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Cryptography > Video Cryptography > Video Electric Signal Modification (e.g., Scrambling) > Record Or Coin Controlled Record Or Coin ControlledRecord Or Coin Controlled patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.08/04/05 - 20050169472 - Prepaid card type data recording medium, recording apparatus thereof, apparatus for providing contents, and method used for authenticating the data recording medium A data recording medium, a recording apparatus thereof, and an apparatus for providing contents having a function of securing personal anonymity similar to a prepaid card. The prepaid card type data recording medium includes a control information area on which is recorded coupon ID information for identifying the data recording ... 06/16/05 - 20050129232 - Reproduction method and apparatus, and recording method and apparatus Decrypting information corresponding to a selected track, file pointer information, and index information are read out from a track information table having the decrypting information corresponding to each track, the file pointer information showing one of a plurality of files with headers, and the index information showing a position in ... ### FreshPatents.com Support |