198728 ⎘
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 measures which change the format of the recording medium said format change concerning the logical format of the recording medium, e.g. the structure of sectors, blocks, or frames wherein the modification to the logical format mainly concerns management data, e.g., by changing the format of the TOC or the subcode
Sub-classes:Magnetic disk device configured to write parity data that is based on data being written to a parity sector when no error is detected in writing the data being written
#2Method and devices for copy protection, copy protected record carrier
#3Method and devices for copy protection, copy protected record carrier
#4ACCESS CONTROLLED OPTICAL DISC AND METHOD THEREFOR
#5Optical disc, playback apparatus for optical disc, and apparatus and method for manufacturing optical disc
#6Access Controlled Optical Disc and Method Therefor
#7METHOD AND APPARATUS FOR SYNTHESIZING OR MODIFYING A COPY PROTECTION SIGNAL USING A LOWERED SIGNAL LEVEL PORTION
#8COPY-PROTECTED OPTICAL STORAGE MEDIA AND METHOD FOR PRODUCING THE SAME
#9Apparatus for and a method of copy-protecting a content carrying recording medium
#10Recordable type information recording medium, information recording apparatus, and information recording method
#11Apparatus for and a method of copy-protecting a content carrying recording medium
#12Apparatus and Method for Digital Content Concealment
#13Information storage medium, information recording method, and information reproducing method
#14Recording medium, recording method and apparatus, reproducing method and apparatus, data transmitting method, and data decrypting method
#15Method of accessing data on a copy protected data carrying disc
#16Recording medium, data recording method and apparatus, data regenerating method and apparatus, and copy control method
#17Optical disc including two different sets of sectors having identical IDs
#18COPY-RESISTANT READ-ONLY DIGITAL OPTICAL DISC AND ADAPTABLE PLAYER
#19Formatting of optical discs
#20RECORDING MEDIUM, RECORDING METHOD AND APPARATUS, REPRODUCING METHOD AND APPARATUS, DATA TRANSMITTING METHOD, AND DATA DECRYPTING METHOD
#21DVD copy protection
#22Security and storage system and method
#23Recording medium with restricted playback feature and apparatus and methods for forming, recording, and reproducing the recording medium
#24Copy protected DVD disc and method for producing and validating same
#25Information recording medium, information processing device and method
#26Method and apparatus for producing a master disc on which digital data is recorded in synchronism with pre-recorded address data
#27Apparatus for providing a modified analog video signal from an internet transmission of a video signal
#28Access controlled optical disc and method therefor
#29Copy protection system for optical discs
#30Apparatus and method for digital content concealment in a storage medium recorded using a recording device
#31Recording medium, data recording method and apparatus, data regenerating method and apparatus, and copy control method
#32Method of copy detection and protection using time jumps
#33Recording medium, data recording method and apparatus, data regenerating method and apparatus, and copy control method
#34Method of copy detection and protection using non-standard TOC entries
#35Recording medium with restricted playback feature and apparatus and methods for forming, recording, and reproducing the recording medium
#36Record carrier
#37Optical disk drive for driving copy-controlled CD
#38Copy protection of optical discs
#39Optical media encoding with hybrid optical discs