ClassID:

198013

G11B7/0055 - 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; Recording, reproducing or erasing methods; Read, write or erase circuits therefor Erasing

Sub-classes:
Recent Application in this class:
#1
20190279676
2019-09-12

Information recording device and data erasing method

#2
20180315451
2018-11-01

METADATA PROCESSING FOR AN OPTICAL MEDIUM

#3
20170194027
2017-07-06

Information recording device and data erasing method

#4
20140177369
2014-06-26

Optical data store and method for storage of data in an optical data store

#5
20140126343
2014-05-08

Rotary head data storage and retrieval system and method for data erasure

#6
20130100791
2013-04-25

Optical information recording medium and optical information recording method

#7
20100290330
2010-11-18

APPARATUS AND METHOD FOR PERMANENTLY DELETING DATA OF OPTICAL DISK

#8
20100214900
2010-08-26

METHOD FOR DELETING DATA OF OPTICAL DISK AND OPTICAL DISK DRIVE INCLUDING OPTICAL DISK EMULATION

#9
20100097915
2010-04-22

OPTICAL DATA STORE AND METHOD FOR STORAGE OF DATA IN AN OPTICAL DATA STORE

#10
20100020665
2010-01-28

Method and device for recording marks representing data in an information layer of an optical record carrier

#11
20090092025
2009-04-09

APPARATUS AND METHOD FOR ERASING STORAGE MEDIUM

#12
20080259778
2008-10-23

Process for intentional deterioration of the contents of an optical recording medium

#13
20080205218
2008-08-28

Optical disc drive and method for processing recorded data

#14
20080130459
2008-06-05

Information Recording Apparatus and Method, and Computer Program

#15
20080089204
2008-04-17

Optical disc recording apparatus and recording power control method

#16
20080008072
2008-01-10

Method for Disposing of a Data Recording Means

#17
20070109618
2007-05-17

Holographic recording medium, holographic record erasing method, and holographic recording and reproducing apparatus

#18
20070064547
2007-03-22

Optical disc recorder

#19
20070058506
2007-03-15

Apparatus for controlling erasing power level and method using the same

#20
20070058497
2007-03-15

Optical recording device capable of recording file management data into another area of an optical disc

#21
20070047395
2007-03-01

Optical disk shred operation with detection

#22
20070014215
2007-01-18

Reproducing apparatus

#23
20060280096
2006-12-14

Erasing holographic media

#24
20060275670
2006-12-07

Post-curing of holographic media

#25
20060203693
2006-09-14

Optical disc apparatus and method of erasing information recorded thereon

#26
20060203645
2006-09-14

Apparatus and method of determining a power parameter for writing/erasing information on an optical medium

#27
20060087939
2006-04-27

Optical disc device

#28
20060023596
2006-02-02

Information recording medium, information recording/reproducing apparatus and information management method

#29
20050270950
2005-12-08

Method of erasing an erasable disc

#30
20050265190
2005-12-01

Recording apparatus

#31
20050219982
2005-10-06

Method and device for recording marks representing data in an information layer of an optical record carrier

#32
20050175808
2005-08-11

Optical information recording medium and optical recording method

#33
20050169122
2005-08-04

Storage apparatus, recording medium recording a storage medium destruction program, and storage medium destruction method

#34
20050157616
2005-07-21

Data recording apparatus, data recording method, and optical recording medium including pseudo-erasing features

#35
20050152243
2005-07-14

Data recording apparatus, data recording method, and optical recording medium including pseudo-erasing features

#36
20050152242
2005-07-14

Data recording apparatus, data recording method, and optical recording medium including pseudo-erasing features

#37
20050111270
2005-05-26

Optical data store and method for storage of data in an optical data store

#38
20050094522
2005-05-05

Optical disk data erasing apparatus and optical disk data erasing method

#39
20050094521
2005-05-05

Optical disk data erasing apparatus and optical disk data erasing method

#40
20050088941
2005-04-28

Method for erasing a re-writable disk

#41
20050013231
2005-01-20

Hologram erasing method and hologram erasing apparatus