ClassID:

198797

G11B20/1012 - 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 partial response PR(1,2,2,2,1)

Recent Application in this class:
#1
20150302882
2015-10-22

OPTICAL INFORMATION RECORDING MEDIUM

#2
20140185421
2014-07-03

Optical information reproducing apparatus and optical information reproducing method

#3
20120230173
2012-09-13

OPTICAL DISK REPRODUCING APPARATUS

#4
20120207009
2012-08-16

Optical information recording medium and optical information processing apparatus

#5
20120201112
2012-08-09

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

#6
20120069727
2012-03-22

Method for evaluating read signal

#7
20120002712
2012-01-05

Equalizer and equalization method

#8
20120002527
2012-01-05

Adjusting method for recording condition and optical disc device

#9
20120002526
2012-01-05

Method of evaluating reproduce signal and optical disc drive

#10
20110292780
2011-12-01

Information recording medium evaluation method, information recording medium, method for manufacturing information recording medium, signal processing method and access control apparatus

#11
20110276990
2011-11-10

Encoding device, encoding method, recording device, recording method, optical recording medium, decoding device and decoding method

#12
20110273972
2011-11-10

Coding apparatus, coding method, recording apparatus, recording method, decoding apparatus, and decoding method

#13
20110228662
2011-09-22

Optical disk reproducing apparatus

#14
20110199880
2011-08-18

Optical disc device and optical disc playback method

#15
20110164487
2011-07-07

INFORMATION RECORDING/REPRODUCING DEVICE AND INFORMATION RECORDING/ REPRODUCING METHOD

#16
20110149704
2011-06-23

Signal evaluation method and signal evaluation apparatus

#17
20110110210
2011-05-12

Information detection device and optical disc device

#18
20110063961
2011-03-17

Optical disc apparatus and optical disc recording/reproducing method

#19
20110058462
2011-03-10

Phase error detection apparatus, phase error detection method, and reproduction apparatus

#20
20110032809
2011-02-10

INFORMATION RECORDING MEDIUM EVALUATION METHOD, INFORMATION RECORDING MEDIUM, METHOD FOR MANUFACTURING INFORMATION RECORDING MEDIUM, SIGNAL PROCESSING METHOD AND ACCESS CONTROL APPARATUS

#21
20110026383
2011-02-03

Reproduced signal evaluation method and write adjustment method

#22
20100329090
2010-12-30

Target level setting method for a signal used in maximum-likelihood decoding in PRML processing of a signal reproduced from an optical information recording medium, playback device for an optical information recording medium, and target level setting program for a signal used in maximum-likelihood decoding in PRML processing

#23
20100322052
2010-12-23

REPRODUCTION SIGNAL QUALITY EVALUATION DEVICE AND METHOD

#24
20100316108
2010-12-16

Device and method of data recovery

#25
20100302925
2010-12-02

Reproduced signal evaluating method, information recording medium, reproducing device, and recording device

#26
20100284257
2010-11-11

Adjusting method for recording condition and optical disc device

#27
20100260025
2010-10-14

Adjusting method for recording condition and optical disc device

#28
20100254246
2010-10-07

Optical information recording medium and optical information processing apparatus

#29
20100254245
2010-10-07

Optical information recording medium and optical information processing apparatus

#30
20100254244
2010-10-07

Optical information recording medium and optical information processing apparatus

#31
20100254243
2010-10-07

Optical information recording medium and optical information processing apparatus

#32
20100254234
2010-10-07

Optical information recording medium and optical information processing apparatus

#33
20100214895
2010-08-26

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

#34
20100195462
2010-08-05

Method of evaluating reproduce signal and optical disc drive

#35
20100169730
2010-07-01

Phase error detection device, phase error detecting method, integrated circuit and optical disc device

#36
20100157749
2010-06-24

Information Recording/Reproducing Apparatus and Track Offset Adjusting Method of Information Recording Medium

#37
20100135142
2010-06-03

Viterbi detector and information reproducing apparatus

#38
20100097910
2010-04-22

Information readout device and information readout method

#39
20100085851
2010-04-08

METHOD AND APPARATUS FOR EVALUATING INFORMATION RECORDING MEDIUM

#40
20100080099
2010-04-01

Device and method for reproducing information, and computer program

#41
20100046333
2010-02-25

Optical information recording medium and optical information processing apparatus

#42
20100039912
2010-02-18

OPTICAL INFORMATION RECORDING/REPRODUCING UNIT AND METHOD OF MEASURING RECORDED-MARK QUALITY

#43
20100002556
2010-01-07

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

#44
20090303853
2009-12-10

Optical information recording/reproduction apparatus and recording condition adjusting method

#45
20090296553
2009-12-03

OPTICAL DISC DEVICE AND OPTICAL DISC PLAYBACK METHOD

#46
20090262618
2009-10-22

Tilt adjusting method and information recording/reproducing apparatus using the same

#47
20090225639
2009-09-10

Signal evaluation method and signal evaluation apparatus

#48
20090213923
2009-08-27

Method and apparatus for channel detection

#49
20090141605
2009-06-04

OPTICAL DISC REPRODUCING DEVICE AND OPTICAL DISC REPRODUCING METHOD

#50
20090080320
2009-03-26

Method for evaluating read signal

#51
20090067314
2009-03-12

Optical reading method and optical reading system

#52
20090052595
2009-02-26

Method of evaluating a readout signal, and optical disc apparatus

#53
20090052294
2009-02-26

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS AND INFORMATION REPRODUCING METHOD

#54
20080279066
2008-11-13

Method for evaluating signal in optical recording and reading and method for optical recording and reading

#55
20080267037
2008-10-30

Method of reading optical information in super-resolution

#56
20080198720
2008-08-21

Optical disk reproducing apparatus

#57
20080159104
2008-07-03

INFORMATION RECORDING MEDIUM EVALUATION METHOD, INFORMATION RECORDING MEDIUM, METHOD FOR MANUFACTURING INFORMATION RECORDING MEDIUM, SIGNAL PROCESSING METHOD AND ACCESS CONTROL APPARATUS

#58
20080151726
2008-06-26

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

#59
20080151704
2008-06-26

Readback apparatus and readback method

#60
20080148134
2008-06-19

DIGITAL DATA DECODING APPARATUS AND DIGITAL DATA DECODING METHOD

#61
20070291604
2007-12-20

Optical information recording method and optical information regeneration recorder, and signal processing circuit, and recording reproduction program and information recording medium

#62
20070274185
2007-11-29

Optical disc and method and system for reproducing optical disc

#63
20070247998
2007-10-25

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

#64
20070234188
2007-10-04

Maximum likelihood decoding device, signal evaluating method, and reproducing apparatus

#65
20070206482
2007-09-06

Method and apparatus for reproducing optical recording medium

#66
20070177479
2007-08-02

Information reproducing apparatus and information reproducing method

#67
20070113122
2007-05-17

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

#68
20070097846
2007-05-03

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

#69
20070097845
2007-05-03

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

#70
20070097844
2007-05-03

Information recording medium, information reproducing apparatus, information reproducing method and information recording method

#71
20070097842
2007-05-03

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

#72
20070097841
2007-05-03

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

#73
20070097821
2007-05-03

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

#74
20070097820
2007-05-03

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

#75
20070097804
2007-05-03

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

#76
20070097803
2007-05-03

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

#77
20070094438
2007-04-26

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

#78
20070081446
2007-04-12

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

#79
20070076556
2007-04-05

OPTICAL DISC DEVICE AND METHOD FOR DETECTING DEFECT ON OPTICAL DISC

#80
20070057823
2007-03-15

Optical storage device decoding method

#81
20070036053
2007-02-15

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

#82
20070014385
2007-01-18

Evaluating device, reproducing device, and evaluating method

#83
20070008848
2007-01-11

Information storage medium, recording method, reproducing method, and reproducing apparatus

#84
20060092803
2006-05-04

Optical disk apparatus and optical disk reproduction method

#85
20060087947
2006-04-27

Optical disc apparatus with adjustable constraint length PRML

#86
20060023604
2006-02-02

Signal processing apparatus and method for recording medium

#87
20050270939
2005-12-08

Optical disk recording/reproducing method, optical disk recording/reproducing apparatus and optical disk

#88
20050259551
2005-11-24

Information reproduction apparatus and information reproduction method

#89
20050249318
2005-11-10

Method of evaluating a readout signal, and optical disc apparatus

#90
20050213481
2005-09-29

Information recording medium, information reproducing apparatus, information reproducing method and information recording method