198012 ⎘
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
Recording medium, recording apparatus, and reading apparatus
#602Recording medium, recording apparatus, and reading apparatus
#603Method and apparatus for controlling recording laser power
#604Recording medium, recording apparatus, and reading apparatus
#605Apparatus and associated methodology of imparting content protection to optically recorded data for secure reproduction
#606Wobble signal reproducing device and method
#607Apparatus and method for detecting a pre-pit signal
#608Optical recording medium with different wobble characteristics between the user data area and the lead-out area
#609Optical recording medium, apparatus for recording/reproducing data on/from optical recording medium, and method of recording/reproducing data on/from optical recording medium
#610Wobble signal extracting circuit and optical disk drive
#611Land Pre-Pit data detection apparatus and method thereof
#612Information 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
#613Information 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
#614Information recording medium and method and apparatus for information reproducing
#615Recordable optical recording medium containing preinstalled information, the method of reading the same, and the circuit thereof
#616Optical recording system capable of switching from a constant angular velocity recording mode to a constant linear velocity recording mode
#617Recording/reproduction apparatus which adjusts recording power based on a partial response maximum likelihood (PRML) technique
#618PLL circuit and an optical disk apparatus thereof
#619Method and apparatus for slip protection of DVD-RAM drive's seek control
#620Disk player
#621Mastering device, disc manufacturing method, disc-shaped recording medium, disc reproduction device, and disc reproduction method
#622Phase difference correction apparatus and data reproduction apparatus including data header detection apparatus
#623Pre-pit information-detecting apparatus, optical-information detecting apparatus, program, and computer-readable information-recording medium
#624Apparatus and method for optical disk drive signal processing
#625Optical disc recording and reproduction apparatus having automatic gate signal generation modes
#626Method for decoding address in pre-groove data of an optical disc drive
#627Data reading device and pre-pit detection circuit
#628Method and apparatus for header detection and protection
#629Address data detecting apparatus and address data detecting method
#630Optical disc apparatus, access method, program and semiconductor integrated circuit
#631Information recording medium, usage management method, and usage management apparatus
#632Optical disk with a plurality of radially extending marks for recording reflectance data of the optical disk
#633Recording medium with restricted playback feature and apparatus and methods for forming, recording, and reproducing the recording medium
#634Write clock generating circuit and optical disk apparatus
#635Optical disc having uniform structure
#636Information recording medium, method and apparatus for recording and reproducing information
#637Address signal position detection apparatus, optical disk playback apparatus, and address signal position detection method
#638Playback apparatus and method, and optical disk player
#639Optical disk reproduction apparatus and optical disk reproduction method
#640Method and apparatus for recording optical information including dummy data, and optical disk having such data recorded thereon
#641Demodulator and data recorder containing same
#642Wobbling signal demodulation method, wobbling signal demodulation circuit, and optical disk drive
#643Information recording medium, information recording/reproducing apparatus and information reproducing method
#644Land pre-pit address demodulating device
#645Information recording medium and information recording/reproducing apparatus
#646Appliance for recording or playing back information having means for detecting or moving the scanning location on a disc with a wobble track
#647Single VCO/loop filter to control a wobble and read circuit of a DVD and/or CD recorder
#648Recording medium and recording/reproducing apparatus
#649Phase adjustment circuit and demodulation circuit
#650Wobble signal demodulation circuit and optical disk apparatus
#651Reproduction device and method wherein detection of sub-data generated within a controlled time period controls appropriate decryption
#652Aberration adjustment device, method thereof, optical pickup, and optical information recording apparatus
#653Detector for detecting information carried by a signal having a sawtooth-like shape
#654Method of detecting land pre-pit signal and optical disc player
#655Method for facilitating copyright protection in digital media and digital media made thereby
#656Method of detecting land pre-pit signal and optical disk player
#657Disc discriminating method and information reproducing apparatus using thereof
#658Optical 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
#659DVD reproducing apparatus, disk reproducing apparatus and DVD reproducing method
#660Control circuit for an optical pickup head in an optical disk drive
#661Apparatus and method for detecting land prepit
#662Optical disc reproduction apparatus determining whether optical disc to be reproduced is read-only or recordable
#663Information recording apparatus and optimum recording laser power detecting method
#664Information recording medium having first and second synchronization signals recorded thereon, and information reproducing apparatus and method
#665Optical recording apparatus
#666Information recording medium, and information reproducing apparatus and method
#667Information recording medium having first data which has been displaced according to second data, and information reproducing apparatus and method
#668Wobble signal detecting circuit for optical disk device and wobble signal detecting method
#669Disk recording apparatus and disk recording method
#670Detector for detecting information carried by a signal having a sawtooth-like shape
#671Information recording medium, and information reproducing apparatus and method
#672Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information
#673Optical disk and disk drive used for the same
#674Focus-balance calibration method
#675Information storage medium and method of recording and/or reproducing data on and/or from the same
#676Disk drive device and address detection method with binarized push-pull signal
#677Optical read device, information processing device using optical recording medium, and information reproduction method
#678Method and device for detecting land pre-pits
#679Automatic detecting device for land pre-pits signals
#680System and method for discriminating recording area of optical storage medium
#681Information storage medium and method and apparatus for recording/reproducing data
#682DVD-RAM header or land/groove detection