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7450488 Apparatus and method for manufacturing optical disks, apparatus and method for recording data on optical disks, apparatus and method for reproducing data from optical disks, and optical disk  
Described herewith is an optical disk manufacturing apparatus for reading recorded digital data from an optical disk, comprising an encryption unit ( 22, 23 ) for encrypting entered digital data...
7397748 Optical recording medium, recording method and apparatus for optical recording medium and reproducing method and apparatus  
An optical recording medium having a track including plural pits formed based on first data and lands defined between neighboring pits, these pits are deformed as they are recorded based on second...
7388816 Data reproducing apparatus including subsignal generated from ID information  
Described herewith is an optical disk manufacturing apparatus for reading recorded digital data from an optical disk, comprising an encryption unit ( 22, 23 ) for encrypting entered digital data...
7376073 Optical storage medium having distortion regions, and a method of modifying an optical storage medium to include distortion regions  
Theft, distribution, and piracy of digital content on optical media (software, video, audio, e-books, any content of any kind that is digitally stored and distributed) is often accomplished by...
7372790 Apparatus and method for manufacturing optical disks, apparatus and method for recording data on optical disks, apparatus and method for reproducing data from optical disks, and optical disks, and optical disk formed with pit strings and mark strings  
Described herewith is an optical disk manufacturing apparatus for reading recorded digital data from an optical disk, comprising an encryption unit ( 22, 23 ) for encrypting entered digital data...
7369625 Apparatus and method for slicing RF signal and compensating for the slice level of RF signal in disk drive  
An apparatus and method for slicing an RF signal and compensating for the slice level of an RF signal reproduced from a disk, which minimizes a block error rate by optimizing the slice level of the...
7355949 Apparatus and method for manufacturing optical disks, apparatus and method for recording data on optical disks, apparatus and method for reproducing data from optical disks, and optical disk formed with pit strings and mark strings with radial deviation features  
Described herewith is an optical disk manufacturing apparatus for reading recorded digital data from an optical disk, comprising an encryption unit ( 22, 23 ) for encrypting entered digital data...
7286447 Recording and/or reproducing apparatus and method of controlling the same  
A recording and/or reproducing apparatus and a method of controlling the same. The method of controlling the apparatus for recording information in or reproducing information from a disc having a...
7221632 Optical disc system and related detecting methods for analysis of microscopic structures  
An optical disc system includes a photo detector circuit of an optical disc drive and a signal processing system. The photo detector circuit is configured to generate at least one...
7200088 System and method of detecting investigational features related to a sample  
An optical disc system includes a photo detector circuit of an optical disc drive and a signal processing system. The photo detector circuit is configured to generate at least one...
7181673 Codeword for use in digital optical media and a method of generating therefor  
A codeword for use in error correction of digital optical media, the codeword having a plurality of data symbols and a plurality of parity symbols, and includes an augmented channel word which can...
7154823 Apparatus and method for manufacturing optical disks, apparatus and method for recording data on optical disks, apparatus and method for reproducing data from optical disks, and optical disks formed with pits strings and mark strings  
Described herewith is an optical disk manufacturing apparatus for reading recorded digital data from an optical disk, comprising an encryption unit ( 22, 23 ) for encrypting entered digital data...
7151726 Apparatus and method for manufacturing optical disks, apparatus and method for recording data on optical disks, apparatus and method for reproducing data from optical disks, and optical disks formed with pits strings and mark strings  
Described herewith is an optical disk manufacturing apparatus for reading recorded digital data from an optical disk, comprising an encryption unit ( 22, 23 ) for encrypting entered digital data...
7149162 Apparatus and method for manufacturing optical disks, apparatus and method for recording data on optical disks, apparatus and method for reproducing data from optical disks, and optical disks formed with pits strings and mark strings  
Described herewith is an optical disk manufacturing apparatus for reading recorded digital data from an optical disk, comprising an encryption unit ( 22, 23 ) for encrypting entered digital data...
7149161 Apparatus and method for optically recording sub data through radial deviation of pits or marks  
Described herewith is an optical disk manufacturing apparatus for reading recorded digital data from an optical disk, comprising an encryption unit ( 22, 23 ) for encrypting entered digital data...
7110544 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk  
Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded...
7103781 OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK  
Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded...
7099258 Optical recording medium, recording apparatus and method for optical recording medium, and reproducing apparatus and method for optical recording medium  
Audio data of 20 bits is separated into first data of upper 16 bits and second data of lower 4 bits. EFM modulation data is formed from the first data. A laser beam is on/off controlled in...
7095697 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk  
Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded...
7092351 Optical recording medium, optical recording medium producing apparatus and optical recording medium producing method  
The present invention provides an optical recording medium, in which levels of wobble signals extracted from a recording area formed snakily, a reproduction exclusive area and an impossible area...
7092333 Device and program for checking optical disks  
A plurality of tracks on an optical disk are optically read to obtain a signal containing a plurality of LOW segments. Each of the plurality of LOW segments should correspond to a certification...
7061594 Disc drive system and methods for use with bio-discs  
An optical disc drive for reading encoded information, such as on a CD, CD-R, or DVD, is modified to read biological or chemical investigational features from a disc. The modifications can include...
7050383 Optical recording medium recorded with information in depth direction, and method and apparatus of reproduction therefrom  
An optical disk has a lead-in region provided at the inner circumference side and a user region provided at the outer circumference side. Pit string 3 of pits of different depths is formed in the...
7039188 Optical disc authentication method and apparatus  
The present invention relates to an optical disc authentication method and apparatus. The method, wherein each disc has a plurality of ways and a plurality of sectors in each way, includes the...
7035181 Apparatus and associated methodology of imparting content protection to optically recorded data for secure reproduction  
Described herewith is an optical disk manufacturing apparatus for reading recorded digital data from an optical disk, comprising an encryption unit ( 22, 23 ) for encrypting entered digital data...
7012879 Optical disc, reproduction apparatus, and disc identifier selecting apparatus  
An optical disc includes a processed area that has been processed by the irradiation of a YAG laser. Concave pits and convex pits having a length 3T–14T (T=0.133 μm) are formed in an area of the...
7012869 Optical disc, reproduction apparatus, and disc identifier selecting apparatus  
An optical disc includes a processed area that has been processed by the irradiation of a YAG laser. Concave pits and convex pits having a length 3T–14T (T=0.133 μm) are formed in an area of the...
6987715 Apparatus and associated methodology of imparting content protection to optically recorded data for secure reproduction  
Described herewith is an optical disk manufacturing apparatus for reading recorded digital data from an optical disk, comprising an encryption unit ( 22, 23 ) for encrypting entered digital data...
6901042 Optical disc, having a certification pit for certifying that data recording thereon is original  
An optical disc includes a processed area that has been processed by the irradiation of a YAG laser. Concave pits and convex pits having a length 3T-14T (T=0.133 μm) are formed in an area of the...
6862685 OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK  
Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded...
6826137 Apparatus and method for authentication/copy protection of optical storage medium and the optical storage medium  
The method of recording data in a copy protected manner on an optical disk modifies at least a first signal in a data such that the modified first signal is reproduced as one of a plurality of...
6820229 Codeword for use in digital optical media and a method of generation thereof  
A codeword and a method for generating a codeword is provided. The codeword may be used in error correction of digital optical media and DVDs, the codeword having a plurality of data symbols and a...
6813237 Optical recording medium having a plurality of meandering groove tracks, optical recording medium producing apparatus and optical recording medium producing method  
The present invention provides an optical recording medium, in which levels of wobble signals extracted from a recording area formed snakily, a reproduction exclusive area and an impossible area...
6810004 Optical recording medium, recorder for optical recording medium, method for recording the same, reproducing device and reproducing method therefor  
In an optical recording medium having a track including plural pits formed based on first data to be recorded and lands defined between neighboring pits, these pits are recorded as they are...
6801490 Optical recording medium, device and method for recording optical recording medium, and device and method for reproducing optical recorded medium  
Audio data of 20 bits is separated into first data of upper 16 bits and second data of lower 4 bits. EFM modulation data is formed from the first data. A laser beam is on/off controlled in...
6775227 Optical disk authenticity checking based on precision of a physical feature  
An optical disk includes a feature forming area 11 and a criterion recording area 12 . The feature forming area 11 is an area provided with physical features used for determining whether it is...
6767695 CDROM copy protection  
A method of forming an optical disc, and an optical disc formed, so as to facilitate identifying unauthorized copies of the disc by using a defined procedure for reading the disc. The method...
6757391 OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON A OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK  
Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded...
6728882 OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK  
Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded...
6646967 Method for making copy protected optical discs  
A machine-non-readable defect is formed on a CD-ROM by re-modulation of a master cutting laser beam recorder. Re-modulation in specific program areas creates non-readable marks which interfere with...
6621781 Copy protection system and method for optical disks and a copy protected optical disk  
The method and apparatus for copy protecting an optical disk records test data, including modified first signals, on an optical disk such that, when reproduced, random ones of these modified first...
6618347 OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK  
Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded...
6600706 OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK  
Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded...
6580682 System for copy protection of recorded information  
An information carrier includes information arranged according to a recorded format. The information includes format information indicative of parameters of the recording format such as start and...
6552969 OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK  
Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded...
6480960 OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK  
A barcode is formed on an optical disk. An optical disk is provided which has a control data area and an identifier for indicating the presence or absence of the barcode in the control data area. A...
6470452 OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK  
Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded...
6457128 OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK  
Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded...
6452885 Copy protection system and method for optical disks and a copy protected optical disk  
The method and apparatus for copy protecting an optical disk records test data, including modified first signals, on an optical disk such that, when reproduced, random ones of these modified first...
6449366 OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK  
A barcode is formed on an optical disk. The optical disk is provided with a control data area and an identifier for indicating the presence or absence of the barcode in the control data area. A...
Matches 1 - 50 out of 72 1 2 >