write-once optical disc

#76
20070206474
2007-09-06

Information recording and reproducing apparatus, and information recording method

#77
20070195675
2007-08-23

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

#78
20070171566
2007-07-26

Signal reproducing method and storage apparatus

#79
20070159941
2007-07-12

Information recording medium, information reading apparatus and information recording apparatus

#80
20070140115
2007-06-21

Method for selection of an available transmission channel by sending a negative decision value and an additional positive decision value and corresponding base station, mobile terminal and mobile radio network

#81
20070133526
2007-06-14

Remote access communication system and control method thereof

#82
20070104078
2007-05-10

Apparatus and method for reading information from an information carrier

#83
20070094362
2007-04-26

Method for automatically configuring terminal equipment

#84
20070086286
2007-04-19

WOBBLE SIGNAL SYNTHESIZER AND METHOD FOR GENERATING SYNTHESIZED WOBBLE SIGNAL SYNCHRONIZED WITH PHYSICAL WOBBLE SIGNAL THROUGH COMPARING PHASES OF BOTH LAND PRE-PIT SIGNAL AND SYNTHESIZED WOBBLE SIGNAL WITH A REFERENCE CLOCK

#85
20070085709
2007-04-19

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

#86
20070070869
2007-03-29

Magnetic disk apparatus suppressing adjacent track influence

#87
20070067509
2007-03-22

Detection of data in burst cutting areas of optical disk

#88
20070058579
2007-03-15

Method for processing calls from multiple communication networks and equipment thereof

#89
20070053261
2007-03-08

Asynchronous crosstalk cancellation

#90
20070046512
2007-03-01

Data conversion system

#91
20070045551
2007-03-01

Camera module apparatus with IR-cut-coated window glass

#92
20070045550
2007-03-01

Miniature camera module with lens containing image sensor

#93
20070041115
2007-02-22

Methods and systems for automatically characterizing non-linearities of a read-back signal of a recording system

#94
20070030780
2007-02-08

System and method of estimating the tangential tilt of an optical data carrier...

#95
20070030038
2007-02-08

Charge/discharge control circuit for audio device

#96
20070002701
2007-01-04

Optical disk and optical disk drive device

#97
20060294534
2006-12-28

Optical disk and optical disk drive device

#98
20060288277
2006-12-21

Communication apparatus and display method

#99
20060279663
2006-12-14

Arrangement for and method of projecting a level image

#100
20060269012
2006-11-30

Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data

#101
20060262690
2006-11-23

System and method of compensating the tangential tilt in an optical data carrier signal

#102
20060256898
2006-11-16

Ingress noise reduction in a digital receiver

#103
20060239661
2006-10-26

FREQUENCY DETECTION METHODS

#104
20060233077
2006-10-19

Method of protecting data on recording medium and recording medium storing program for executing the method

#105
20060221924
2006-10-05

Mobile communications terminal for transmitting data frames in wireless lan and method thereof

#106
20060212903
2006-09-21

Moving picture processing device, information processing device, and program thereof

#107
20060208766
2006-09-21

Jitter detection apparatus

#108
20060192894
2006-08-31

Moving picture processing device, information processing device, and program thereof

#109
20060187775
2006-08-24

Device and method of reducing data-to-pushpull cross-talk

#110
20060182246
2006-08-17

Maintenance information communication terminal, image forming apparatus provided with same, maintenance information management host, and communication method

#111
20060181631
2006-08-17

Moving picture processing device, information processing device, and program thereof

#112
20060171692
2006-08-03

Disk device and control method therefore

#113
20060165385
2006-07-27

Method and electronic equipment for transmitting data to other electronic equipment on a network

#114
20060160545
2006-07-20

Methods and apparatus for identifying asset location in communication networks

#115
20060140600
2006-06-29

Image sensing apparatus with camera shake correction function

#116
20060139493
2006-06-29

Displaying apparatus and control method thereof

#117
20060125690
2006-06-15

Methods and apparatus for identifying asset location in communication networks

#118
20060114315
2006-06-01

Mixed media telecommunication call manager

#119
20060098318
2006-05-11

System and method for determining long-range erasure of adjacent tracks in hard disk drive

#120
20060077830
2006-04-13

Data reproducer

#121
20060077798
2006-04-13

Optical disk apparatus and photodetection signal processing method

#122
20060072418
2006-04-06

Method for crosstalk reduction between tracks on a recording medium, recording device, playback device and recording medium

#123
20060059507
2006-03-16

Method for storing and transmitting data generated by security module

#124
20060044623
2006-03-02

Apparatus, method, system, and computer program for managing image processing

#125
20060025168
2006-02-02

Synchronizing push to talk service in wireless communication system

#126
20060015798
2006-01-19

Viterbi bit detection method and device

#127
20060002478
2006-01-05

Coding image signal

#128
20060002265
2006-01-05

Optical disc device

#129
20050289432
2005-12-29

Read enable generator for a turbo decoder deinterleaved symbol memory

#130
20050289246
2005-12-29

Interpreting I/O operation requests from pageable guests without host intervention

#131
20050286096
2005-12-29

Apparatus and method for compensating for pixel distortion in reproduction of hologram data

#132
20050270967
2005-12-08

Method for processing a wobble signal

#133
20050242860
2005-11-03

FFT-based multichannel video receiver

#134
20050219727
2005-10-06

Signal processing device and signal processing method

#135
20050219725
2005-10-06

Read head preamplifier with thermal asperity transient control

#136
20050219564
2005-10-06

Image forming device, pattern formation method and storage medium storing its program

#137
20050218294
2005-10-06

Image sensor

#138
20050174669
2005-08-11

Preamplifier circuit with signal interference cancellation suitable for use in magnetic storage devices

#139
20050165923
2005-07-28

Transmitter device and relay device for performing data transmission control

#140
20050141370
2005-06-30

Method and apparatus for filtering read signal to three or more cutoff frequencies with two or more bits control line throughout three or more consecutive periods

#141
20050140667
2005-06-30

Connection device capable of converting a pixel clock to a character clock

#142
20050138462
2005-06-23

System and method for managing protocol network failures in a cluster system

#143
20050128925
2005-06-16

Optical storage device and reading method for optical storage medium

#144
20050128216
2005-06-16

Connection device capable of mixing an RGB graphics signal and a YUV video signal and related method

#145
20050128202
2005-06-16

GRAPHICS CARD FOR SMOOTHING THE PLAYING OF VIDEO

#146
20050122867
2005-06-09

Optical disk and optical disk drive device

#147
20050111657
2005-05-26

Weighted secret sharing and reconstructing method

#148
20050105422
2005-05-19

Optical disk and optical disk drive device

#149
20050078942
2005-04-14

Information processing apparatus and method program, and recording medium

#150
20050066101
2005-03-24

Method and device for connecting sensors or actuators to a bus system

#151
20050055551
2005-03-10

Interactive protocol for remote management of access control to scrambled data

#152
20050053208
2005-03-10

Process, arrangement, devices for seizure of a shared telephone line

#153
20050050202
2005-03-03

Application instance level workload distribution affinities

#154
20050046600
2005-03-03

Robust system for transmitting and receiving map data

#155
20050037736
2005-02-17

System and method for controlling a mobile terminal using a digital signature

#156
20050030872
2005-02-10

Signal restoring device for optical recording media

#157
20050018578
2005-01-27

Playback signal processing apparatus and optical disc device

#158
20050018337
2005-01-27

Preamble pattern and magnetic recording system using the pattern

#159
17471028
2022-12-20

Data storage device compensating for magnetic tape distortion when shingle writing data tracks