ClassID:

198093

G11B7/121 - 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 Protecting the head, e.g. against dust or impact with the record carrier

Recent Application in this class:
#1
20160372144
2016-12-22

Resistive temperature sensors for improved asperity, head-media spacing, and/or head-media contact detection

#2
20150380021
2015-12-31

Asperity and head-media contact detection using multi-stage temperature coefficient of resistance sensor

#3
20140380342
2014-12-25

Optical disc apparatus, sheet member, and method for cleaning objective lens

#4
20140328152
2014-11-06

Onboard optical disc device

#5
20140189717
2014-07-03

Optical disc device and lens cleaner

#6
20140140183
2014-05-22

Information recording/reproduction device, cleaning tape, and optical pickup cleaning method

#7
20140007145
2014-01-02

Data storage device tape path cleaner

#8
20120240136
2012-09-20

Optical pickup and drive apparatus

#9
20120151506
2012-06-14

Optical disk record and playback apparatus and pickup protecting method thereof

#10
20120120982
2012-05-17

Resistive temperature sensors for improved asperity, head-media spacing, and/or head-media contact detection

#11
20120120527
2012-05-17

Asperity and head-media contact detection using multi-stage temperature coefficient of resistance sensor

#12
20120120522
2012-05-17

Head transducer with multiple resistance temperature sensors for head-medium spacing and contact detection

#13
20120120519
2012-05-17

Resistance temperature sensors for head-media and asperity detection

#14
20120092978
2012-04-19

Optical disk drive with embedded test medium

#15
20120020197
2012-01-26

Optical pickup device

#16
20110239236
2011-09-29

OPTICAL DISC DRIVE

#17
20110228659
2011-09-22

COLLISION PREVENTION METHOD AND APPARATUS BETWEEN RECORDING MEDIUM AND LENS

#18
20110191794
2011-08-04

Optical pickup apparatus

#19
20110010884
2011-01-20

Lens cleaner

#20
20100322061
2010-12-23

Optical pickup device having disc protector

#21
20100315936
2010-12-16

Objective lens, optical pick-up device, and optical disk device

#22
20100315935
2010-12-16

Objective lens, optical pick-up device, and optical disk device

#23
20100242059
2010-09-23

OPTICAL DATA RECORDING DISC WITH PROTRUSION BETWEEN CLAMPING AREA AND CENTER HOLE

#24
20100208570
2010-08-19

Objective lens actuator

#25
20100157756
2010-06-24

Optical disc apparatus and optical disc drive control method

#26
20100153980
2010-06-17

Optical driving device including a holder with a top face having a closed structure

#27
20100097920
2010-04-22

Optical pickup actuator and optical disc driver using the same

#28
20100091635
2010-04-15

Optical pickup device

#29
20100074093
2010-03-25

Protection cover of pick-up head

#30
20100067352
2010-03-18

Objective lens actuator and an optical pickup

#31
20100061211
2010-03-11

Optical pickup with light receiving element and holding member and method of manufacturing the same

#32
20100014393
2010-01-21

High-density recording medium and recording and/or reproducing device therefor

#33
20090316538
2009-12-24

Optical disc apparatus

#34
20090290465
2009-11-26

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

#35
20090180371
2009-07-16

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

#36
20090135712
2009-05-28

Solid immersion lens and focusing lens, optical pickup device, and data recording/reproducing apparatus using the same

#37
20090129244
2009-05-21

Compact pickup for micro optical drive

#38
20090122688
2009-05-14

Optical disk apparatus

#39
20090109831
2009-04-30

Semiconductor laser device protection circuit, optical pickup apparatus, and information recording/reproducing apparatus

#40
20090109829
2009-04-30

Optical pickup

#41
20090092168
2009-04-09

LASER MODULE AND OPTICAL PICKUP DEVICE

#42
20090086590
2009-04-02

Signal clamping device and method thereof and related optical storage system

#43
20090073860
2009-03-19

Lens cleaner disc

#44
20090073855
2009-03-19

Optical pickup and optical disk drive apparatus

#45
20090073854
2009-03-19

Optical pickup and disk drive apparatus

#46
20090059770
2009-03-05

Optical pickup apparatus

#47
20090040907
2009-02-12

OPTICAL PICKUP DEVICE AND OPTICAL DISK APPARATUS INCLUDING THE SAME

#48
20090034400
2009-02-05

Objective lens actuator and optical pickup device including the same

#49
20090028037
2009-01-29

OPTICAL SCANNING DEVICE

#50
20090016196
2009-01-15

Optical disc device and method for controlling optical disc device

#51
20090013341
2009-01-08

Lens holder for optical pickup and optical pickup having same

#52
20090010139
2009-01-08

OPTICAL PICKUP

#53
20090010114
2009-01-08

Optical data access apparatus and method thereof

#54
20090003184
2009-01-01

Method of Moving Tracks, Method and Apparatus of Recording and/or Playback

#55
20080304387
2008-12-11

Optical disc drive device with anti-scraping mechanism

#56
20080285421
2008-11-20

Optical disk drive

#57
20080279060
2008-11-13

Objective lens device, optical pickup device, optical-disc driving device and driving method of objective lens

#58
20080259777
2008-10-23

Optical Pickup Device and Optical Disc Device

#59
20080230175
2008-09-25

Cleaning Device and a Method For Producing a Cleaning Device For Cleaning a Read and/or Write Interface of a Read and/or Write Unit

#60
20080216104
2008-09-04

Optical disc device protecting the optical pickup unit during ejection by a catch member of a tray displacing a catch surface of the optical pickup unit

#61
20080212440
2008-09-04

Method of Cleaning a Refractive Element and Optical Scanning Apparatus For Nearfield Optical Systems

#62
20080209459
2008-08-28

Optical disc device having a blocking means for its optical pickup unit

#63
20080198728
2008-08-21

Optical information recording-reproduction apparatus

#64
20080159111
2008-07-03

Optical Pickup Device

#65
20080155580
2008-06-26

Optical data recording disc with protrusion between clamping area and center hole

#66
20080155579
2008-06-26

Optical recording and/or reproducing apparatus with protection shield

#67
20080148305
2008-06-19

Optical data recording disc with protrusion between clamping area and center hole

#68
20080130470
2008-06-05

Optical Pick-Up Unit

#69
20080106988
2008-05-08

Optical disc playback apparatus

#70
20080106982
2008-05-08

Optical pickup unit, apparatus for recording/reproducing data, method for controlling the apparatus, control method, and recording medium

#71
20080080330
2008-04-03

Tilt adjusting mechanism for objective lens

#72
20080068960
2008-03-20

Optical pickup device

#73
20080062837
2008-03-13

Tilt adjusting mechanism for objective lens

#74
20080056101
2008-03-06

Optical pickup

#75
20080052734
2008-02-28

Optical pickup device and optical disc drive apparatus

#76
20080037385
2008-02-14

Objective-lens driving apparatus and optical pickup and optical recording and reproducing apparatus for using same

#77
20080037383
2008-02-14

Objective-lens driving apparatus and optical pickup and optical recording and reproducing apparatus for using same

#78
20080034384
2008-02-07

Optical data recording medium with protrusion bonded between center hole and clamping area

#79
20080031120
2008-02-07

Objective lens actuator

#80
20080031103
2008-02-07

Objective lens, optical pick-up device, and optical disk device

#81
20080025161
2008-01-31

Optical disc drive and control method thereof

#82
20080019230
2008-01-24

Optical pick-up and optical recording/reproducing apparatus with a protective cover

#83
20080019224
2008-01-24

Focusing Method and Optical Disk Device

#84
20080016524
2008-01-17

Optical data recording disc with protrusion between clamping area and center hole

#85
20080016523
2008-01-17

Optical data recording disc with protrusion between clamping area and center hole

#86
20080016522
2008-01-17

Optical data recording disc with protrusion between clamping area and center hole

#87
20070268793
2007-11-22

Optical recording medium drive and optical pickup

#88
20070263678
2007-11-15

Coherent light source and optical system

#89
20070263503
2007-11-15

Information reproducing apparatus and method for measuring surface deflection

#90
20070263297
2007-11-15

Optical pick apparatus

#91
20070230310
2007-10-04

Protection member and optical pickup device using the same

#92
20070220532
2007-09-20

Device for Reading and/or Writing to Optical Recording Media

#93
20070104047
2007-05-10

Optical disc drive and focus control method thereof

#94
20070076542
2007-04-05

Optical disc apparatus and back off control method for objective lens

#95
20070076539
2007-04-05

Pickup unit and disk drive unit provided with such a pickup unit

#96
20070070836
2007-03-29

Optical disk device

#97
20070067786
2007-03-22

Optical pickup device

#98
20070058509
2007-03-15

Optical disc device

#99
20070050797
2007-03-01

Information reproducing device

#100
20070047423
2007-03-01

Optical disk apparatus with protection member for objective lens

#101
20070040093
2007-02-22

Control unit and optical disk drive including the control unit

#102
20070033602
2007-02-08

Disk Unit

#103
20070029472
2007-02-08

Light emitting and receiving integrated device and optical disk apparatus

#104
20070014206
2007-01-18

Optical pickup device and information processing apparatus incorporating the optical pickup

#105
20070014205
2007-01-18

Objective lens holding device and usage thereof

#106
20060280099
2006-12-14

Optical element and optical pickup apparatus

#107
20060255247
2006-11-16

Optical recording and reproducing apparatus, optical head, optical recording and reproducing method and skew detection method

#108
20060233090
2006-10-19

Optical pick-up and optical disk device

#109
20060212891
2006-09-21

Antistatic structure for optical disc device

#110
20060209639
2006-09-21

Scanner for optical storage media

#111
20060198256
2006-09-07

Optical disk drive unit

#112
20060187772
2006-08-24

Optical pickup for optical disk drive and driving method thereof

#113
20060164936
2006-07-27

Optical disk reproducing device, object lens, protection member and optical disk reproducing method

#114
20060150209
2006-07-06

Optical data recording disc with protrusion between clamping area and center hole

#115
20060117335
2006-06-01

Applications of acoustic waves in data storage devices

#116
20060114770
2006-06-01

Disk drive with optical pickup unit

#117
20060096059
2006-05-11

Cleaning method and device for objective lens of optical disc device

#118
20060092642
2006-05-04

Light emitting module, optical head, and optical disc recording and reproducing apparatus

#119
20060087932
2006-04-27

Lens protector and optical pick-up

#120
20060083142
2006-04-20

Method for preventing optical disk from being scraped

#121
20060072210
2006-04-06

Object-lens device for an optical pickup head

#122
20060028928
2006-02-09

Optical disk apparatus with objective lens protective unit

#123
20060013102
2006-01-19

Optical transmission device and electronic apparatus

#124
20060007842
2006-01-12

Cleaning disc for cleaning roller in drive

#125
20050276207
2005-12-15

Objective lens, actuator, optical head, and optical recording/reproducing apparatus

#126
20050275917
2005-12-15

Scanning device including an objective system with a lens protection device

#127
20050243707
2005-11-03

Optical recording and reading system, optical data storage medium and use of such medium

#128
20050242072
2005-11-03

Device for scanning and cleaning an information carrier

#129
20050201221
2005-09-15

Object lens producing device and producing method

#130
20050180270
2005-08-18

Float type slider optical head device and information processing device

#131
20050174693
2005-08-11

Cleaner utilizing adhesive member, and optical information processing device incorporating the same

#132
20050157610
2005-07-21

Optical pickup device and recording and/or reproducing device

#133
20050157609
2005-07-21

Optical pickup device and recording and/or reproducing device

#134
20050105410
2005-05-19

Optical information reproduction method and apparatus

#135
20050073755
2005-04-07

Lens holder and lens protector for use in optical pick-up and method of manufacturing same

#136
20050058439
2005-03-17

Disc recording and/or reproducing apparatus for use in an image pickup device

#137
20050055705
2005-03-10

Protective device

#138
20050052967
2005-03-10

Method of preventing optical recording media from being fractured and apparatus thereof

#139
20050015785
2005-01-20

Method for loading and unloading disk-shaped recording medium and disk drive device

#140
20050007906
2005-01-13

Objective lens, optical pick-up device, and optical disk device

#141
20050005281
2005-01-06

Recording and/or reproducing apparatus for optical recording media