ClassID:

198121

G11B7/1376 - 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; Heads, e.g. forming of the optical beam spot or modulation of the optical beam; Means for guiding the beam from the source to the record carrier or from the record carrier to the detector; Lenses Collimator lenses

Recent Application in this class:
#1
20230047873
2023-02-16

OPTICAL SYSTEM FOR HOLOGRAPHIC STORAGE AND DESIGN METHOD FOR FRESNEL LENS AND META LENS THEREOF

#2
20210327466
2021-10-21

OPTICAL DISK, METHOD OF MANUFACTURING SAME, OPTICAL INFORMATION DEVICE, AND INFORMATION PROCESSING METHOD

#3
20140355404
2014-12-04

Optical medium reproducing apparatus and optical medium reproducing method

#4
20140254345
2014-09-11

Objective lens, optical head, optical disk device, and information processing device

#5
20140245333
2014-08-28

APPARATUS AND METHOD FOR FOCUSING A LASER BEAM ON AN OPTICAL DISC

#6
20140126341
2014-05-08

Lens driving device and optical pickup

#7
20140016449
2014-01-16

Lens driving device and optical disc apparatus

#8
20130286808
2013-10-31

Optical disc device, optical disc and testing method of optical disc

#9
20130170042
2013-07-04

Objective lens element

#10
20130039161
2013-02-14

Optical element retaining device, optical element transfer device and optical pickup device

#11
20130021890
2013-01-24

Collimator for optical pick-up units

#12
20130010583
2013-01-10

OPTICAL PICK UP, OPTICAL DRIVE DEVICE, AND LIGHT IRRADIATION METHOD

#13
20120307611
2012-12-06

Optical disc apparatus

#14
20120281518
2012-11-08

Optical pickup

#15
20120260273
2012-10-11

Optical pickup

#16
20120236696
2012-09-20

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

#17
20120224462
2012-09-06

Pickup head, information recording method and reproducing method

#18
20120218878
2012-08-30

Objective lens, optical pickup apparatus, and optical information recording reproducing apparatus

#19
20120170439
2012-07-05

Objective lens element

#20
20120163155
2012-06-28

Optical system for optical pickup

#21
20120082021
2012-04-05

Optical pickup device that forms an oval spot on a disc having a small angle with respect to a radial axis

#22
20120069724
2012-03-22

Optical pickup apparatus

#23
20120026859
2012-02-02

Optical pickup apparatus with astigmatism correcting collimating lens

#24
20120023514
2012-01-26

Compound objective lens, optical head device, optical information device, and information processing device

#25
20120008485
2012-01-12

Objective lens, optical pickup apparatus, and optical information recording reproducing apparatus

#26
20110317537
2011-12-29

Multilayer coaxial holographic storage system

#27
20110299378
2011-12-08

Optical pickup having radially arranged lenses in a low profile construction

#28
20110292782
2011-12-01

Optical pickup apparatus

#29
20110265105
2011-10-27

Optical collimator assembly and optical pickup device including the same

#30
20110242951
2011-10-06

Optical pickup, optical drive apparatus, and light illumination method

#31
20110211438
2011-09-01

COLLIMATING LENS UNIT AND OPTICAL PICKUP DEVICE USING THE SAME

#32
20110188367
2011-08-04

OPTICAL PICKUP DEVICE

#33
20110122514
2011-05-26

Lens fixing device and optical pickup device

#34
20110110217
2011-05-12

Objective lens, optical pickup and optical disc apparatus

#35
20110110216
2011-05-12

Optical element, aberration correcting element, light converging element, objective optical system, optical pickup device, and optical information recording reproducing device

#36
20110110213
2011-05-12

OPTICAL COMPONENT LASER-WELDED STRUCTURE AND OPTICAL PICKUP MANUFACTURING METHOD

#37
20110075542
2011-03-31

Optical information recording/reproducing optical system and optical information recording/reproducing apparatus

#38
20110075541
2011-03-31

Optical information recording/reproducing optical system and optical information recording/reproducing apparatus

#39
20110063967
2011-03-17

OPTICAL PICKUP DEVICE AND OPTICAL DISC APPARATUS USING THE SAME

#40
20110044155
2011-02-24

Optical pickup device

#41
20100315933
2010-12-16

OPTICAL PICKUP DEVICE AND TEMPERATURE CHARACTERISTICS CORRECTION METHOD FOR OBJECT LENS

#42
20100284261
2010-11-11

Objective lens, optical pickup apparatus, and optical information recording reproducing apparatus

#43
20100284259
2010-11-11

Objective lens, optical pickup apparatus, and optical information recording reproducing apparatus

#44
20100254236
2010-10-07

Optical head device, and recording and/or reproducing device

#45
20100226235
2010-09-09

Optical pickup device

#46
20100214904
2010-08-26

Optical pickup having radially arranged lenses in a low profile construction

#47
20100188960
2010-07-29

Objective lens, optical pickup and optical disk apparatus

#48
20100172228
2010-07-08

VOLUMINAL INFORMATION RECORDING MEDIUM, INFORMATION RECORDING APPARATUS, INFORMATION REPRODUCING APPARATUS , AND OPTICAL PICKUP

#49
20100169903
2010-07-01

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

#50
20100165820
2010-07-01

OPTICAL PICKUP APPARATUS AND METHOD OF CONTROLLING THE SAME

#51
20100143637
2010-06-10

Optical recording medium, and method for producing optical recording medium

#52
20100142357
2010-06-10

OBJECTIVE LENS SYSTEM AND OPTICAL PICKUP DEVICE

#53
20100091636
2010-04-15

Optical head, and information recording-and-regeneration apparatus

#54
20100002562
2010-01-07

Optical pickup and optical disc apparatus using the same

#55
20100002560
2010-01-07

Coupling lens, optical head and optical disc device

#56
20090316560
2009-12-24

Optical pickup and information equipment

#57
20090296543
2009-12-03

Drive control apparatus, drive control method and optical pickup apparatus

#58
20090290474
2009-11-26

Optical pickup apparatus and objective optical element

#59
20090284852
2009-11-19

Lens drive mechanism and optical pickup having same

#60
20090279410
2009-11-12

Method and apparatus for controlling spherical aberration correction for an optical disk drive

#61
20090245073
2009-10-01

OPTICAL PICKUP APPARATUS

#62
20090238061
2009-09-24

OPTICAL PICKUP APPARATUS AND OPTICAL INFORMATION RECORDING REPRODUCING APPARATUS

#63
20090231984
2009-09-17

Optical pickup apparatus

#64
20090231965
2009-09-17

Method for setting spherical aberration correction and device using the method

#65
20090190450
2009-07-30

Optical element, aberration correcting element, light converging element, objective optical system, optical pickup device, and optical information recording reproducing device

#66
20090135508
2009-05-28

Lens driving device, optical pick up device and adjusting method

#67
20090122664
2009-05-14

Optical disc apparatus and spherical aberration correcting method

#68
20090116364
2009-05-07

Optical pickup device

#69
20090109536
2009-04-30

PLASTIC OPTICAL ELEMENT WITH GAS BARRIER FILM, ITS MANUFACTURING METHOD AND OPTICAL PICKUP DEVICE EMPLOYING THE ELEMENT

#70
20090097383
2009-04-16

OPTICAL PICKUP APPARATUS

#71
20090086612
2009-04-02

OPTICAL PICKUP HEAD AND OPTICAL RECORDING AND REPLAYING DEVICE

#72
20090086330
2009-04-02

Optical pickup, optical disc drive device, and optical information device

#73
20090070794
2009-03-12

Optical disc apparatus which includes an optical pickup apparatus that includes an optical member driving apparatus

#74
20090059770
2009-03-05

Optical pickup apparatus

#75
20090059767
2009-03-05

Optical Pick-Up Apparatus and Information Record and Reproduction Apparatus

#76
20090059745
2009-03-05

OPTICAL PICKUP DEVICE AND INFORMATION RECORDING/PLAYBACK APPARATUS

#77
20090052305
2009-02-26

Optical pick-up

#78
20090010137
2009-01-08

Optical disc drive and optical information system

#79
20090010122
2009-01-08

Aberration Detector and Optical Pickup With Same

#80
20090010113
2009-01-08

Optical pickup and optical pickup aberration correcting method

#81
20090002692
2009-01-01

Method of Measuring the Laser Power of a Forward Multiple Laser Beam in a Multibeam Optical Scanning System

#82
20080316903
2008-12-25

Optical pickup apparatus

#83
20080298404
2008-12-04

Radiation Beam Source Device

#84
20080291803
2008-11-27

Optical pickup device

#85
20080285424
2008-11-20

Optical pickup apparatus

#86
20080279081
2008-11-13

Optical Device for Recording and Reproducing

#87
20080267044
2008-10-30

Optical pickup device and optical disc apparatus

#88
20080267039
2008-10-30

Holographic recording apparatus, holographic reproducing apparatus and holographic recording and reproducing apparatus

#89
20080232204
2008-09-25

Optical disk apparatus and optical pickup device

#90
20080219127
2008-09-11

METHOD OF REPRODUCING INFORMATION FROM OPTICAL DISC AND OPTICAL DISC REPRODUCING APPARATUS USING THE SAME

#91
20080205235
2008-08-28

Optical-pickup-adjustment optical disk, method of adjusting optical pickup device, and method of producing optical pickup device

#92
20080198730
2008-08-21

Optical head and apparatus for optically recording and reproducing information

#93
20080198465
2008-08-21

Optical pickup device and optical disk device

#94
20080186836
2008-08-07

Optical pickup and optical disc drive

#95
20080181088
2008-07-31

Optical disc apparatus capable of performing recording and/or reproducing of information with reducing aberration

#96
20080175129
2008-07-24

Optical pickup, optical disc apparatus, integrated coupling lens, integrated prism, and optical information equipment

#97
20080170487
2008-07-17

Optical element, aberration correcting element, light converging element, objective optical system, optical pickup device, and optical information recording reproducing device

#98
20080117789
2008-05-22

OPTICAL PICKUP DEVICE

#99
20080112279
2008-05-15

Lens drive apparatus

#100
20080100905
2008-05-01

Electrowetting device and varifocal lens, optical pickup device, optical recording/reproduction device, droplet operation device, optical element, zoom lens, imaging device, light modulating device, and display device using the same

#101
20080095017
2008-04-24

Optical pickup having radially arranged lenses in a low profile construction

#102
20080094999
2008-04-24

HOLOGRAPHIC REPRODUCING APPARATUS

#103
20080084809
2008-04-10

Optical head device, aberration correction method and optical information processing apparatus

#104
20080080337
2008-04-03

Optical pickup device

#105
20080074982
2008-03-27

Optical head device and optical information apparatus using this optical head device, and computer, optical disk player, car navigation system, optical disk recorder and optical disk server using this optical information apparatus

#106
20080074981
2008-03-27

Optical pickup system, optical system, and optical information recording medium

#107
20080062848
2008-03-13

Optical pickup device and optical disk apparatus using the same

#108
20080055734
2008-03-06

Optical pickup and optical disc device

#109
20080049587
2008-02-28

Complex optical element and optical pickup

#110
20080049585
2008-02-28

Optical pickup apparatus

#111
20080049580
2008-02-28

Optical pickup device

#112
20080040737
2008-02-14

Reading/Writing Optical Device Having Temperature Compensation

#113
20080037399
2008-02-14

Optical disk apparatus compatible with different types of mediums adapted for different wavelengths

#114
20070291619
2007-12-20

Optical pickup and objective lens used therein

#115
20070286037
2007-12-13

Optical pickup device

#116
20070279480
2007-12-06

OPTICAL DISK APPARATUS

#117
20070274366
2007-11-29

Optical unit, optical pickup apparatus and optical information-processing apparatus

#118
20070268806
2007-11-22

Optical head and optical information recorder/reproducer

#119
20070267989
2007-11-22

Apparatus, optical disc drive, and method of controlling the optical disc drive

#120
20070230312
2007-10-04

Optical pickup apparatus

#121
20070223329
2007-09-27

Apparatus And Method For Generating A Scanning Beam In An Optical Pickup Head, Miniature Optical Pickup Head And Optical Storage System Incorporating A Miniature Pickup Head

#122
20070217300
2007-09-20

Optical information recording/reproducing apparatus

#123
20070201341
2007-08-30

Optical Device For Recording And Reproducing

#124
20070201334
2007-08-30

Optical pickup control apparatus and method

#125
20070165510
2007-07-19

Optical disc apparatus, optical pickup apparatus, and method for reducing astigmatism

#126
20070153645
2007-07-05

Optical pickup, optical disc device and method for manufacturing optical pickup

#127
20070139785
2007-06-21

Variable lens

#128
20070109948
2007-05-17

Optical head apparatus and optical information recording and reproduction apparatus

#129
20070109945
2007-05-17

Optical pickup

#130
20070109923
2007-05-17

Optical head having a position detection portion and optical disk device utilizing the optical head

#131
20070109669
2007-05-17

Optical head apparatus and optical information recording and reproduction apparatus

#132
20070091770
2007-04-26

Optical system for collimating elliptical light beam and optical device using the same

#133
20070086310
2007-04-19

Optical head device and optical information apparatus using this optical head device, and computer, optical disk player, car navigation system, optical disk recorder and optical disk server using this optical information apparatus

#134
20070053275
2007-03-08

Optical system for collimating elliptical light beam and optical device using the same

#135
20070050803
2007-03-01

Optical head and optical disc device provided therewith

#136
20070047401
2007-03-01

Optical system for collimating elliptical light beam and optical device using the same

#137
20070035793
2007-02-15

Optical scanning device

#138
20070019518
2007-01-25

Optical pickup apparatus and optical information recording and/or reproducing apparatus

#139
20070014210
2007-01-18

Optical pickup apparatus equipped with a lens angle adjusting member and a semiconductor laser element

#140
20060285473
2006-12-21

Optical pickup unit

#141
20060274425
2006-12-07

Variable shape lens

#142
20060227335
2006-10-12

Light wavefront measuring instrument, light wavefront measuring method, and light source adjusting method

#143
20060221799
2006-10-05

Optical disk apparatus compatible with different types of mediums adapted for different wavelengths

#144
20060221454
2006-10-05

Collimator lens for optical pickup

#145
20060215530
2006-09-28

Optical system for collimating elliptical light beam and optical device using the same

#146
20060209293
2006-09-21

Optical system for collimating elliptical light beam and optical device using the same

#147
20060198279
2006-09-07

Optical pickup apparatus

#148
20060193215
2006-08-31

Optical head and optical disk device

#149
20060187773
2006-08-24

Information recording or reproducing device and recording or reproducing method

#150
20060176790
2006-08-10

Optical disk writing and reading apparatus, and method thereof

#151
20060171275
2006-08-03

Information recording/reproduction apparatus

#152
20060164953
2006-07-27

Optical pickup which is compatible with multiple types of media

#153
20060164735
2006-07-27

Optical pickup lens device and information recording and reproducing device using the same

#154
20060164734
2006-07-27

Optical pickup lens device and information recording and reproducing device using the same

#155
20060164708
2006-07-27

Optical pick-up device

#156
20060163459
2006-07-27

Optical pickup apparatus which is compatible with multiple types of media

#157
20060143637
2006-06-29

Optical disk device and optical component used therein

#158
20060140074
2006-06-29

Optical information recording apparatus and method

#159
20060120233
2006-06-08

Optical head device and method for correcting spherical aberration

#160
20060114580
2006-06-01

Beam shaping optical device, optical head, and optical information medium drive unit

#161
20060109771
2006-05-25

Optical pickup device

#162
20060104180
2006-05-18

Optical head, and information recording-and-regeneration apparatus

#163
20060103907
2006-05-18

Beam-shaping optical element and method and program for designing the same

#164
20060092523
2006-05-04

Collimator optical system and optical information storage device

#165
20060087711
2006-04-27

Optical scanning device

#166
20060077855
2006-04-13

Optical pickup head compatible with multiple optical recording media

#167
20060077795
2006-04-13

Objective optical system for optical recording media and optical pickup device using it

#168
20060077793
2006-04-13

Optical pickup apparatus and objective optical element

#169
20060077792
2006-04-13

Objective optical element and optical pickup apparatus

#170
20060072419
2006-04-06

Optical scanning device

#171
20060062101
2006-03-23

Optical pickup device

#172
20060050413
2006-03-09

Optical pickup and optical disc device

#173
20060039266
2006-02-23

Objective lens, light converging optical system, optical pickup apparatus, and recording/reproducing apparatus

#174
20060028935
2006-02-09

Optical pickup device, optical disk apparatus, and light-receiving unit

#175
20060028931
2006-02-09

Optical head device

#176
20060013109
2006-01-19

Optical pickup apparatus

#177
20060002277
2006-01-05

Optical disc apparatus

#178
20050280907
2005-12-22

Optical pickup lens device and information recording and reproducing device using the same

#179
20050270925
2005-12-08

Optical pickup for three different types of optical discs and recording and/or reproducing apparatus using same

#180
20050270672
2005-12-08

Switchable optical element

#181
20050259554
2005-11-24

Objective optical system and optical pickup device using it

#182
20050254394
2005-11-17

Optical pickup apparatus including collimator lens with first lens group having negative power and being fixed and second lens group having positive power and being movable

#183
20050243688
2005-11-03

Optical scanning device

#184
20050243674
2005-11-03

Optical pickup, optical information processing apparatus and optical information processing method

#185
20050226121
2005-10-13

Optical system for optical pickup device, coupling lens and optical information recording/reproducing apparatus

#186
20050224693
2005-10-13

Objective lens and optical pickup apparatus

#187
20050213473
2005-09-29

Optical element and optical pickup device having the same

#188
20050213472
2005-09-29

Optical element and optical pickup device having the same

#189
20050201248
2005-09-15

Optical pickup apparatus and an optical disc drive apparatus equipped with such an optical pickup

#190
20050180022
2005-08-18

Collimator optical system and optical information storage device

#191
20050179804
2005-08-18

Optical recording/reproducing apparatus

#192
20050152258
2005-07-14

Optical head device and optical information device using this and computer optical disk player car navigation system optical disk recorder and optical disk server using this optical information device

#193
20050122857
2005-06-09

Optical pickup

#194
20050122597
2005-06-09

Optical head apparatus and optical information recording and reproduction apparatus

#195
20050111312
2005-05-26

Optical pickup apparatus capable of compensating thickness deviation of optical recording media

#196
20050105446
2005-05-19

Optical pickup apparatus

#197
20050094537
2005-05-05

Optical pick-up apparatus and divergent angle-converting element

#198
20050094505
2005-05-05

Optical pickup apparatus, optical disk apparatus and optical pickup adjustment method

#199
20050083799
2005-04-21

Optical information recording apparatus, optical information reproducing apparatus, and optical information recording/reproducing apparatus

#200
20050083791
2005-04-21

Optical head device, and optical recording/reproducing device

#201
20050063260
2005-03-24

Aberration adjustment device, method thereof, optical pickup, and optical information recording apparatus

#202
20050041560
2005-02-24

Objective lens for optical recording media and optical pickup device using it

#203
20050030879
2005-02-10

Optical head apparatus

#204
20050030876
2005-02-10

Optical information recording apparatus and optical information reproducing apparatus using holography

#205
20050007931
2005-01-13

Optical pickup device

#206
20050002289
2005-01-06

Optical pickup moving unit, optical disk apparatus, and method of manufacturing optical disk apparatus