Patents-Review.com
ClassID:

198166 ⎘

G11B7/24073 - 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; Record carriers characterised by shape, structure or physical properties, or by the selection of the material; Tracks or pits; Shape, structure or physical properties thereof Tracks

Sub-classes:
Recent Application in this class:
#1
20230051058
2023-02-16

OPTICAL TRACK FORMAT FOR HOLOGRAPHIC STORAGE OPTICAL DISC AND ENCODING METHOD THEREOF

 #2
20190108854
2019-04-11

High density optical recording medium having multiple recording layers

 #3
20180286454
2018-10-04

High density optical disk processing apparatus, method, and computer-readable medium

 #4
20180197572
2018-07-12

Optical recording medium having a plurality of recording layers capable of suppressing off-track

 #5
20180174607
2018-06-21

Optical disc having a plurality of recording layers

 #6
20170011767
2017-01-12

Optical recording medium having a plurality of recording layers capable of suppressing off-track

 #7
20160372149
2016-12-22

Metal transmissive incremental encoding disk with index generation

 #8
20160372148
2016-12-22

Optical disc having a plurality of recording layers

 #9
20160365108
2016-12-15

Optical medium having a linear track

 #10
20160055877
2016-02-25

BLU-RAY DISC FROM RECYCLED DISC MANUFACTURING MATERIALS AND A METHOD OF MANUFACTURING THE SAME

 #11
20150380041
2015-12-31

Optical disc information device and information processing device

 #12
20150318013
2015-11-05

Multilayer optical information recording disk and method for manufacturing same

 #13
20150255107
2015-09-10

Tape recording medium, information recording/reproducing device, and method of manufacturing tape recording medium

 #14
20140362675
2014-12-11

EXPOSURE DEVICE, RECORDING MEDIUM, RECORDING DEVICE, AND REPRODUCING DEVICE

 #15
20140153374
2014-06-05

Optical disc with pre-recorded and recordable regions and method of forming the disc

 #16
20140146655
2014-05-29

Optical disc with pre-recorded and recordable regions and method of forming the disc

 #17
20140130067
2014-05-08

Rotary head data storage and retrieval system and method with tape medium having transverse primary data tracks and longitudinal secondary data track

 #18
20130329541
2013-12-12

Optical information recording medium and optical information recording device

 #19
20130033973
2013-02-07

Optical recording medium, recording/reproducing apparatus, recording/reproducing method

 #20
20130021889
2013-01-24

INFORMATION RECORDING MEDIUM, INFORMATION RECORDING APPARATUS AND METHOD, AND INFORMATION REPRODUCING APPARATUS AND METHOD

 #21
20130021883
2013-01-24

INFORMATION RECORDING MEDIUM, INFORMATION RECORDING APPARATUS AND METHOD, AND INFORMATION REPRODUCING APPARATUS AND METHOD

 #22
20120294131
2012-11-22

Reproducing method and reproducing apparatus

 #23
20070070865
2007-03-29

Digital partial response asymmetry compensation

 #24
15665337
2018-10-16

Servo pattern for precise tracking in optical tapes