ClassID:

198012

G11B7/0053 - page 3 - 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; Reproducing Reproducing non-user data, e.g. wobbled address, prepits, BCA

Recent Application in this class:
#601
20050163035
2005-07-28

Recording medium, recording apparatus, and reading apparatus

#602
20050163034
2005-07-28

Recording medium, recording apparatus, and reading apparatus

#603
20050163007
2005-07-28

Method and apparatus for controlling recording laser power

#604
20050163003
2005-07-28

Recording medium, recording apparatus, and reading apparatus

#605
20050163002
2005-07-28

Apparatus and associated methodology of imparting content protection to optically recorded data for secure reproduction

#606
20050157618
2005-07-21

Wobble signal reproducing device and method

#607
20050157617
2005-07-21

Apparatus and method for detecting a pre-pit signal

#608
20050149961
2005-07-07

Optical recording medium with different wobble characteristics between the user data area and the lead-out area

#609
20050149483
2005-07-07

Optical recording medium, apparatus for recording/reproducing data on/from optical recording medium, and method of recording/reproducing data on/from optical recording medium

#610
20050147016
2005-07-07

Wobble signal extracting circuit and optical disk drive

#611
20050147005
2005-07-07

Land Pre-Pit data detection apparatus and method thereof

#612
20050141869
2005-06-30

Information recording medium, information recording and/or reproducing apparatus and method, and program storage device and computer data signal embodied in carrier wave for controlling record or reproduction

#613
20050141868
2005-06-30

Information recording medium, information recording and/or reproducing apparatus and method, and program storage device and computer data signal embodied in carrier wave for controlling record or reproduction

#614
20050141404
2005-06-30

Information recording medium and method and apparatus for information reproducing

#615
20050141403
2005-06-30

Recordable optical recording medium containing preinstalled information, the method of reading the same, and the circuit thereof

#616
20050141371
2005-06-30

Optical recording system capable of switching from a constant angular velocity recording mode to a constant linear velocity recording mode

#617
20050128911
2005-06-16

Recording/reproduction apparatus which adjusts recording power based on a partial response maximum likelihood (PRML) technique

#618
20050128907
2005-06-16

PLL circuit and an optical disk apparatus thereof

#619
20050128900
2005-06-16

Method and apparatus for slip protection of DVD-RAM drive's seek control

#620
20050128899
2005-06-16

Disk player

#621
20050122889
2005-06-09

Mastering device, disc manufacturing method, disc-shaped recording medium, disc reproduction device, and disc reproduction method

#622
20050122885
2005-06-09

Phase difference correction apparatus and data reproduction apparatus including data header detection apparatus

#623
20050122884
2005-06-09

Pre-pit information-detecting apparatus, optical-information detecting apparatus, program, and computer-readable information-recording medium

#624
20050122875
2005-06-09

Apparatus and method for optical disk drive signal processing

#625
20050122866
2005-06-09

Optical disc recording and reproduction apparatus having automatic gate signal generation modes

#626
20050122864
2005-06-09

Method for decoding address in pre-groove data of an optical disc drive

#627
20050117503
2005-06-02

Data reading device and pre-pit detection circuit

#628
20050117501
2005-06-02

Method and apparatus for header detection and protection

#629
20050117490
2005-06-02

Address data detecting apparatus and address data detecting method

#630
20050111316
2005-05-26

Optical disc apparatus, access method, program and semiconductor integrated circuit

#631
20050105728
2005-05-19

Information recording medium, usage management method, and usage management apparatus

#632
20050105459
2005-05-19

Optical disk with a plurality of radially extending marks for recording reflectance data of the optical disk

#633
20050105432
2005-05-19

Recording medium with restricted playback feature and apparatus and methods for forming, recording, and reproducing the recording medium

#634
20050105424
2005-05-19

Write clock generating circuit and optical disk apparatus

#635
20050099933
2005-05-12

Optical disc having uniform structure

#636
20050099928
2005-05-12

Information recording medium, method and apparatus for recording and reproducing information

#637
20050099911
2005-05-12

Address signal position detection apparatus, optical disk playback apparatus, and address signal position detection method

#638
20050099908
2005-05-12

Playback apparatus and method, and optical disk player

#639
20050094515
2005-05-05

Optical disk reproduction apparatus and optical disk reproduction method

#640
20050088944
2005-04-28

Method and apparatus for recording optical information including dummy data, and optical disk having such data recorded thereon

#641
20050083797
2005-04-21

Demodulator and data recorder containing same

#642
20050078588
2005-04-14

Wobbling signal demodulation method, wobbling signal demodulation circuit, and optical disk drive

#643
20050078576
2005-04-14

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

#644
20050078572
2005-04-14

Land pre-pit address demodulating device

#645
20050073927
2005-04-07

Information recording medium and information recording/reproducing apparatus

#646
20050073922
2005-04-07

Appliance for recording or playing back information having means for detecting or moving the scanning location on a disc with a wobble track

#647
20050068866
2005-03-31

Single VCO/loop filter to control a wobble and read circuit of a DVD and/or CD recorder

#648
20050064131
2005-03-24

Recording medium and recording/reproducing apparatus

#649
20050063492
2005-03-24

Phase adjustment circuit and demodulation circuit

#650
20050063277
2005-03-24

Wobble signal demodulation circuit and optical disk apparatus

#651
20050063265
2005-03-24

Reproduction device and method wherein detection of sub-data generated within a controlled time period controls appropriate decryption

#652
20050063260
2005-03-24

Aberration adjustment device, method thereof, optical pickup, and optical information recording apparatus

#653
20050050406
2005-03-03

Detector for detecting information carried by a signal having a sawtooth-like shape

#654
20050047759
2005-03-03

Method of detecting land pre-pit signal and optical disc player

#655
20050047321
2005-03-03

Method for facilitating copyright protection in digital media and digital media made thereby

#656
20050047318
2005-03-03

Method of detecting land pre-pit signal and optical disk player

#657
20050047300
2005-03-03

Disc discriminating method and information reproducing apparatus using thereof

#658
20050047297
2005-03-03

Optical disc apparatus, information recording method, adjustment apparatus, adjustment method and fabrication method for optical disc apparatus, and method and apparatus for adjusting phase shift amount

#659
20050047289
2005-03-03

DVD reproducing apparatus, disk reproducing apparatus and DVD reproducing method

#660
20050041565
2005-02-24

Control circuit for an optical pickup head in an optical disk drive

#661
20050041563
2005-02-24

Apparatus and method for detecting land prepit

#662
20050036416
2005-02-17

Optical disc reproduction apparatus determining whether optical disc to be reproduced is read-only or recordable

#663
20050036415
2005-02-17

Information recording apparatus and optimum recording laser power detecting method

#664
20050036413
2005-02-17

Information recording medium having first and second synchronization signals recorded thereon, and information reproducing apparatus and method

#665
20050030856
2005-02-10

Optical recording apparatus

#666
20050030855
2005-02-10

Information recording medium, and information reproducing apparatus and method

#667
20050030851
2005-02-10

Information recording medium having first data which has been displaced according to second data, and information reproducing apparatus and method

#668
20050025009
2005-02-03

Wobble signal detecting circuit for optical disk device and wobble signal detecting method

#669
20050025006
2005-02-03

Disk recording apparatus and disk recording method

#670
20050018576
2005-01-27

Detector for detecting information carried by a signal having a sawtooth-like shape

#671
20050018573
2005-01-27

Information recording medium, and information reproducing apparatus and method

#672
20050018567
2005-01-27

Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information

#673
20050018565
2005-01-27

Optical disk and disk drive used for the same

#674
20050018559
2005-01-27

Focus-balance calibration method

#675
20050007941
2005-01-13

Information storage medium and method of recording and/or reproducing data on and/or from the same

#676
20050007928
2005-01-13

Disk drive device and address detection method with binarized push-pull signal

#677
20050007638
2005-01-13

Optical read device, information processing device using optical recording medium, and information reproduction method

#678
20050002305
2005-01-06

Method and device for detecting land pre-pits

#679
20050002304
2005-01-06

Automatic detecting device for land pre-pits signals

#680
20050002298
2005-01-06

System and method for discriminating recording area of optical storage medium

#681
20050002296
2005-01-06

Information storage medium and method and apparatus for recording/reproducing data

#682
13010102
2015-10-13

DVD-RAM header or land/groove detection