198686 ⎘
Signal processing not specific to the method of recording or reproducing; Circuits therefor; Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier the key being embossed on the record carrier
Optical disc, and production method and reproduction apparatus for optical disc
#2Optical 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
#3INFORMATION RECORDING MEDIUM, AND METHOD OF MANUFACTURING INFORMATION RECORDING MEDIUM
#4Apparatus for manufacturing information record medium, information record medium, information recording apparatus and information recording method
#5Optical 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
#6Recording medium with optional information and apparatus and methods for forming, recording, reproducing and controlling reproduction of the recording medium
#7Protection of disk data carriers against making illegal copies
#8Recording Medium, Recording/Reproduction Apparatus and Replay Apparatus
#9Record Carrier with Copy Protection Means
#10High-density optical disc, method for recording and reproducing encrypted data thereon
#11Information Recording Medium
#12Information Recording Medium, Information Recording Device and Method, and Computer Program
#13Information recording medium and information recording device and method
#14Recording medium with copy protection indicating information and apparatus and methods for forming, recording, reproducing and restricting reproduction of the recording medium
#15Method of managing copy protection information of a recording medium, recording medium with copy protection information for contents recorded thereon, and reproducing method for the recording medium
#16Optical 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
#17High-density optical disc, method for recording and reproducing encrypted data thereon
#18Apparatus for manufacturing information record medium, information record medium, information recording apparatus and information recording method
#19Apparatus for manufacturing information record medium, information record medium, information recording apparatus and information recording method
#20Information recording medium, information recording/reproducing apparatus and information management method
#21Method of managing copy protection information of a recording medium, recording medium with copy protection information for contents recorded thereon, and reproducing method for the recording medium
#22Optical discs with controllable access times and method of the same