ClassID:

198805

G11B20/10194 - 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 predistortion during writing

Recent Application in this class:
#1
20230238031
2023-07-27

Magnetic disk device and parameter setting method of magnetic disk device

#2
20160275981
2016-09-22

Information recording and reproducing apparatus and information recording and reproducing method

#3
20140086029
2014-03-27

Pre-compensated optical tape wobble patterns

#4
20120243393
2012-09-27

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

#5
20120075739
2012-03-29

High-rate transition control code for magnetic recording channels

#6
20120036414
2012-02-09

Rendering data write errors detectable

#7
20120019946
2012-01-26

Systems and methods for adaptive baseline compensation

#8
20110141610
2011-06-16

Write synchronization in patterned magnetic media

#9
20110080211
2011-04-07

Systems and Methods for Noise Reduced Data Detection

#10
20110075289
2011-03-31

High-rate transition control code for magnetic recording channels

#11
20100322048
2010-12-23

Systems and methods for codec usage control during storage pre-read

#12
20100246048
2010-09-30

Preamplifier and method for synchronization with bit patterned media

#13
20100157464
2010-06-24

Systems and methods for adaptive MRA compensation

#14
20100118424
2010-05-13

Measurement of round trip latency in write and read paths

#15
20100073798
2010-03-25

Systems and methods for compensating baseline wandering in perpendicular magnetic recording

#16
20100053793
2010-03-04

Systems and methods for adaptive write pre-compensation

#17
20100053787
2010-03-04

Systems and methods for on-the-fly write pre-compensation estimation

#18
20100020661
2010-01-28

INFORMATION RECORDING APPARATUS AND METHOD, COMPUTER PROGRAM, AND RECORDING MEDIUM

#19
20090316561
2009-12-24

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

#20
20090274028
2009-11-05

Multi-bit phase alignment for synchronization mark pattern matching

#21
20090244758
2009-10-01

Hard disk drive preamplifier timers and methods to calibrate hard disk drive preamplifier timers

#22
20090219797
2009-09-03

Signal regenerator

#23
20090207519
2009-08-20

Compensating the effects of static head-media spacing variations and nonlinear transition shift in heat assisted magnetic recording

#24
20090168620
2009-07-02

Finite field based short error propagation modulation codes

#25
20090161245
2009-06-25

Frequency domain approach for efficient computation of fixed-point equalization targets

#26
20090147408
2009-06-11

Head IC, read circuit, media storage device and amplifier gain adjustment method for head IC

#27
20090086361
2009-04-02

Storage apparatus and method for processing recording compensation

#28
20090086356
2009-04-02

Detecting and correcting insertion and deletion of bits for bit patterned media storage systems

#29
20080316071
2008-12-25

Modulation Coding with Rll (1,K) and Mtr (2) Constraints

#30
20080294840
2008-11-27

Read/write channel coding and methods for use therewith

#31
20080285406
2008-11-20

OPTICAL DISC APPARATUS AND OPTICAL DISC REPRODUCTION METHOD

#32
20080285399
2008-11-20

Recorder, Player, and Recorder/Player

#33
20080278835
2008-11-13

Monitoring transducer potential to detect an operating condition

#34
20080266149
2008-10-30

Modulation Code System and Methods of Encoding and Decoding a Signal

#35
20080239558
2008-10-02

METHODS AND APPARATUS FOR DURATION CONTROL OF HARD DRIVE WRITE SIGNALS

#36
20080198490
2008-08-21

Read channel averaging

#37
20080186618
2008-08-07

Architecture for write pre-compensation

#38
20080158706
2008-07-03

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

#39
20080056342
2008-03-06

Pulse amplitude modulation circuit with pulse width equalization

#40
20080055778
2008-03-06

Disk Device

#41
20070247987
2007-10-25

Recording medium, method of configuring control information thereof, recording and/or reproducing method using the same, and apparatus thereof

#42
20070247986
2007-10-25

Recording medium, method of configuring control information thereof, recording and/or reproducing method using the same, and apparatus thereof

#43
20070230012
2007-10-04

Compensating the effects of static head-media spacing variations and nonlinear transition shift in heat assisted magnetic recording

#44
20070211362
2007-09-13

Readback system providing a combined sample output including multiple samples per bit

#45
20070201158
2007-08-30

Fly on demand in situ clearance measurement concept in hard disk drive

#46
20070174756
2007-07-26

Reproducing circuit

#47
20070162838
2007-07-12

Data writing apparatus and a storage system

#48
20070115575
2007-05-24

Recording current optimization method of hard disk drive, recording medium storing program to execute the method and apparatus employing the same

#49
20070058764
2007-03-15

Phase detection device and method thereof

#50
20060279868
2006-12-14

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

#51
20060250722
2006-11-09

Apparatus for providing high speed, linear-phase interpolation

#52
20060239157
2006-10-26

Reproduced signal evaluation method, information recording medium, information reproducing apparatus, information reproducing method, and information recording method

#53
20060238908
2006-10-26

Timing control circuit for an optical recording apparatus

#54
20060233085
2006-10-19

Reproduced signal evaluation method, information recording medium, information reproducing apparatus, information reproducing method, and information recording method

#55
20060233084
2006-10-19

Reproduced signal evaluation method, information recording medium, information reproducing apparatus, information reproducing method, and information recording method

#56
20060221791
2006-10-05

Recording medium, method of configuring control information thereof, recording and/or reproducing method using the same, and apparatus thereof

#57
20060221790
2006-10-05

Recording medium, method of configuring control information thereof, recording and/or reproducing method using the same, and apparatus thereof

#58
20060221487
2006-10-05

Method to determine temperature dependent write pre-compensation in a hard disk drive

#59
20060221481
2006-10-05

Write precompensation method for perpendicular magnetic recording

#60
20060220926
2006-10-05

Encoder and decoder

#61
20060215524
2006-09-28

Methods and systems for tuning write strategy parameters of an optical storage device

#62
20060208766
2006-09-21

Jitter detection apparatus

#63
20060188012
2006-08-24

Data encoding apparatus, data encoding method, data output apparatus, data output method, signal processing system, signal processing apparatus, signal processing method, data decoding apparatus, and data decoding method

#64
20060178766
2006-08-10

Method and apparatus for copying data from recordable media directly to portable storage devices

#65
20060153046
2006-07-13

Method and apparatus for recording marks on a write-once record carrier

#66
20060146671
2006-07-06

Finite field based short error propagation modulation codes

#67
20060119965
2006-06-08

Information recording device using patterned medium and control method thereof

#68
20060114587
2006-06-01

Method for precompensation/write-current latching to improve error rate

#69
20060062118
2006-03-23

Information reproduction apparatus and information reproduction method

#70
20050270677
2005-12-08

Write compensation circuit and signal interpolation circuit of recording device

#71
20050201241
2005-09-15

Recording medium, recording apparatus and recording method

#72
20050200996
2005-09-15

Method and apparatus for providing write pre-compensation using a read timing path

#73
20050190474
2005-09-01

Method and apparatus for providing write pre-compensation using a read timing path

#74
20050190473
2005-09-01

Method and apparatus for providing generalized write pre-compensation

#75
20050185558
2005-08-25

Recording medium, recording apparatus and recording method

#76
20050180286
2005-08-18

Recording medium, recording apparatus and recording method

#77
20050140527
2005-06-30

Information recording processor, information playback processor, method therefor, and information recording medium and computer program used therewith

#78
20050094300
2005-05-05

Method and apparatus for write control in a disk drive

#79
20050060620
2005-03-17

Method of increasing capacity of an optical disc

#80
20050008102
2005-01-13

Method for adaptive bit recovery

#81
20050007916
2005-01-13

Recording medium, method of configuring control information thereof, recording and/or reproducing method using the same, and apparatus thereof

#82
20050007853
2005-01-13

Recording medium, method of configuring control information thereof, recording and/or reproducing method using the same, and apparatus thereof

#83
15885551
2018-08-28

MUX select control of two phase shifted data in write precompensation

#84
14094235
2017-09-12

Precompensation based on nearby data