ClassID:

198104

G11B7/128 - 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; Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces Modulators

Recent Application in this class:
#1
20230097007
2023-03-30

Data reading and writing apparatuses and data reading and writing methods

#2
20230047873
2023-02-16

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

#3
20210257000
2021-08-19

Information recording device, information playback device, information recording medium and method for multi-values recording optical disc

#4
20210225399
2021-07-22

Holographic storage device and method for simultaneously recording and reading on two sides

#5
20190139570
2019-05-09

Optical storage system divider based draw verification with high frequency writing strategy pattern

#6
20180252781
2018-09-06

METHOD FOR ULTRA-DENSE DATA STORAGE VIA OPTICALLY-CONTROLLABLE PARAMAGNETIC CENTERS

#7
20180144770
2018-05-24

Optical storage system divider based DRAW verification with high frequency writing strategy pattern

#8
20170263281
2017-09-14

Holographic characterization and playback apparatus

#9
20170025143
2017-01-26

Method and system for optical data storage

#10
20160365107
2016-12-15

Information recording device and information recording method

#11
20150302926
2015-10-22

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

#12
20150294681
2015-10-15

Optical information recording device, optical information recording and reproducing device, optical information recording method, optical information recording and reproducing method, and optical element

#13
20150085633
2015-03-26

Optical information recording apparatus and optical information recording method

#14
20140241140
2014-08-28

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

#15
20140099052
2014-04-10

Light modulator, optical pickup, and light modulation module

#16
20130343171
2013-12-26

Optical information recording/reproducing apparatus and method

#17
20130245234
2013-09-19

Vmp-like sequences of pathogenic

#18
20130021891
2013-01-24

OPTICAL OSCILLATION DEVICE AND RECORDING APPARATUS

#19
20120250121
2012-10-04

PHASE ADDRESSED HOLOGRAPHIC ASSOCIATIVE MEMORY

#20
20120182846
2012-07-19

Device for recording, erasing and reading data on a multi-layer optical disc

#21
20120176880
2012-07-12

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

#22
20120122238
2012-05-17

VMP-like sequences of pathogenic

#23
20120113493
2012-05-10

High speed electromechanical shutter

#24
20120026856
2012-02-02

Optical information record/reproduction apparatus and reproduction apparatus

#25
20110170395
2011-07-14

Optical information recording apparatus

#26
20110080815
2011-04-07

Optical recording and reproducing apparatus

#27
20110043890
2011-02-24

Light controller

#28
20110007620
2011-01-13

Data page for use in a holographic data storage system

#29
20100321769
2010-12-23

Optical switch using a michelson interferometer

#30
20100321759
2010-12-23

Directly modulated spatial light modulator

#31
20100317026
2010-12-16

VMP-like sequences of pathogenic

#32
20100296380
2010-11-25

Spatial light modulators with changeable phase masks for use in holographic data storage

#33
20100271922
2010-10-28

HOLOGRAM RECORDING DEVICE

#34
20100259803
2010-10-14

COLLINEAR VOLUME HOLOGRAPHIC OPTICAL STORAGE SYSTEM AND INFORMATION STORAGE STRUCTURE THEREOF

#35
20100245955
2010-09-30

Light irradiation device for recording information in a hologram recording medium

#36
20100188716
2010-07-29

HOLOGRAM RECORDING DEVICE

#37
20100128334
2010-05-27

Holographic recording apparatus, holographic reproduction apparatus, information encoding method, recording method, and information reproduction

#38
20100118682
2010-05-13

Apparatus and method for recording data on holographic storage medium

#39
20100091631
2010-04-15

Phase masks for use in holographic data storage

#40
20100091349
2010-04-15

Recording and reproducing device and polarization direction controlling method

#41
20100061215
2010-03-11

Optical information recording and reproducing apparatus and optical information recording apparatus

#42
20100060961
2010-03-11

Recording/playback apparatus, recording apparatus, playback apparatus, recording/playback method, recording method, and playback method

#43
20100060960
2010-03-11

REPRODUCTION DEVICE AND REPRODUCTION METHOD

#44
20100060959
2010-03-11

REPRODUCTION APPARATUS AND REPRODUCTION METHOD

#45
20100054103
2010-03-04

Optical information recording/reproducing apparatus and method

#46
20100014137
2010-01-21

Holographic multiplex recording method, holographic recording apparatus and holographic recording medium employing the method using interference fringes

#47
20100008198
2010-01-14

Optical recording/reproducing method, system, and program

#48
20090316559
2009-12-24

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

#49
20090316240
2009-12-24

Reproducing device and reproducing method

#50
20090303560
2009-12-10

Spatial light modulator

#51
20090290471
2009-11-26

RECORDING AND REPRODUCING DEVICE, RECORDING AND REPRODUCING METHOD, RECORDING DEVICE, RECORDING METHOD, REPRODUCING DEVICE, AND REPRODUCING METHOD

#52
20090279406
2009-11-12

HOLOGRAM RECORDING AND REPRODUCING SYSTEM

#53
20090268583
2009-10-29

Information recording device and information reproducing device

#54
20090268268
2009-10-29

Recording and reproducing device, recording and reproducing method, recording device, recording method, reproducing device and reproducing method

#55
20090262406
2009-10-22

Recording device, recording/reproducing method, and reproducing method

#56
20090245047
2009-10-01

METHOD OF ENCODING DATA ON AN INFORMATION CARRIER, SYSTEM FOR READING SUCH AN INFORMATION CARRIER

#57
20090219798
2009-09-03

REPRODUCTION METHOD AND HOLOGRAM RECORDING MEDIUM

#58
20090219594
2009-09-03

HOLOGRAM REPRODUCING DEVICE AND HOLOGRAM REPRODUCING METHOD

#59
20090219593
2009-09-03

Reflection type collinear holographic storage system

#60
20090214126
2009-08-27

Gray code encoding and decoding method applied to holographic storage devices

#61
20090161519
2009-06-25

OPTICAL INFORMATION RECORDING APPARATUS AND METHOD

#62
20090154326
2009-06-18

Optical recording and reading equipment

#63
20090141325
2009-06-04

Hologram Device and Recording Method

#64
20090122374
2009-05-14

Hologram recording device and hologram recording method

#65
20090116088
2009-05-07

Optical unit, method for controlling drive, and holographic apparatus

#66
20090103153
2009-04-23

HOLOGRAPHIC RECORDING AND READING METHOD AND HOLOGRAPHIC RECORDING AND READING APPARATUS

#67
20090086603
2009-04-02

LIGHT EMITTING ELEMENT DRIVE CIRCUIT AND INFORMATION RECORDING/REPRODUCING APPARATUS USING SUCH CIRCUIT

#68
20090080043
2009-03-26

Hologram decoding apparatus, hologram decoding method and computer readable medium

#69
20090073850
2009-03-19

OPTICAL DATA STORAGE DEVICE

#70
20090059329
2009-03-05

Hologram reading apparatus, hologram reading method, hologram recording apparatus and hologram recording method

#71
20090059328
2009-03-05

Hologram reading apparatus, hologram reading method, hologram recording apparatus and hologram recording method

#72
20090051990
2009-02-26

Phase mask for holographic data storage

#73
20090040582
2009-02-12

System and method for holographic storage

#74
20090040577
2009-02-12

System and method for holographic storage

#75
20090021811
2009-01-22

OPTICAL INFORMATION RECORDING APPARATUS

#76
20080316895
2008-12-25

Data processing method for a holographic data storage system

#77
20080297865
2008-12-04

Reproducing apparatus, reproducing method, recording and reproducing apparatus, recording and reproducing method, recording apparatus, and recording method

#78
20080291806
2008-11-27

Optical Device for Recording and Reproducing Holographic Data

#79
20080266624
2008-10-30

HOLOGRAM RECORDING APPARATUS

#80
20080259420
2008-10-23

Apparatus for reading from and/or writing to holographic storage media

#81
20080252953
2008-10-16

Holographic storage and regeneration system having servo mechanism

#82
20080239425
2008-10-02

Hologram Recording Apparatus and Method, Hologram Reproducing Apparatus and Method, and Computer Program

#83
20080239421
2008-10-02

Hologram recorder

#84
20080231925
2008-09-25

Two-dimensional modulation method for hologram recording and hologram apparatus with encoder for driving SLM displaying boundary portion

#85
20080225360
2008-09-18

Hologram recording/reproducing apparatus

#86
20080205244
2008-08-28

Optical head, optical disc apparatus including the optical head, and information processing apparatus including the optical disc apparatus

#87
20080192311
2008-08-14

Optical informational recording/reproduction device and method

#88
20080181082
2008-07-31

Apparatus and method for holographic information storage and retrieval

#89
20080170486
2008-07-17

Optical Pickup Device

#90
20080170479
2008-07-17

OPTICAL INFORMATION STORAGE APPARATUS AND OPTICAL RECORDING MEDIUM

#91
20080165654
2008-07-10

HOLOGRAPHIC INFORMATION RECORDING AND REPRODUCING APPARATUS

#92
20080165634
2008-07-10

Enhanced data storage and retrieval devices and systems and methods for utilizing the same

#93
20080145764
2008-06-19

Pre-exposure and curing of photo-sensitive material for optical data storage

#94
20080144473
2008-06-19

OPTICAL ELEMENT AND OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS

#95
20080144147
2008-06-19

Reproducing apparatus and reproducing method

#96
20080130462
2008-06-05

Optical Device, in Particular Holographic Device

#97
20080123506
2008-05-29

Optical information recording/reproducing apparatus

#98
20080107859
2008-05-08

Optical information recording medium

#99
20080084807
2008-04-10

Molecular data storage device and method thereof

#100
20080030821
2008-02-07

Hologram recording apparatus, hologram recording method and optical recording medium

#101
20080019253
2008-01-24

Information recording/reproducing device and information reproducing method

#102
20080018967
2008-01-24

Hologram recording device, hologram reproducing device and hologram recording method not requiring positioning of a phase mask

#103
20080007808
2008-01-10

Hologram Recording and Reproducing Method, Device and System

#104
20070286056
2007-12-13

High speed electromechanical shutter

#105
20070285751
2007-12-13

Optical information processing apparatus and optical information recording and reproducing methods

#106
20070280083
2007-12-06

Recording and playback apparatus and optical head

#107
20070268538
2007-11-22

HOLOGRAPHIC RECONSTRUCTION APPARATUS, HOLOGRAPHIC RECORDING/RECONSTRUCTION APPARATUS, AND HOLOGRAPHIC RECONSTRUCTION METHOD

#108
20070258118
2007-11-08

Hologram recording and reconstruction apparatus

#109
20070253043
2007-11-01

Apparatus and method for holographic information storage and retrieval

#110
20070247687
2007-10-25

Spatial light modulators with changeable phase masks for use in holographic data storage

#111
20070237050
2007-10-11

Optical information processing apparatus and optical information recording and reproducing methods using the same

#112
20070201339
2007-08-30

OPTICAL DISC RECORDING APPARATUS, CONTROLLING METHOD OF THE SAME, AND OPTICAL DISC

#113
20070201338
2007-08-30

OPTICAL DISC RECORDING APPARATUS, CONTROLLING METHOD OF THE SAME, AND OPTICAL DISC

#114
20070195388
2007-08-23

Hologram recording method, hologram recording device, hologram playback method, and optical recording medium

#115
20070183009
2007-08-09

Holographic multiplex recording method, and holographic recording apparatus and holographic recording medium employing the method

#116
20070180183
2007-08-02

Hologram retrieval method and holographic recording and reproducing apparatus

#117
20070153347
2007-07-05

System and method for holographic storage

#118
20070153345
2007-07-05

Holographic recording method and holographic recording apparatus

#119
20070147735
2007-06-28

Method and apparatus for multiplexing optical information for recording and reproducing optical information over optical storage medium

#120
20070147215
2007-06-28

Optical information recording and reproducing apparatus and optical information recording apparatus

#121
20070146847
2007-06-28

Spatial light modulator and light sensing device provided on the same substrate

#122
20070146838
2007-06-28

Hologram recording device, hologram reproductive device, hologram recording method, hologram reproduction method, and hologram recording medium

#123
20070121468
2007-05-31

Optical information recording and reproducing apparatus

#124
20070121446
2007-05-31

Optical disc apparatus and optical disc reproducing method

#125
20070121185
2007-05-31

Holographic recording method, holographic memory reproduction method, holographic recording apparatus, and holographic memory reproduction apparatus

#126
20070121184
2007-05-31

Holographic storage device

#127
20070120042
2007-05-31

OPTICAL INFORMATION RECORDING-REPRODUCTION APPARATUS

#128
20070117970
2007-05-24

VMP-like sequences of pathogenic

#129
20070104895
2007-05-10

Liquid crystal optical modulation element and optical head device

#130
20070103750
2007-05-10

Apparatus and method for recording and reproducing optical information

#131
20070086307
2007-04-19

Holographic device

#132
20070053390
2007-03-08

Injection locked diode lasers

#133
20060279821
2006-12-14

Holographic drive head alignments

#134
20060221419
2006-10-05

Hologram recorder

#135
20060203316
2006-09-14

Data page pixel shaping for holographic recording

#136
20060193022
2006-08-31

Optical recording apparatus and optical recording/reproducing apparatus

#137
20060176799
2006-08-10

Optical information recording method and optical information recording and reproducing apparatus utilizing holography

#138
20060165419
2006-07-27

Apparatus for multilevel optical recording

#139
20060164955
2006-07-27

Recording and playback apparatus and optical head including a variable optical coupling efficiency device

#140
20060140102
2006-06-29

System and method for parallel selection and retrieval of data stored in a holographic data storage medium

#141
20060140074
2006-06-29

Optical information recording apparatus and method

#142
20060120257
2006-06-08

Apparatus for recording angular multiplexed pits

#143
20060114792
2006-06-01

Hologram recording medium and hologram record-reproduction device

#144
20060114777
2006-06-01

Optical recording and reading equipment

#145
20060082851
2006-04-20

Holographic recording apparatus and method for recording holograms

#146
20060077857
2006-04-13

Optical information recording apparatus and method for recording optical information

#147
20060077853
2006-04-13

Apparatus and method for recording and reproducing hologram, and spatial light modulator therefor

#148
20060072425
2006-04-06

Array-based optical head

#149
20060066930
2006-03-30

Method and apparatus for holographic recording and retrieval

#150
20060050341
2006-03-09

Apparatus for recording optical information

#151
20060012845
2006-01-19

Spatial light modulator device with diffusive element

#152
20060012725
2006-01-19

Holographic data storage with PDLC spatial light modulator generating reference and object beams

#153
20060007839
2006-01-12

OPTICAL RECORDING MEDIUM AND MASTER DISC FOR MANUFACTURING OPTICAL RECORDING MEDIUM

#154
20060007836
2006-01-12

Optical recording medium and master disc for manufacturing optical recording medium

#155
20050275919
2005-12-15

Spatial optical modulator

#156
20050270957
2005-12-08

Optical system for processing CD, DVD and holographic digital data

#157
20050249095
2005-11-10

Recording device, reproduction device, and recording/reproduction device

#158
20050243389
2005-11-03

Inline type speckle multiplexed hologram recording apparatus and inline type speckle multiplexed hologram recording method

#159
20050232125
2005-10-20

Multiplex recording type hologram recording device, method, hologram reproduction device, and method

#160
20050231775
2005-10-20

Hologram recording/reproducing method and hologram recording/reproducing device

#161
20050226120
2005-10-13

Information processing device and information recording medium

#162
20050207313
2005-09-22

Phase masks for use in holographic data storage

#163
20050185230
2005-08-25

Hologram recording device and hologram reproduction device

#164
20050180291
2005-08-18

Recording and reproducing method

#165
20050179969
2005-08-18

Holographic recording apparatus

#166
20050176947
2005-08-11

Optical recording apparatus using one-dimensional diffractive light modulator

#167
20050174621
2005-08-11

Holographic recording techniques using first and second portions of a spatial light modulator

#168
20050174618
2005-08-11

Holographic recording techniques using reference zone of spatial light modulator

#169
20050167576
2005-08-04

Near-field optical probe

#170
20050162719
2005-07-28

Hologram apparatus capable of detecting and correcting distortion of hologram image

#171
20050088949
2005-04-28

Exposure apparatus of an optical disk master, method of exposing an optical disk master, and wavefront fluctuation correction mechanism

#172
20050083799
2005-04-21

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

#173
20050058054
2005-03-17

Exposure apparatus of an optical disk master, method of exposing an optical disk master and pinhole mechanism

#174
20050052749
2005-03-10

Scanning head lens assembly

#175
20050030875
2005-02-10

Holographic optical information recording and reproducing apparatus which parallel-translates light ray flux to correct tilt

#176
20050013205
2005-01-20

Enhanced data storage and retrieval devices and systems and methods for utilizing the same

#177
20050007930
2005-01-13

Holographic information recording apparatus

#178
20050007810
2005-01-13

Reproduction or recording apparatus for different optical recording media

#179
19003937
2025-12-09

Information verification method and related device

#180
18454091
2024-07-09

Method for reading and writing with holographic storage system and holographic storage system