ClassID:

198795

G11B20/10101 - 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 partial response filtering when writing the signal to the medium or reading it therefrom PR2 or PR(1,2,1), i.e. partial response class 2, polynomial (1+D)2=1+2D+D2

Recent Application in this class:
#1
20120213049
2012-08-23

Read signal evaluation method, information recording and reading method, and information recording and reading apparatus

#2
20120069727
2012-03-22

Method for evaluating read signal

#3
20110199880
2011-08-18

Optical disc device and optical disc playback method

#4
20100064201
2010-03-11

APPARATUS AND METHOD OF GENERATING REFERENCE LEVEL OF VITERBI DECODER

#5
20090303853
2009-12-10

Optical information recording/reproduction apparatus and recording condition adjusting method

#6
20090296553
2009-12-03

OPTICAL DISC DEVICE AND OPTICAL DISC PLAYBACK METHOD

#7
20090257334
2009-10-15

Digital signal reproducing apparatus

#8
20090213484
2009-08-27

Techniques for providing DC-free detection of DC equalization target

#9
20090106627
2009-04-23

Digital information reproduction method

#10
20090080320
2009-03-26

Method for evaluating read signal

#11
20090067314
2009-03-12

Optical reading method and optical reading system

#12
20090052595
2009-02-26

Method of evaluating a readout signal, and optical disc apparatus

#13
20090010116
2009-01-08

Information recording apparatus, information processing method, and computer program

#14
20080205219
2008-08-28

JITTER MEASURING APPARATUS AND METHOD, SIGNAL PERIOD MEASURING APPARATUS AND METHOD, AND OPTICAL DISK PLAYER

#15
20080151716
2008-06-26

OPTICAL DISC RECORDING AND REPRODUCING APPARATUS AND OPTICAL DISC RECORDING AND REPRODUCING METHOD

#16
20080151405
2008-06-26

System and method for drive-side guarantee of quality of service and for extending the lifetime of storage devices

#17
20070286048
2007-12-13

Reproducing apparatus and method with reduced bit error rate

#18
20070195675
2007-08-23

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

#19
20070189132
2007-08-16

Apparatus and method of estimating the quality of input signal, and optical disc driver

#20
20070177475
2007-08-02

Method and apparatus to reproduce data with an improved data error correction capability

#21
20070159367
2007-07-12

Code sequence generation method, modulation apparatus, modulation method, modulation program, demodulation apparatus, demodulation method, demodulation program and storage medium

#22
20070097848
2007-05-03

Optical disk, optical disk recording method and optical disk apparatus

#23
20070091783
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#24
20070091782
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#25
20070091781
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#26
20070091776
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#27
20070091775
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#28
20070091774
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#29
20070091765
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#30
20070091764
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#31
20070091763
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#32
20070091762
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#33
20070091761
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#34
20070091760
2007-04-26

Optical disk, optical disk recording method and optical disk apparatus

#35
20070086318
2007-04-19

Optical disk, optical disk recording method and optical disk apparatus

#36
20070086304
2007-04-19

Optical disk, optical disk recording method and optical disk apparatus

#37
20070086303
2007-04-19

OPTICAL DISK, OPTICAL DISK RECORDING METHOD AND OPTICAL DISK APPARATUS

#38
20070086302
2007-04-19

Optical disk, optical disk recording method and optical disk apparatus

#39
20070076572
2007-04-05

Optical disk, optical disk recording method and optical disk apparatus

#40
20070076569
2007-04-05

OPTICAL DISK, OPTICAL DISK RECORDING METHOD AND OPTICAL DISK APPARATUS

#41
20070076567
2007-04-05

Optical disk, optical disk recording method and optical disk apparatus

#42
20070076565
2007-04-05

Optical disk, optical disk recording method and optical disk apparatus

#43
20070070873
2007-03-29

Optical disk, optical disk recording method and optical disk apparatus

#44
20070070872
2007-03-29

Optical disk, optical disk recording method and optical disk apparatus

#45
20070070871
2007-03-29

Optical disk, optical disk recording method and optical disk apparatus

#46
20070036053
2007-02-15

Information recording medium, information recording device, and information recording method

#47
20060277449
2006-12-07

Decoding apparatus, decoding method, program-recording medium, program and recording/reproduction apparatus

#48
20060262689
2006-11-23

Reproduction signal evaluation method

#49
20060262688
2006-11-23

Reproduction signal evaluation method

#50
20060242545
2006-10-26

Decoding system for eight-to-fourteen modulation or eight-to-sixteen modulation

#51
20060239655
2006-10-26

Optical disc playback apparatus

#52
20060215290
2006-09-28

System and method for drive-side guarantee of quality of service and for extending the lifetime of storage devices

#53
20060193405
2006-08-31

Recording condition setting device, recording/reproducing device, recording condition setting method, control program, and recording medium

#54
20060133252
2006-06-22

Electronic circuit for decoding a read signal from an optical storage medium

#55
20060114782
2006-06-01

Optical disk, optical disk recording method and optical disk apparatus

#56
20060087947
2006-04-27

Optical disc apparatus with adjustable constraint length PRML

#57
20060013344
2006-01-19

Method and system for maximum likelihood detection

#58
20050259551
2005-11-24

Information reproduction apparatus and information reproduction method

#59
20050249318
2005-11-10

Method of evaluating a readout signal, and optical disc apparatus

#60
20050195923
2005-09-08

Apparatus for recording and regenerating data

#61
20050193318
2005-09-01

Adaptive waveform equalization for viterbi-decodable signal and signal quality evaluation of viterbi-decodable signal

#62
20050190477
2005-09-01

Apparatus for recording and regenerating data

#63
20050185314
2005-08-25

Apparatus for recording and regenerating data

#64
20050135223
2005-06-23

Optical disk, optical disk recording method and optical disk apparatus

#65
20050129232
2005-06-16

Reproduction method and apparatus, and recording method and apparatus

#66
20050063275
2005-03-24

Adaptive equalization apparatus and adaptive equalization method

#67
20050058048
2005-03-17

Device and method for data reproduction

#68
20050053174
2005-03-10

Device and method for data reproduction

#69
20050025261
2005-02-03

Apparatus and method for detecting binary data

#70
20050018337
2005-01-27

Preamble pattern and magnetic recording system using the pattern