ClassID:

198042

G11B7/08511 - CPC Classification

Classification description:

Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation , reproducing using an optical beam at lower power ; Record carriers therefor; Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection; Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only

Recent Application in this class:
#1
20190325909
2019-10-24

Optical disc and optical disc device

#2
20180268857
2018-09-20

Optical disc and optical disc device

#3
20160225400
2016-08-04

Optical disc device and spherical aberration error signal detection method

#4
20150356991
2015-12-10

Optical disc and optical disc device

#5
20150287431
2015-10-08

Optical disk and optical disk reproduction device for reproducing same

#6
20150131421
2015-05-14

Optical disk apparatus, control method, control program and information storage medium

#7
20140347970
2014-11-27

Optical disc and optical disc device

#8
20140226451
2014-08-14

Optical information storage medium reproduction apparatus and control method of the same

#9
20140071800
2014-03-13

Optical disc and optical disc device

#10
20140050074
2014-02-20

Optical disc and optical disc device

#11
20140050073
2014-02-20

Optical disc and optical disc device

#12
20140050072
2014-02-20

Optical disc and optical disc device

#13
20140050071
2014-02-20

Optical disc and optical disc device

#14
20140050070
2014-02-20

Optical disc and optical disc device

#15
20140050068
2014-02-20

Optical disc and optical disc device

#16
20140050064
2014-02-20

Optical disc and optical disc device

#17
20140050063
2014-02-20

Optical disc and optical disc device

#18
20140050061
2014-02-20

Optical disc and optical disc device

#19
20140050060
2014-02-20

Optical disc and optical disc device

#20
20130051204
2013-02-28

Objective lens, optical head apparatus, optical information apparatus and information processing apparatus

#21
20130044576
2013-02-21

Optical recording/reproduction method and optical recording/reproduction device

#22
20120281518
2012-11-08

Optical pickup

#23
20120236702
2012-09-20

METHOD OF CONTROLLING MECHANICAL MECHANISMS OF ELECTRONIC DEVICE FOR PEAK POWER/CURRENT REDUCTION

#24
20120236696
2012-09-20

Focus servo control device, and information recording/reproducing device using the same

#25
20120224464
2012-09-06

SERVO CONTROLLER AND SERVO SYSTEM INCLUDING THE SAME

#26
20120213045
2012-08-23

Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method

#27
20120213044
2012-08-23

Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method

#28
20120163153
2012-06-28

Optical disc apparatus, focus search method, and focus search program

#29
20120163141
2012-06-28

Optical disk device, optical pickup, and optical recording medium

#30
20120127846
2012-05-24

OPTICAL INFORMATION DEVICE AND INTERLAYER MOVEMENT METHOD IN OPTICAL INFORMATION DEVICE

#31
20120113781
2012-05-10

OPTICAL DISK APPARATUS

#32
20120026273
2012-02-02

FOCUSING A LASER ON A LABEL SURFACE OF AN OPTICAL DISC

#33
20120011523
2012-01-12

Optical recording medium, manufacturing method for optical recording medium, information recording/reproducing method and information recording/reproducing device

#34
20120002514
2012-01-05

Information recording and reproducing apparatus, program for controlling same, computer-readable storage medium, method for controlling information recording and reproducing apparatus, and information storage medium

#35
20110314483
2011-12-22

Method of controlling mechanical mechanisms of optical storage apparatus for peak power/current reduction, and related optical storage apparatus and machine-readable medium

#36
20110310719
2011-12-22

Optical information reproducing device, optical information reproducing method and integrated circuit

#37
20110299374
2011-12-08

Multilayer optical disc for easy positioning of a focused beam

#38
20110299370
2011-12-08

Optical disk apparatus

#39
20110292779
2011-12-01

Method for identifying group of multilayer disc, and optical disc device

#40
20110292776
2011-12-01

Optical disc apparatus and optical disc discriminating method

#41
20110261662
2011-10-27

Lens pull-in method for near-field optical accessing system

#42
20110222380
2011-09-15

OPTICAL DISC APPARATUS, OPTICAL DISC, RECORDING METHOD, AND REPRODUCTION METHOD

#43
20110211432
2011-09-01

Optical disc and optical disc apparatus

#44
20110205877
2011-08-25

OPTICAL DISC DRIVE AND METHOD FOR READING DATA FROM OPTICAL DISC

#45
20110205872
2011-08-25

OPTICAL DISC DRIVE AND METHOD OF CONTROLLING THE SAME

#46
20110205871
2011-08-25

Optical disc drive and method of controlling the same

#47
20110199883
2011-08-18

Optical disc apparatus and method for controlling the same

#48
20110194390
2011-08-11

CONTROL METHOD FOR ADJUSTING LASER POWER OF LASER BEAM IRRADIATING MULTI-LAYER OPTICAL STORAGE MEDIUM AND RELATED CONTROLLER THEREOF

#49
20110182160
2011-07-28

Optical disc apparatus, driving method of optical disc apparatus

#50
20110170398
2011-07-14

Optical head device, optical information device, computer, disc player, car navigation system, optical disc recorder, and vehicle

#51
20110170394
2011-07-14

Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method

#52
20110164486
2011-07-07

Optical disc apparatus

#53
20110164485
2011-07-07

APPARATUS AND METHOD FOR CONTROLLING LAYER JUMP IN OPTICAL DISC DRIVE

#54
20110161994
2011-06-30

Optical disc device and control method of optical disc

#55
20110158078
2011-06-30

OPTICAL PICKUP DEVICE AND FOCUS JUMP METHOD

#56
20110158070
2011-06-30

Optical disk drive and method for determining type of a blu-ray disk

#57
20110158065
2011-06-30

Optical Disk Drive and Method for Performing Layer Jumps

#58
20110128839
2011-06-02

Optical disk device

#59
20110128833
2011-06-02

Optical drive device

#60
20110085427
2011-04-14

FOCUS POSITION CONTROL APPARATUS, OPTICAL DISC APPARATUS USING THE SAME, AND FOCUS POSITION CONTROL METHOD

#61
20110080814
2011-04-07

Optical disc apparatus and method of making layer-to-layer jump in multilayer optical disc

#62
20110075535
2011-03-31

Method of accessing optical recording media, optical pickup device, and optical drive using the device

#63
20110075529
2011-03-31

Optical disc apparatus, focus control method and integrated circuit

#64
20110058460
2011-03-10

OPTICAL INFORMATION STORAGE MEDIUM REPRODUCTION APPARATUS AND CONTROL METHOD OF THE SAME

#65
20110044154
2011-02-24

Objective lens and optical pickup comprising the objective lens

#66
20110044144
2011-02-24

Optical disc apparatus switching focus point between layers

#67
20110026388
2011-02-03

METHOD FOR CALIBRATION FOCUSING ERROR SIGNAL OF LIGHTSCRIBE DISC

#68
20100315913
2010-12-16

Method for controlling layer changes for an optical disk drive

#69
20100284258
2010-11-11

Interlayer movement apparatus, and integrated circuit for interlayer movement apparatus

#70
20100265804
2010-10-21

Focus jump method for optical disk device and multi-layer disk

#71
20100260488
2010-10-14

Optical disc device, video reproducing apparatus, server, car navigation system using the optical disc device, integrated circuit and recording/reproducing method

#72
20100260026
2010-10-14

Multilayer optical disc

#73
20100246374
2010-09-30

Optical information storage medium reproduction apparatus and control method of the same

#74
20100246346
2010-09-30

Optical information storage medium reproduction apparatus and control method of the same

#75
20100246345
2010-09-30

OPTICAL INFORMATION STORAGE MEDIUM REPRODUCTION APPARATUS AND CONTROL METHOD OF THE SAME

#76
20100246344
2010-09-30

Optical information storage medium reproduction apparatus and control method of the same

#77
20100232275
2010-09-16

Disk apparatus

#78
20100232269
2010-09-16

OPTICAL INFORMATION STORAGE MEDIUM REPRODUCTION APPARATUS AND CONTROL METHOD OF THE SAME

#79
20100232266
2010-09-16

Recording/reproducing apparatus and adjustment method therefor

#80
20100232264
2010-09-16

Optical information recorder/reproducer, optical information recording/reproducing method and control circuit

#81
20100226239
2010-09-09

MULTILAYER OPTICAL DISC

#82
20100226221
2010-09-09

Apparatus and method for generating radio frequency ripple zero crossing signal

#83
20100220574
2010-09-02

Information recording medium and recording/reproducing method for the same

#84
20100208572
2010-08-19

OPTICAL DISC DEVICE AND HYBRID OPTICAL DISC

#85
20100208566
2010-08-19

METHOD AND APPARATUS FOR PERFORMING LAYER CHANGES FOR AN OPTICAL DISK DRIVE

#86
20100195453
2010-08-05

Optical disc device and focus control method

#87
20100169903
2010-07-01

DRIVE SYSTEM FOR DRIVING A MOVABLE PART AND DISK DRIVE UNIT COMPRISING SUCH DRIVE SYSTEM

#88
20100149937
2010-06-17

Multi-layered optical disk and optical disk device capable of addressing a focus lead-in operation

#89
20100118685
2010-05-13

OPTICAL RECORDING MEDIUM, MANUFACTURING METHOD FOR OPTICAL RECORDING MEDIUM, INFORMATION RECORDING/REPRODUCING METHOD AND INFORMATION RECORDING/REPRODUCING DEVICE

#90
20100118676
2010-05-13

OPTICAL DISC DRIVE WITH DELAYED LAYER JUMP

#91
20100118669
2010-05-13

Optical disk apparatus and focus jump method for multilayer optical disk

#92
20100118667
2010-05-13

Optical disk device

#93
20100118665
2010-05-13

Device and method for recording and/or reproducing data onto/from information recording medium by using near-field light and information recording medium

#94
20100085847
2010-04-08

Optical head device and reading system for multi-layered optical recording medium

#95
20100074079
2010-03-25

Optical disk drive carry out focus pulling-in with improved operation accuracy

#96
20100074066
2010-03-25

SERVO SYSTEM OF OPTICAL DISC AND RELATED SERVO METHOD

#97
20100074065
2010-03-25

Optical disk device

#98
20100067336
2010-03-18

DEVICE AND METHOD FOR REPRODUCING INFORMATION AND COMPUTER PROGRAM

#99
20100061210
2010-03-11

OPTICAL DISC AND RECORDING/REPRODUCING METHOD AND APPARATUS FOR THE OPTICAL DISC

#100
20100053710
2010-03-04

Apparatus for recording/reproducing holographic data and method of adjusting position of recording layer

#101
20100027405
2010-02-04

Optical pickup apparatus, focal-point adjusting method, and optical disc apparatus

#102
20100027403
2010-02-04

Optical disc apparatus and signal generation method

#103
20100027386
2010-02-04

Optical pickup apparatus, focal-point adjusting method, and optical disc apparatus

#104
20100014398
2010-01-21

Recording medium, method of recording identification information thereof, and recording/reproducing method thereof

#105
20100014397
2010-01-21

Optical disc driving device

#106
20100002553
2010-01-07

Driving device and method, program, and recording medium

#107
20090316555
2009-12-24

Multilayer optical disk, multilayer optical disk recording apparatus and multilayer optical disk reproducing apparatus

#108
20090310467
2009-12-17

Optical information apparatus with gap control system

#109
20090310466
2009-12-17

OBJECTIVE LENS DRIVING DEVICE AND DRIVING METHOD FOR THE SAME

#110
20090303857
2009-12-10

Optical pickup device

#111
20090303847
2009-12-10

Optical disc apparatus therefor

#112
20090290479
2009-11-26

Optical disc apparatus, method of controlling the same, and information storage medium

#113
20090290465
2009-11-26

GAP PULL-IN METHOD FOR NEAR-FIELD OPTICAL DISK DRIVER AND OPTICAL DISK DRIVING APPARATUS USING THE METHOD

#114
20090274032
2009-11-05

Optical disc device

#115
20090268574
2009-10-29

OPTICAL DISC DRIVE AND METHOD OF CONTROLLING THE SAME

#116
20090252003
2009-10-08

OPTICAL RECORDING/REPRODUCING APPARATUS AND FOCUS SEARCH METHOD

#117
20090245075
2009-10-01

Optical head device, optical information device, computer, disc player, car navigation system, optical disc recorder, and vehicle

#118
20090245065
2009-10-01

Optical disc device and focus control method

#119
20090185462
2009-07-23

Focus Controller and Focus Control Method

#120
20090185306
2009-07-23

Gap servo control method and apparatus in near-field optical disc drive

#121
20090180371
2009-07-16

OPTICAL STORAGE INTERFACE APPARATUS, METHOD OF CONTROLLING AN OPTICAL STORAGE INTERFACE

#122
20090175146
2009-07-09

Data Recording/Reproducing Method and Apparatus

#123
20090175138
2009-07-09

Servo controlling apparatus and method of holographic information recording/reproducing system

#124
20090161501
2009-06-25

FOCUS CONTROL METHOD AND OPTICAL DISC APPARATUS

#125
20090153927
2009-06-18

Holographic data storage medium and apparatus and method for recording/reproducing holographic data to/from the same

#126
20090147643
2009-06-11

Multi-layer data storage medium having eccentric recording layers and recording layer identification method based on eccentricity

#127
20090122688
2009-05-14

Optical disk apparatus

#128
20090122686
2009-05-14

Method of focus capture in an optical drive

#129
20090122664
2009-05-14

Optical disc apparatus and spherical aberration correcting method

#130
20090116346
2009-05-07

OPTICAL RECORDING/PLAYBACK DEVICE AND MEDIUM DIFFERENTIATION METHOD

#131
20090097366
2009-04-16

OPTICAL DISC APPARATUS AND LENS SHIFT CORRECTION METHOD OF OPTICAL DISC APPARATUS

#132
20090092020
2009-04-09

Focus servo controlling method and apparatus and optical disk drive using the focus servo controlling method

#133
20090086592
2009-04-02

Optical disc apparatus switching focus point between layers

#134
20090073824
2009-03-19

Optical disc drive

#135
20090067299
2009-03-12

Focus controlling method and optical disk drive using the focus controlling method

#136
20090059753
2009-03-05

Optical disk apparatus and method of driving the same

#137
20090059752
2009-03-05

Optical disc apparatus and method of driving the same

#138
20090040894
2009-02-12

Optical head and data processing apparatus including the same

#139
20090034378
2009-02-05

Method for Data Access and Optical Data Accessing Apparatus Therefor

#140
20090028028
2009-01-29

Apparatus for recording/reproducing information on/from an optical disc having focus control capabilities

#141
20090022035
2009-01-22

SPHERICAL ABERRATION CORRECTION CONTROL

#142
20090016179
2009-01-15

NEAR-FIELD OPTICAL DISK APPARATUS AND FOCUS PULL-IN METHOD

#143
20090010130
2009-01-08

OPTICAL DISK DRIVE AND METHOD OF CONTROLLING THE SAME

#144
20090010114
2009-01-08

Optical data access apparatus and method thereof

#145
20090003183
2009-01-01

Optical pickup, optical information recording device, optical information recording method, optical information reproduction device, optical information reproduction method and optical information recording medium

#146
20090003177
2009-01-01

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

#147
20090003176
2009-01-01

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

#148
20080310266
2008-12-18

Recording device

#149
20080304395
2008-12-11

Air Gap Servo For Optical Recording

#150
20080298212
2008-12-04

Optical disc drive and focus position control method

#151
20080298204
2008-12-04

Optical disc drive apparatus

#152
20080267036
2008-10-30

Air Gap Servo for Optical Recording

#153
20080259776
2008-10-23

Optical disc recording and reproducing apparatus

#154
20080259772
2008-10-23

Optical disc reproducing apparatus

#155
20080253267
2008-10-16

Optical head device and optical disk apparatus

#156
20080239919
2008-10-02

DISC MEDIUM AND DISC DEVICE USING THE SAME

#157
20080232217
2008-09-25

METHOD AND OPTICAL DISC DRIVE FOR ACCESSING DATA ON OPTICAL STORAGE MEDIUM

#158
20080232216
2008-09-25

Focus Control Scheme with Jumping Focal Point

#159
20080205234
2008-08-28

Method and Apparatus for Recording on a Multi-Layer Disc

#160
20080205233
2008-08-28

Predicting Dvd Recordable Recording Parameters in Dual Layer Discs

#161
20080181062
2008-07-31

METHOD AND APPARATUS FOR CONTROLLING FOCUS OF AN OPTICAL INFORMATION STORAGE MEDIUM

#162
20080175123
2008-07-24

Method For Reproducing Information From a Plural Layer Optical Information Carrier

#163
20080151730
2008-06-26

Optical recording and reading method, optical recording and reading apparatus, and optical recording medium

#164
20080151711
2008-06-26

Optical disc apparatus, optical information equipment with the optical disc apparatus, and focusing control LSI in the optical disc apparatus

#165
20080151701
2008-06-26

METHOD AND APPARATUS FOR IDENTIFYING OPTICAL INFORMATION STORAGE MEDIUM

#166
20080144482
2008-06-19

OPTICAL RECORDING MEDIUM WITH DIFFERENT WOBBLE CHARACTERISTICS BETWEEN THE USER DATA AREA AND THE LEAD-OUT AREA

#167
20080144481
2008-06-19

OPTICAL RECORDING MEDIUM WITH DIFFERENT WOBBLE CHARACTERISTICS BETWEEN THE USER DATA AREA AND THE LEAD-OUT AREA

#168
20080144480
2008-06-19

Optical recording medium with different wobble characteristics between the user data area and the lead-out area

#169
20080144474
2008-06-19

Optical information recording and reproducing apparatus that sets a movable range of an objective lens based on the type of recording medium

#170
20080144455
2008-06-19

Performing error-free access operation on multi-layered disc

#171
20080137499
2008-06-12

Optical disk apparatus and focusing method

#172
20080137493
2008-06-12

Optical recording medium driving apparatus and focusing method

#173
20080117735
2008-05-22

Optical disk device

#174
20080112280
2008-05-15

Device for layer-jumping control of optical disc devices and related method

#175
20080106988
2008-05-08

Optical disc playback apparatus

#176
20080094953
2008-04-24

FOCUS PULL-IN METHOD AND OPTICAL DISC DRIVE THEREOF

#177
20080094952
2008-04-24

Layer jump on a multi-layer disc

#178
20080089208
2008-04-17

Near Field Lens-To-Carrier Approach

#179
20080089193
2008-04-17

APPARATUS AND METHOD FOR CONTROLLING FOCUS JUMP BETWEEN RECORDING LAYERS IN HIGH-DENSITY MULTI-LAYER DISK

#180
20080080329
2008-04-03

Optical disk apparatus and data read-out control method

#181
20080074977
2008-03-27

Optical Disc Apparatus

#182
20080056094
2008-03-06

Information reproducing/recording device

#183
20080049570
2008-02-28

MINIMUM DEFLECTION ACCELERATION POINT DETECTION, FOCUS PULL-IN, AND LAYER JUMP METHODS, AND OPTIONAL DISC DRIVE CAPABLE OF PERFORMING THE METHODS

#184
20080043584
2008-02-21

Information recording device and method, and recording control computer program

#185
20080037381
2008-02-14

Focus servo apparatus

#186
20080025186
2008-01-31

Optical disk unit, control method for optical disk unit, and computer readable storage medium

#187
20080025165
2008-01-31

OPTICAL DISC DRIVE AND CONTROL METHOD THEREOF

#188
20080025161
2008-01-31

Optical disc drive and control method thereof

#189
20080019235
2008-01-24

Method for setting layer-jump point on optical disc

#190
20080019224
2008-01-24

Focusing Method and Optical Disk Device

#191
20070288949
2007-12-13

Reproducing method, optical disk apparatus, program and computer readable information recording medium

#192
20070286037
2007-12-13

Optical pickup device

#193
20070286033
2007-12-13

Servo control apparatus, servo control method, optical disc apparatus and video camera recorder

#194
20070274173
2007-11-29

Laser focus controlling method on an optical disk and an optical disk apparatus with using thereof

#195
20070263503
2007-11-15

Information reproducing apparatus and method for measuring surface deflection

#196
20070258350
2007-11-08

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

#197
20070258344
2007-11-08

Simultaneously accessing multiple layers of optical disks

#198
20070258337
2007-11-08

Optical disc apparatus

#199
20070247981
2007-10-25

Layer jump control device and method of high-speed optical drive

#200
20070237058
2007-10-11

Recording and reproducing apparatus, recording and reproducing method, and method of determining type of recording medium

#201
20070230308
2007-10-04

Multilayer information recording medium, information recorder, and information reproducer

#202
20070226759
2007-09-27

Optical element feeding device and optical pickup unit using the same

#203
20070223338
2007-09-27

Optical disk drive capable of detecting anomalies in optical pick-up transfer mechanism

#204
20070217300
2007-09-20

Optical information recording/reproducing apparatus

#205
20070206468
2007-09-06

Optical disk recording/reproducing device and disk determination method for optical disk recording/reproduction device

#206
20070206459
2007-09-06

Optical disc apparatus

#207
20070201337
2007-08-30

Apparatus and method for playing optical disc

#208
20070201332
2007-08-30

Eccentricity Detecting Apparatus And Method

#209
20070201326
2007-08-30

Method for determining focusing error gain for accessing to optical disc

#210
20070189141
2007-08-16

Optical disk device, and focused layer discriminating method of optical disk

#211
20070189131
2007-08-16

Optical disc device

#212
20070183278
2007-08-09

OPTICAL DISC DRIVE, METHOD OF MOVING BEAM SPOT AND COMPUTER-EXECUTABLE PROGRAM IMPLEMENTABLE BY THE OPTICAL DISC DRIVE

#213
20070177469
2007-08-02

Optical disk drive

#214
20070171784
2007-07-26

Focus layer jump control circuits and methods of controlling focus layer jumps used by the same

#215
20070171781
2007-07-26

Optical disk apparatus, focus control method and optical disk

#216
20070159950
2007-07-12

Optical disc apparatus switching focus point between layers

#217
20070128402
2007-06-07

Information recording medium

#218
20070127331
2007-06-07

Layer jump control apparatus and method

#219
20070121471
2007-05-31

Information reproducing apparatus

#220
20070082562
2007-04-12

Multi-beam optical scanning device

#221
20070076543
2007-04-05

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

#222
20070070838
2007-03-29

Optical disk recording and reproducing apparatus for recording and reproducing data in and from optical disk

#223
20070053256
2007-03-08

Method and device for adjusting an amplification for producing a focus error signal

#224
20070041307
2007-02-22

Optical recording medium with different wobble characteristics between the user data area and the lead-out area

#225
20070041297
2007-02-22

Method, system, playback device and recorder for duplicating multi layer record carriers

#226
20070041289
2007-02-22

Optical disc apparatus

#227
20070041283
2007-02-22

Optical recording medium, information recording apparatus, and information reproducing apparatus

#228
20070040093
2007-02-22

Control unit and optical disk drive including the control unit

#229
20070025220
2007-02-01

Optical disk drive and method for driving the optical disk drive in relation to a velocity switching point

#230
20070025208
2007-02-01

Lens position control method, lens position control apparatus, cutting method, and cutting apparatus

#231
20070008849
2007-01-11

Information recording/reproducing apparatus having control circuit of spindle motor

#232
20060291359
2006-12-28

Optical disc device and hybrid optical disc

#233
20060291358
2006-12-28

Optical disk medium recording and reproducing apparatus and method for discriminating optical disk medium type

#234
20060285463
2006-12-21

LENS POSITIONING METHOD, CUTTING METHOD, POSITIONING METHOD, AND CUTTING APPARATUS

#235
20060285452
2006-12-21

OPTICAL DISK APPARATUS

#236
20060285449
2006-12-21

Optical disk drive and method of controlling the same

#237
20060280104
2006-12-14

Demodulation of a focusing error signal during a focus search for a lens focusing control in an optical disc system

#238
20060280082
2006-12-14

Disk discriminating method and optical disk apparatus

#239
20060280063
2006-12-14

Optical disk drive using near-field light, optical disk apparatus, and method for driving the apparatus

#240
20060274627
2006-12-07

Optical disc device

#241
20060271942
2006-11-30

Optical disc medium and optical disc device

#242
20060262676
2006-11-23

Optical disc apparatus and method of shifting layers in multi-layer optical disc

#243
20060262674
2006-11-23

Focusing servo device, optical disc recording/reproducing device and focus-searching method

#244
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Optical disk device and method for performing focus draw-in operation thereon

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Optical pickup apparatus and controlling method thereof

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Optical disk control device with focal point movement control

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Focusing control method for reading/writing optical disc

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Optical pickup for an optical recording and/or reproducing apparatus including an actuator forming a predetermined angel with respect to the pickup base

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Optical recording medium with different wobble characteristics between the user data area and the lead-out area

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Optical pickup driving apparatus and optical pickup beam spot positioning method

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Optical recording medium with different wobble characteristics between the user data area and the lead-out area

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Information recording and reproducing apparatus and method for controlling positions of optical pickup device and objective lens used for the apparatus

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Optical pickup for optical disk drive and driving method thereof

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Optical disk device and information recording/reproducing method

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Disc drive apparatus, and method for recognizing cd and dvd

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2006-08-10

Method for seeking target position on multi-layer disc

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2006-08-03

DVD recording and reproducing system

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Optical disk device and information recording/reproducing method

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Optical disk device and information recording/reproducing method

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Focus calibration in an optical drive

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Optical information recording medium manfacturing method therefor, manufacturing apparatus therefor, and optical information recording and reproducing apparatus

#262
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Optical disk apparatus, focal position control method and focal position control apparatus

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Method for driving an actuator, actuator drive, and apparatus comprising an actuator

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Optical disk device and data recording device therefor

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Methods and apparatuses of half-wave layer jump control for optical disk drive

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Tight focusing method and system

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Focus control device and method of adjusting focus gain prior to focus-servo operation

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Method and apparatus for controlling layer jumping of pickup head of optical disk drive

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2006-01-19

Method of controlling focus of optical disk recording and reproducing device

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Optical disk apparatus

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Information recording apparatus and information recording medium

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Method for locating focus point on reflecting layer of optical disc

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Optical disk device and optical disk processing method

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Intelligent layer jump method

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Focus servo device

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Apparatus and method for focus pull-in

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Electroluminescent multilayer optical information storage medium with integrated readout and composition of matter for use therein

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Apparatus and method for layer jump braking control in an optical drive

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Optical disc recording and/or reproducing apparatus and aberration adjustment method

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Reproduction apparatus and focus jump method

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Optical disc recording and/or reproducing apparatus and aberration adjustment method

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Optical disc recording and/or reproducing apparatus and aberration adjustment method

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Optical disc apparatus

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Optical disk with multilayered structure and method for identifying recording layer of the optical disk

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Optical disk apparatus and a focus-jumping control method thereof

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Optical disk drive capable of adjusting control information to recording layer

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2005-09-15

Method of inter-layer search in a disk drive

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High-speed focus pull-in controllers for adaptively responding to disk surface vibration of an optical disk device and focus control methods thereof

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Optical information recording medium and optical information recording and reproducing apparatus

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Optical storage system and control method

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Optical recording medium processing device and focal point control method thereof

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Optical recording medium with different wobble characteristics between the user data area and the lead-out area

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2005-06-02

Optical pick-up

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2005-05-19

Optical information reproduction method and apparatus

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2005-05-05

Multilayer optical recording medium having plurality of reflecting units formed on parts recording layers

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2005-04-28

Optical disc apparatus switching focus point between layers

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2005-04-28

Focus point switching

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2005-04-28

Optical disc apparatus switching focus point between layers

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2005-04-28

Electroluminescent multilayer optical information storage medium with integrated readout and composition of matter for use therein

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2005-03-31

Focus pull-in apparatus and method thereof