ClassID:

198111

G11B7/1359 - 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 Single prisms

Recent Application in this class:
#1
20260148751
2026-05-28

Compact Writing and Reading Head for Hyper Speed Data Recording on Ceramic Material

#2
20160111123
2016-04-21

OPTICAL INFORMATION RECORDING/REPRODUCTION DEVICE AND ADJUSTMENT METHOD

#3
20160041525
2016-02-11

Holographic memory device

#4
20120294130
2012-11-22

DATA STORAGE DEVICE

#5
20120099414
2012-04-26

OPTICAL PICKUP DEVICE

#6
20120069722
2012-03-22

Reproducing device and optical path length servo control method

#7
20120069721
2012-03-22

RECORDING HEAD AND RECORDER

#8
20120020197
2012-01-26

Optical pickup device

#9
20120008483
2012-01-12

OPTICAL HEAD AND OPTICAL DISC APPARATUS

#10
20110182164
2011-07-28

Optical head

#11
20110170397
2011-07-14

Optical pickup apparatus

#12
20110019510
2011-01-27

RECORDING HEAD AND RECORDER

#13
20100329102
2010-12-30

Optical pickup device

#14
20100329101
2010-12-30

OPTICAL PICKUP DEVICE

#15
20100238782
2010-09-23

Optical pickup, optical information recording method, and optical disc apparatus

#16
20100208557
2010-08-19

Optical Head and Optical Recording Device

#17
20100182664
2010-07-22

Hologram recorder

#18
20100090113
2010-04-15

METHOD AND APPARATUS FOR RETRIEVING INFORMATION FROM OPTICAL STORAGE MEDIUM

#19
20100074083
2010-03-25

RESIN COMPOSITION AND MOLDED PRODUCT OBTAINED BY MOLDING THE RESIN COMPOSITION

#20
20100034072
2010-02-11

FRESNEL MEMBER HAVING VARIABLE SAG FOR MULTIPLE WAVELENGTH OPTICAL SYSTEM

#21
20090316539
2009-12-24

Optical head and optical disk apparatus

#22
20090147661
2009-06-11

Optical information processing apparatus, optical pick-up device and optical recording disc system

#23
20090073857
2009-03-19

Optical pickup apparatus

#24
20090046334
2009-02-19

HROM replication methods, devices or systems, articles used in same and articles generated by same

#25
20080267038
2008-10-30

Optical device for holographic recording or reading and method for controlling the same

#26
20080253261
2008-10-16

Optical Pickup Having Aberration Correction

#27
20080218820
2008-09-11

Device for holographic storage

#28
20080205246
2008-08-28

Optical head and optical disk device

#29
20080205212
2008-08-28

OPTICAL HEAD APPARATUS, INFORMATION RECORDING/REPRODUCING APPARATUS INCLUDING THE OPTICAL HEAD APPARATUS, AND INFORMATION RECORDING/REPRODUCING METHOD

#30
20080197263
2008-08-21

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

#31
20080192590
2008-08-14

Information recording apparatus and information reproduction apparatus utilizing light

#32
20080192318
2008-08-14

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

#33
20080192317
2008-08-14

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

#34
20080181089
2008-07-31

OPTICAL PICKUP

#35
20080163278
2008-07-03

Optical head apparatus and optical information apparatus

#36
20080159089
2008-07-03

Optical head and optical disk apparatus

#37
20080130471
2008-06-05

Optical pickup and optical disk apparatus

#38
20080130469
2008-06-05

Optical pickup device and optical disc apparatus

#39
20080130463
2008-06-05

Information recording apparatus and information reproducing apparatus

#40
20080117790
2008-05-22

Optical pickup device

#41
20080112302
2008-05-15

Beam shifting element for an optical storage system

#42
20080101195
2008-05-01

Optical head and optical disc device

#43
20080084806
2008-04-10

Optical recording medium, recording method of information on optical recording medium and reproducing method thereof

#44
20080049569
2008-02-28

Optical pickup device

#45
20080030826
2008-02-07

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

#46
20070263521
2007-11-15

Optical pickup and optical disk apparatus

#47
20070230323
2007-10-04

Recording head and recorder

#48
20070230288
2007-10-04

Recording head and recorder

#49
20070195677
2007-08-23

OPTICAL PICKUP, OPTICAL DISK DRIVE HAVING THE SAME, AND METHOD OF BONDING OPTICAL COMPONENT TO THE SUBSTRATE THEREOF

#50
20070189145
2007-08-16

Optical pickup device, optical disc device and prism

#51
20070189141
2007-08-16

Optical disk device, and focused layer discriminating method of optical disk

#52
20070171786
2007-07-26

Optical pickup apparatus and optical disk apparatus

#53
20070165510
2007-07-19

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

#54
20070147218
2007-06-28

Optical element, optical pickup unit, and optical disk drive unit

#55
20070064576
2007-03-22

Optical pickup device and optical disk drive using the same

#56
20070036058
2007-02-15

Method and unit for separating light and optical pickup device and optical recording/playback apparatus based thereon

#57
20070014196
2007-01-18

Optical head and disk reproducing apparatus

#58
20060291022
2006-12-28

Optical delay line in holographic drive

#59
20060285473
2006-12-21

Optical pickup unit

#60
20060280057
2006-12-14

Integrated type optical head with sheet waveguide and light coupler

#61
20060279822
2006-12-14

Methods and systems for laser mode stabilization

#62
20060262700
2006-11-23

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

#63
20060256698
2006-11-16

Optical scanning device

#64
20060256697
2006-11-16

Optical head and optical head device

#65
20060233081
2006-10-19

Optical pickup device

#66
20060227335
2006-10-12

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

#67
20060226432
2006-10-12

Semiconductor integrated device

#68
20060209660
2006-09-21

Optical pickup device and optical disk drive using the same

#69
20060193234
2006-08-31

Optical pick-up apparatus and optical disk apparatus incorporating the optical pick-up apparatus

#70
20060158977
2006-07-20

Optical element, optical pickup unit, and optical disk drive unit

#71
20060120246
2006-06-08

Optical pickup head for optical recording media

#72
20060114580
2006-06-01

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

#73
20060098552
2006-05-11

Optical information processing apparatus, optical pick-up device and optical recording disc system

#74
20060081761
2006-04-20

Optical pickup apparatus and optical disk apparatus

#75
20060028935
2006-02-09

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

#76
20060007810
2006-01-12

Optical pickup system and information recording and/or reproducing apparatus employing the same

#77
20050276179
2005-12-15

Optical pickup system and information recording and/or reproducing apparatus employing the same

#78
20050270912
2005-12-08

Optical pickup and apparatus for recording and/or reproducing optical recording medium

#79
20050265201
2005-12-01

Integrated type light-emitting and light-receiving element, optical pickup device for optical information medium and optical disc apparatus

#80
20050232117
2005-10-20

SYNTHETIC NUMERICAL APERTURE DEVICE AND METHOD

#81
20050226125
2005-10-13

Optical element and optical pickup device

#82
20050201220
2005-09-15

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

#83
20050201218
2005-09-15

Optical scanning device

#84
20050163017
2005-07-28

Optical pickup device with a plurality of laser couplers

#85
20050146998
2005-07-07

Optical pickup device capable of correcting spherical aberration

#86
20050146762
2005-07-07

Obliquity correction scanning using a prism mirror

#87
20050117500
2005-06-02

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

#88
20050117486
2005-06-02

Optical pickup unit and optical disk unit

#89
20050094541
2005-05-05

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

#90
20050083827
2005-04-21

Optical head and optical head device

#91
20050030875
2005-02-10

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

#92
20050025002
2005-02-03

Optical head and recording and/or reproducing apparatus employing same