Patents-Review.com
ClassID:

198116 ⎘

G11B7/1372 - 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 Lenses

Sub-classes:
Recent Application in this class:
#1
20230223046
2023-07-13

Data read/write apparatus and electronic device

 #2
20210201948
2021-07-01

Holographic data storage device with single-arm structure

 #3
20200233125
2020-07-23

System and method for forming diffracted optical element having varied gratings

 #4
20200166681
2020-05-28

System and method for forming diffracted optical element having varied gratings

 #5
20190212480
2019-07-11

System and method for forming diffracted optical element having varied gratings

 #6
20180226097
2018-08-09

Optical information recording medium having first and second pit row of identical reflectance

 #7
20180151194
2018-05-31

Image display device and light guiding device with diffraction elements

 #8
20170365289
2017-12-21

Optical information recording medium having first and second pit rows of identical reflectance

 #9
20170221518
2017-08-03

Optical information recording medium and reproduction method

 #10
20170117011
2017-04-27

Optical medium reproduction apparatus and optical medium reproduction method

 #11
20160365107
2016-12-15

Information recording device and information recording method

 #12
20160196849
2016-07-07

Holographic data storage system

 #13
20150036474
2015-02-05

Shape-variable optical element and optical read/write device including the same

 #14
20140233116
2014-08-21

Optical element, holding structure therefor, and optical device

 #15
20140140185
2014-05-22

Playback device and playback method

 #16
20140078877
2014-03-20

Detection lens, lens unit, optical pickup device, optical disc device, computer, optical disc player and optical disc recorder

 #17
20130051208
2013-02-28

Optical pick-up device and optical component for the same

 #18
20120307620
2012-12-06

Light source device, optical pickup, and recording device

 #19
20120272254
2012-10-25

OPTICAL PICKUP DEVICE AND OPTICAL DISC APPARATUS

 #20
20120094066
2012-04-19

INTEGRATED MICRO-OPTICAL SYSTEMS AND CAMERAS INCLUDING THE SAME

 #21
20110292782
2011-12-01

Optical pickup apparatus

 #22
20100238782
2010-09-23

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

 #23
20100085861
2010-04-08

LENS SYSTEM FOR SCANNING DEVICE

 #24
20100074083
2010-03-25

RESIN COMPOSITION AND MOLDED PRODUCT OBTAINED BY MOLDING THE RESIN COMPOSITION

 #25
20100014138
2010-01-21

High Areal Density Holographic Data Storage System

 #26
20090135391
2009-05-28

Method of forming a locally periodic 3D structure with larger-scale variation in periodic properties and applications thereof

 #27
20090075806
2009-03-19

Optical glass

 #28
20090075013
2009-03-19

THREE-DIMENSIONAL RECORDING AND REPRODUCING APPARATUS

 #29
20090046337
2009-02-19

Method of recording and reading angle-multiplexed holograms that compensates for media shrinkage

 #30
20080309999
2008-12-18

Holographic recording device

 #31
20080267040
2008-10-30

Two-dimensional digital data acquisition element and holographic storage apparatus

 #32
20080144196
2008-06-19

Optical unit and its manufacturing method

 #33
20080136955
2008-06-12

INTEGRATED CAMERA AND ASSOCIATED METHODS

 #34
20080128844
2008-06-05

Integrated micro-optical systems and cameras including the same

 #35
20080037399
2008-02-14

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

 #36
20080018969
2008-01-24

Optical Integrated Unit Including Hologram Element and Optical Pickup Device

 #37
20070236763
2007-10-11

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

 #38
20070210238
2007-09-13

Optical pickup apparatus which records and/or reproduces information using different types of optical information recording mediums

 #39
20070206085
2007-09-06

Optical print head using a glass arm waveguide

 #40
20060233071
2006-10-19

Optical head device and optical information apparatus using the same

 #41
20060221799
2006-10-05

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

 #42
20060215505
2006-09-28

Optical head device and optical information apparatus using the same

 #43
20060176574
2006-08-10

Variable beam shaping element

 #44
20060152783
2006-07-13

High areal density holographic data storage system

 #45
20060144813
2006-07-06

Method of making optical elements for an optical disc system

 #46
20060083145
2006-04-20

Compatible optical pickup using light sources following a common optical path

 #47
20060013106
2006-01-19

Scanning apparatus for fluorescent multi-layer storage

 #48
20060002276
2006-01-05

Optical disc apparatus

 #49
20050233141
2005-10-20

Optical disc having lenticular surface and method of manufacturing

 #50
20050219670
2005-10-06

Holographic data storage system

 #51
20050201226
2005-09-15

Apparatus and method of compensating for tilt and/or defocus of a disc during recording

 #52
20050190460
2005-09-01

Molded lens having an outer circumference and first and second optical surfaces with cut off peripheral portions, and molding die for the molded lens

 #53
20050152050
2005-07-14

Lens unit

 #54
20050084950
2005-04-21

Optical scanning device

 #55
20050047315
2005-03-03

Semiconductor laser light source device and optical pickup device

 #56
15894778
2019-03-19

Data storage using light of spatially modulated phase and polarization

 #57
13670936
2014-04-01

Method and apparatus for determining the cleanliness of a lens in an optical disc drive