ClassID:

198105

G11B7/13 - 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 detectors therefor

Sub-classes:
Recent Application in this class:
#1
20210390981
2021-12-16

Reproduction apparatus and reproduction method

#2
20200327906
2020-10-15

Information processing apparatus, optical storage apparatus, and method for processing information

#3
20200034118
2020-01-30

Random number generation using heat assisted magnetic recording

#4
20190325909
2019-10-24

Optical disc and optical disc device

#5
20190235840
2019-08-01

Random number generation using heat assisted magnetic recording

#6
20190187405
2019-06-20

LENS HOLDER, OBJECT LENS DRIVING DEVICE, OPTICAL PICKUP DEVICE, AND METHOD FOR MANUFACTURING LENS HOLDER

#7
20190130941
2019-05-02

Reproducing device

#8
20180268857
2018-09-20

Optical disc and optical disc device

#9
20180240498
2018-08-23

Reproducing device

#10
20180224626
2018-08-09

LENS HOLDER, OBJECT LENS DRIVING DEVICE, OPTICAL PICKUP DEVICE, AND METHOD FOR MANUFACTURING LENS HOLDER

#11
20180018998
2018-01-18

Reproducing device

#12
20170294204
2017-10-12

Optical disc and optical disc device

#13
20170278534
2017-09-28

Optical information recording apparatus and method

#14
20170270958
2017-09-21

Record playback apparatus

#15
20170263281
2017-09-14

Holographic characterization and playback apparatus

#16
20170256280
2017-09-07

Optical disc apparatus controlling irradiation position based on cross-correlation value between reproduction signal and decoded signal

#17
20170236543
2017-08-17

OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE AND HOLOGRAPHIC RECORDING/REPRODUCING METHOD

#18
20170186462
2017-06-29

Reproducing device

#19
20170162222
2017-06-08

Laser mode hopping detection for heat-assisted magnetic recording device

#20
20170140786
2017-05-18

DATA READOUT DEVICE FOR READING OUT DATA FROM A DATA CARRIER

#21
20170133049
2017-05-11

Optical medium reproduction device and optical medium reproduction method

#22
20170117011
2017-04-27

Optical medium reproduction apparatus and optical medium reproduction method

#23
20170025143
2017-01-26

Method and system for optical data storage

#24
20170013229
2017-01-12

Storage system using unformatted digital optical tape

#25
20160336034
2016-11-17

OPTICAL INFORMATION REPRODUCING DEVICE AND REFERENCE BEAM ADJUSTING METHOD

#26
20160284375
2016-09-29

Recording apparatus

#27
20160217811
2016-07-28

BIO-DISC DETECTION DEVICE

#28
20160055876
2016-02-25

Optical information reproduction device and optical information reproduction method

#29
20160042755
2016-02-11

Digital optical tape storage system

#30
20150356991
2015-12-10

Optical disc and optical disc device

#31
20150279410
2015-10-01

Optical recording and playback apparatus

#32
20140362676
2014-12-11

OPTICAL INFORMATION PROCESSING APPARATUS AND METHOD FOR CONTROLLING SAME

#33
20140022880
2014-01-23

Adhesive structure of optical device, adhesion method, and optical pickup device

#34
20130182546
2013-07-18

Photo detecting element, and optical pick-up device and optical disc drive including the photo detecting element

#35
20130083645
2013-04-04

Optical pickup, inclination angle detection method, optical information device and information processing device

#36
20120307619
2012-12-06

OPTICAL PICKUP DEVICE

#37
20120069722
2012-03-22

Reproducing device and optical path length servo control method

#38
20120044795
2012-02-23

Optical disc drive

#39
20120008481
2012-01-12

OPTICAL PICKUP APPARATUS

#40
20110266587
2011-11-03

SEMICONDUCTOR DEVICE AND PRODUCTION METHOD THEREOF

#41
20110260789
2011-10-27

Variable gain amplifier circuit

#42
20110199673
2011-08-18

INTEGRATED OPTICAL DEVICE AND OPTICAL PICKUP DEVICE USING THE SAME

#43
20110188366
2011-08-04

Amplifier circuit and optical pickup device

#44
20110159637
2011-06-30

SEMICONDUCTOR DEVICE

#45
20110147873
2011-06-23

OPTICAL SEMICONDUCTOR DEVICE, AND OPTICAL PICKUP DEVICE AND ELECTRONIC DEVICE USING THE OPTICAL SEMICONDUCTOR DEVICE

#46
20110032004
2011-02-10

Light-receiving circuit and semiconductor device having same

#47
20100309769
2010-12-09

OPTICAL PICKUP

#48
20100283474
2010-11-11

TEST CIRCUIT AND OPTICAL PICKUP DEVICE

#49
20100218204
2010-08-26

PHOTODETECTOR

#50
20100172002
2010-07-08

Optical pickup apparatus, reproduction apparatus, and reproduction method

#51
20100165813
2010-07-01

OPTICAL RECORDING APPARATUS WITH HIGH-SPEED FORWARD LASER POWER CONTROL (LPC)

#52
20100155875
2010-06-24

Semiconductor device provided with photodiode, manufacturing method thereof, and optical disc device

#53
20100149957
2010-06-17

Method and system for detection enhancement for optical data storage

#54
20100133425
2010-06-03

Optical pickup apparatus

#55
20100091633
2010-04-15

METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE, SEMICONDUCTOR DEVICE AND OPTICAL PICKUP MODULE

#56
20100061213
2010-03-11

OPTICAL HOLOGRAPHIC DEVICE AND METHOD WITH GAIN COMPENSATION

#57
20100039917
2010-02-18

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

#58
20100002558
2010-01-07

Optical disk device and optical receiver IC

#59
20100001174
2010-01-07

SEMICONDUCTOR DEVICE, ITS MANUFACTURING METHOD AND OPTICAL PICKUP MODULE

#60
20090296562
2009-12-03

PHOTOELECTRIC CONVERTING DEVICE, AND OPTICAL DISK APPARATUS AND ADJUSTMENT METHOD OF THE SAME

#61
20090296561
2009-12-03

MULTI-SPOT DETECTOR ARRANGEMENT FOR MULTI-LAYER RECORD CARRIERS

#62
20090285060
2009-11-19

Method of adjusting gain balance of optical transducer

#63
20090278221
2009-11-12

Semiconductor device

#64
20090261441
2009-10-22

OPTICAL SEMICONDUCTOR DEVICE

#65
20090257327
2009-10-15

Optical signal detecting circuit and information reproducing device using the same

#66
20090219797
2009-09-03

Signal regenerator

#67
20090214126
2009-08-27

Gray code encoding and decoding method applied to holographic storage devices

#68
20090161525
2009-06-25

Optical pickup and optical disk driving apparatus using the same

#69
20090122687
2009-05-14

Optical pickup

#70
20090109828
2009-04-30

Optical system with superlens

#71
20090080313
2009-03-26

Optical information recording and reproducing device

#72
20090078857
2009-03-26

Optical pickup device and optical disk device

#73
20090046543
2009-02-19

IMAGE PROCESSING SYSTEM AND METHOD FOR SILHOUETTE RENDERING AND DISPLAY OF IMAGES DURING INTERVENTIONAL PROCEDURES

#74
20090041077
2009-02-12

OPTICAL READ-OUT

#75
20090034395
2009-02-05

Apparatus and method to determine an optimal optical detector orientation to decode holographically encoded information

#76
20090034392
2009-02-05

Photodetector and optical pickup apparatus including the same

#77
20090032896
2009-02-05

Optical semiconductor device

#78
20090016202
2009-01-15

METHOD OF PRODUCING A PHOTOELECTRIC TRANSDUCER AND OPTICAL PICK UP

#79
20080285423
2008-11-20

OPTICAL PICKUP APPARATUS

#80
20080273436
2008-11-06

Integrated Photo Monitor Circuit and Optical Pickup Unit

#81
20080253260
2008-10-16

Photodetection device and optical disk device

#82
20080237455
2008-10-02

LIGHT RECEIVING APPARATUS

#83
20080197890
2008-08-21

Light receiving circuit

#84
20080181082
2008-07-31

Apparatus and method for holographic information storage and retrieval

#85
20080165667
2008-07-10

METHOD AND APPARATUS FOR DISCRIMINATING OPTICAL INFORMATION STORAGE MEDIA

#86
20080151253
2008-06-26

Method and assembly for confocal, chromatic, interferometric and spectroscopic scanning of optical, multi-layer data memories

#87
20080144476
2008-06-19

OPTICAL PICKUP APPARATUS AND PHOTODETECTOR

#88
20080080331
2008-04-03

Integrated circuit for optical disc

#89
20080080328
2008-04-03

Optical pickup unit capable of easily fixing a PD holder to an optical base

#90
20080068596
2008-03-20

Sensor unit and optical sensor for a scanning device

#91
20080067321
2008-03-20

Optical information detecting method, optical head, and optical disc apparatus utilizing plural photodetectors

#92
20080054162
2008-03-06

Optical semiconductor device having a shield wire and optical pickup device having a shield wire

#93
20080049565
2008-02-28

Light-receiving element, optical head using the same, and optical recording/reproducing apparatus using the same

#94
20080037386
2008-02-14

OPTICAL SCANNING DEVICE

#95
20080008060
2008-01-10

Light-receiving element, optical head using same, and optical recording/reproduction apparatus using same

#96
20070201327
2007-08-30

Optical pickup device and optical disk device

#97
20070201322
2007-08-30

OPTICAL HEAD, METHOD OF MANUFACTURING THE SAME AND OPTICAL RECORD PLAYBACK EQUIPMENT

#98
20070147200
2007-06-28

Servo controlling method of optical information processing apparatus and optical information recording and reproducing apparatus

#99
20070147198
2007-06-28

Optical pickup device and method of laying out the same

#100
20070146847
2007-06-28

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

#101
20070125933
2007-06-07

Semiconductor light receiving element and optical pick-up device having the semiconductor light receiving element

#102
20070120044
2007-05-31

Light receiving device for reading an optical medium with reducing influence of dark current and stray light performance

#103
20070115782
2007-05-24

Optical pick-up unit

#104
20070109931
2007-05-17

Optical pickup device

#105
20070086309
2007-04-19

Method and Device for High Density Optical Disk Data Storage

#106
20070070840
2007-03-29

Recording apparatus for optical data

#107
20070064553
2007-03-22

Method and device for reading angular multiplexed pits

#108
20070053266
2007-03-08

Device and method for reading multilayer optical disk

#109
20070035801
2007-02-15

Light receiving element circuit and optical disk device

#110
20070019517
2007-01-25

Photo-detector amplifier circuit for optical disk device

#111
20070014212
2007-01-18

Light receiving element circuit and optical disk drive

#112
20060285474
2006-12-21

Optical pickup apparatus

#113
20060280106
2006-12-14

Optical record carrier

#114
20060256698
2006-11-16

Optical scanning device

#115
20060239173
2006-10-26

Optical storage with direct digital optical detection

#116
20060239138
2006-10-26

Optical pickup and optical storage device

#117
20060233088
2006-10-19

Method and apparatus for creating a multi-dimensional data signal

#118
20060233068
2006-10-19

Optical pickup and optical storage device

#119
20060231729
2006-10-19

Light-receiving device, optical pickup, and optical disc apparatus

#120
20060202121
2006-09-14

Transducer for reading information stored on an optical record carrier, single photon detector based storage system and method for reading data from an optical record carrier

#121
20060176799
2006-08-10

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

#122
20060171017
2006-08-03

Light detector, optical pickup, and optical disc apparatus

#123
20060170504
2006-08-03

Photodiode integrated circuit having multiple gain states

#124
20060164959
2006-07-27

Optical detector, optical head device, optical information processing device, and optical information processing method

#125
20060153252
2006-07-13

Optical reading apparatus and method of reading data

#126
20060114798
2006-06-01

Optical pickup device, information reproduction/recording apparatus, and information processing apparatus

#127
20060054789
2006-03-16

Photodetector-amplifier circuit and optical pickup device

#128
20060002277
2006-01-05

Optical disc apparatus

#129
20050286394
2005-12-29

Means for limiting an output signal of an amplifier stage

#130
20050254828
2005-11-17

Optical signal receiving unti and apparatus for reproducing information

#131
20050237905
2005-10-27

Optical pickup device

#132
20050219670
2005-10-06

Holographic data storage system

#133
20050213456
2005-09-29

Optical pick-up capable of increasing the quantity of received laser beam

#134
20050179969
2005-08-18

Holographic recording apparatus

#135
20050169128
2005-08-04

Optical head with light-receiving device

#136
20050163019
2005-07-28

Apparatus for and method of controlling photo diode using digital potentiometer

#137
20050162719
2005-07-28

Hologram apparatus capable of detecting and correcting distortion of hologram image

#138
20050151217
2005-07-14

Integrated circuit device packaging structure and packaging method

#139
20050151216
2005-07-14

Integrated circuit device packaging structure and packaging method

#140
20050111340
2005-05-26

Optical disk apparatus

#141
20050099922
2005-05-12

Recording method of optical disc device and method for determining whether there is abnormality in the same

#142
20050007905
2005-01-13

Optical pickup

#143
20050002289
2005-01-06

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

#144
20050002014
2005-01-06

Optical pickup apparatus for detecting a focus-error signal using a spot size detection method

#145
20050001231
2005-01-06

Light receiving element and light receiving device incorporating circuit and optical disc drive

#146
17181804
2022-05-17

Plasmonic transducer head for writing data to and reading data from an optical recording medium ultilizing a fluorescent dye

#147
16170462
2019-09-10

Bolometer with temperature compensation for internal laser power monitoring in heat-assisted magnetic recording device

#148
15590743
2018-08-21

Methods and devices for power control of a light source of a memory system

#149
15342339
2018-11-13

Bolometer with temperature compensation for internal laser power monitoring in heat-assisted magnetic recording device