ClassID:

198108

G11B7/135 - 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

Sub-classes:
Recent Application in this class:
#1
20250264664
2025-08-21

WAVEGUIDE NETWORK

#2
20240304216
2024-09-12

Optical data transfer

#3
20240257834
2024-08-01

Holographic storage

#4
20240144969
2024-05-02

HOLOGRAPHIC STORAGE

#5
20230360674
2023-11-09

Holographic storage

#6
20230147804
2023-05-11

Optical path correction subassembly, optical detection assembly, and optical detection system

#7
20230120717
2023-04-20

Holographic storage

#8
20230104873
2023-04-06

Optical data transfer

#9
20230048079
2023-02-16

Waveguide network

#10
20190325909
2019-10-24

Optical disc and optical disc device

#11
20190035425
2019-01-31

Reproducing apparatus and reproducing method

#12
20190025631
2019-01-24

Optical film

#13
20190025630
2019-01-24

Optical film for liquid crystal display

#14
20180341081
2018-11-29

Low stress mounting configuration for optical component

#15
20180268857
2018-09-20

Optical disc and optical disc device

#16
20180096702
2018-04-05

Thermally-assisted magnetic recording head having symmetric optical side shields

#17
20170294204
2017-10-12

Optical disc and optical disc device

#18
20170162221
2017-06-08

Optical Information Recording/Reproduction Device and Optical Information Recording/Reproduction Method

#19
20170133049
2017-05-11

Optical medium reproduction device and optical medium reproduction method

#20
20160259162
2016-09-08

Protective member and method for using protective member

#21
20160196849
2016-07-07

Holographic data storage system

#22
20160118077
2016-04-28

OPTICAL TAPE DATA STORAGE

#23
20150318012
2015-11-05

Optical information reproduction apparatus and optical information reproduction method

#24
20150170696
2015-06-18

All-optical magnetic recording system using FeMnPt media

#25
20140355404
2014-12-04

Optical medium reproducing apparatus and optical medium reproducing method

#26
20140341006
2014-11-20

Information reproducing apparatus and information reproducing method

#27
20140269244
2014-09-18

Optical head, objective lens, optical disc device, computer, optical disc player, and optical disc recorder

#28
20140109117
2014-04-17

Optical pickup and optical disk device

#29
20140101678
2014-04-10

Optical pick up including protrusion portion to position optical element

#30
20130272106
2013-10-17

Optical disk device and optical disk device adjusting method

#31
20130229898
2013-09-05

Optical pickup device and optical disc apparatus for recording and reproducing information on and from optical disc including plurality of recording layers

#32
20130205309
2013-08-08

Photodetector unit, optical pickup including the photodetector unit, and optical system including the optical pickup

#33
20130107693
2013-05-02

Optical pickup apparatus

#34
20120195180
2012-08-02

OPTICAL PICKUP APPARATUS

#35
20120193504
2012-08-02

Optical element holder and optical pickup provided with same

#36
20110216641
2011-09-08

Optical pick-up

#37
20100061213
2010-03-11

OPTICAL HOLOGRAPHIC DEVICE AND METHOD WITH GAIN COMPENSATION

#38
20100016542
2010-01-21

Molding material, use thereof, and process for producing molding material

#39
20090207716
2009-08-20

Optical pickup apparatus

#40
20090073850
2009-03-19

OPTICAL DATA STORAGE DEVICE

#41
20080239428
2008-10-02

NON-FT PLANE ANGULAR FILTERS

#42
20080205203
2008-08-28

Optical head having dual optical paths

#43
20080106994
2008-05-08

Optical storage system

#44
20080101200
2008-05-01

OPTICAL PICKUP DEVICE AND OPTICAL DISC APPARATUS

#45
20080087802
2008-04-17

OPTICAL PICKUP DEVICE

#46
20080037399
2008-02-14

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

#47
20070002715
2007-01-04

Hologram device and hologram recording/reproducing method

#48
20060294536
2006-12-28

First surface removable optical disc within a cartridge

#49
20060221799
2006-10-05

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

#50
20060198278
2006-09-07

Near-field optical storage medium and optical data storage system therefor

#51
20060126141
2006-06-15

Holographic recording medium and holographic recording medium manufacturing method

#52
20060109535
2006-05-25

Angle-multiplexing hologram recording device, method, hologram reproduction device, and method

#53
20060050621
2006-03-09

Optical scanning device

#54
20060050620
2006-03-09

Optical scanning device

#55
20060018233
2006-01-26

Read write device for optical memory and method therefore

#56
20060007839
2006-01-12

OPTICAL RECORDING MEDIUM AND MASTER DISC FOR MANUFACTURING OPTICAL RECORDING MEDIUM

#57
20060007836
2006-01-12

Optical recording medium and master disc for manufacturing optical recording medium

#58
20060002275
2006-01-05

Optical head

#59
20050232125
2005-10-20

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

#60
20050226126
2005-10-13

Optical pick-up and optical recording medium recording/reproduction apparatus

#61
20050128925
2005-06-16

Optical storage device and reading method for optical storage medium

#62
20050018260
2005-01-27

Holographic recording medium and holographic recording medium manufacturing method