ClassID:

198132

G11B7/1398 - 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 Means for shaping the cross-section of the beam, e.g. into circular or elliptical cross-section

Recent Application in this class:
#1
20140355404
2014-12-04

Optical medium reproducing apparatus and optical medium reproducing method

#2
20140355403
2014-12-04

Optical information processing apparatus and optical information processing method, and adjustment device, adjustment method, and adjustment program for optical information processing apparatus

#3
20120176881
2012-07-12

OPTICAL PICKUP DEVICE AND OPTICAL DISC APPARATUS APPLYING THE SAME

#4
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

#5
20110205880
2011-08-25

OPTICAL BEAM FORMING APPARTUS

#6
20110063968
2011-03-17

Optical pickup apparatus having multi-sectional polarizer

#7
20110063967
2011-03-17

OPTICAL PICKUP DEVICE AND OPTICAL DISC APPARATUS USING THE SAME

#8
20100290116
2010-11-18

Phase compensator for coupling an electromagnetic wave into an optical condenser

#9
20100149948
2010-06-17

Method and system for reading high density optical information

#10
20100097670
2010-04-22

Holographic storage system with improved beam overlap

#11
20100018955
2010-01-28

DEVICE FOR RECORDING GRAPHICAL DATA ON A MEDIUM

#12
20090316237
2009-12-24

HOLOGRAM RECORDER

#13
20090290478
2009-11-26

Optical information recording/reproducing device

#14
20090196149
2009-08-06

Optical pickup apparatus

#15
20090196147
2009-08-06

Optical pickup apparatus

#16
20090168634
2009-07-02

Optical disc drive apparatus with an indirect semiconductor laser containing an asymmetric quantum well structure

#17
20090141614
2009-06-04

Optical pickup

#18
20090138901
2009-05-28

Optical pickup, optical element, optical information device, computer, optical information medium player, car navigation system, optical information medium recorder and optical disk server for use with a light source which emits a divergent beam

#19
20090103153
2009-04-23

HOLOGRAPHIC RECORDING AND READING METHOD AND HOLOGRAPHIC RECORDING AND READING APPARATUS

#20
20090073837
2009-03-19

OPTICAL PICKUP

#21
20090040906
2009-02-12

SIL NEAR-FIELD SYSTEM

#22
20090010136
2009-01-08

Beam shaper for an optical storage system

#23
20080298404
2008-12-04

Radiation Beam Source Device

#24
20080239927
2008-10-02

OPTICAL HEAD DEVICE

#25
20080239923
2008-10-02

Hologram recorder and hologram recording method

#26
20080198726
2008-08-21

Apparatus and method for recording an information on a recordable optical record carrier using oval spot profile

#27
20080197263
2008-08-21

Miniature single actuator scanner for angle multiplexing with circularizing and pitch correction capability

#28
20080192318
2008-08-14

Miniature single actuator scanner for angle multiplexing with circularizing and pitch correction capability

#29
20080192317
2008-08-14

MINIATURE SINGLE ACTUATOR SCANNER FOR ANGLE MULTIPLEXING WITH CIRCULARIZING AND PITCH CORRECTION CAPABILITY

#30
20080170479
2008-07-17

OPTICAL INFORMATION STORAGE APPARATUS AND OPTICAL RECORDING MEDIUM

#31
20080165641
2008-07-10

Unit to remove crosstalk in multi-layered disk, optical pickup including the unit, and optical recording and/or reproducing apparatus including the optical pickup

#32
20080151736
2008-06-26

OPTICAL PICKUP

#33
20080130468
2008-06-05

Optical pickup device

#34
20080130466
2008-06-05

Optical pickup device

#35
20080117790
2008-05-22

Optical pickup device

#36
20080117628
2008-05-22

OPTICAL PICKUP DEVICE

#37
20080106983
2008-05-08

Optical pickup apparatus

#38
20080095016
2008-04-24

Optical Device For Recording and Reproducing

#39
20080062824
2008-03-13

Optical Head with a Variable Optical Component

#40
20080049569
2008-02-28

Optical pickup device

#41
20080037399
2008-02-14

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

#42
20080031106
2008-02-07

Optical Pickup Apparatus

#43
20080030826
2008-02-07

Miniature single actuator scanner for angle multiplexing with circularizing and pitch correction capability

#44
20080019255
2008-01-24

Light source unit, phase type optical element, and laser beam scanning device

#45
20070230964
2007-10-04

OPTICAL PICKUP DEVICE AND OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE

#46
20070206480
2007-09-06

Polarization state detector systems and methods for read-out of multilevel oriented nano-structure optical media

#47
20070201341
2007-08-30

Optical Device For Recording And Reproducing

#48
20070201339
2007-08-30

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

#49
20070201338
2007-08-30

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

#50
20070177480
2007-08-02

Optical pickup and disc drive apparatus

#51
20070165510
2007-07-19

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

#52
20070121472
2007-05-31

Method and apparatus capable of detecting spherical aberration caused by a storage medium

#53
20070121469
2007-05-31

HOLOGRAPHIC OPTICAL PICKUP APPARATUS

#54
20070104046
2007-05-10

Optical pickup device

#55
20070097834
2007-05-03

OPTICAL RECORDING DISK APPARATUS

#56
20070091770
2007-04-26

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

#57
20070081206
2007-04-12

Holographic recording method, holographic recording apparatus, holographic memory reproducing method, holographic memory reproducing apparatus, holographic recording and reproducing apparatus, and holographic recording medium

#58
20070064576
2007-03-22

Optical pickup device and optical disk drive using the same

#59
20070047401
2007-03-01

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

#60
20070041302
2007-02-22

Information recording apparatus, and information recording/reproducing apparatus

#61
20060280097
2006-12-14

Apparatus using light-attenuating element for optically reproducing and recording information

#62
20060274393
2006-12-07

Controlling the transmission amplitude profile of a coherent light beam in a holographic memory system

#63
20060262700
2006-11-23

Optical head, light-emitting/receiving device, and apparatus for recording/reproducing optical recording/recorded medium

#64
20060256688
2006-11-16

Methods and apparatus for shaping mark recorded on media with electromagnetic radiation beam

#65
20060233071
2006-10-19

Optical head device and optical information apparatus using the same

#66
20060221799
2006-10-05

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

#67
20060221455
2006-10-05

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

#68
20060215530
2006-09-28

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

#69
20060215505
2006-09-28

Optical head device and optical information apparatus using the same

#70
20060209660
2006-09-21

Optical pickup device and optical disk drive using the same

#71
20060209293
2006-09-21

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

#72
20060203302
2006-09-14

Optical scanning device

#73
20060176574
2006-08-10

Variable beam shaping element

#74
20060140078
2006-06-29

Optical pickup device

#75
20060126673
2006-06-15

Optical pickup device

#76
20060120251
2006-06-08

Light source apparatus provided with beam shaping element and optical pick-up apparatus having the same

#77
20060114580
2006-06-01

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

#78
20060103907
2006-05-18

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

#79
20060092816
2006-05-04

Objective optical system and optical pick up apparatus

#80
20060087711
2006-04-27

Optical scanning device

#81
20060072423
2006-04-06

Apparatus and method for recording an information on a recordable optical record carrier using oval spot profile

#82
20060072422
2006-04-06

Scanning device including an optical filter

#83
20060072419
2006-04-06

Optical scanning device

#84
20060044986
2006-03-02

Apparatus and method for recording an information on a recordable optical record carrier using oval spot profile

#85
20060028935
2006-02-09

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

#86
20060023609
2006-02-02

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

#87
20060018215
2006-01-26

Optical pickup device

#88
20060013109
2006-01-19

Optical pickup apparatus

#89
20060007512
2006-01-12

Hologram recording apparatus and hologram recording method

#90
20050285022
2005-12-29

Optical pickup

#91
20050276201
2005-12-15

Optical head device

#92
20050270672
2005-12-08

Switchable optical element

#93
20050270610
2005-12-08

Holographic data recording apparatus and method

#94
20050265203
2005-12-01

Optical pickup unit requiring no phase adjustment

#95
20050237639
2005-10-27

Beam shaping lens, lens part, mounting plate, optical head, optical information recording and reproducing apparatus, computer, image recording and reproducing apparatus, image reproducing apparatus, server and car navigation system

#96
20050213469
2005-09-29

Beam shaping device

#97
20050201220
2005-09-15

Optical pickup device that corrects the spot shape of reflected light beams

#98
20050201218
2005-09-15

Optical scanning device

#99
20050180302
2005-08-18

Method and apparatus for making master optical disk

#100
20050146762
2005-07-07

Obliquity correction scanning using a prism mirror

#101
20050117500
2005-06-02

Light emitting module and optical pickup apparatus and method employing the same

#102
20050111516
2005-05-26

Optical pickup apparatus

#103
20050111337
2005-05-26

Optical pickup apparatus

#104
20050105446
2005-05-19

Optical pickup apparatus

#105
20050094541
2005-05-05

Light emitting module and optical pickup apparatus and method employing the same

#106
20050063263
2005-03-24

Compatible optical pickup apparatus

#107
20050008296
2005-01-13

Optical near-field generating element and optical apparatus including the same

#108
20050007931
2005-01-13

Optical pickup device

#109
20050002314
2005-01-06

Optical pickup device