The present invention is associated with a recording medium in which, to a data part constituted by frames obtained by attaching a synchronous signal to the data divided by a predetermined data length, data having a preamble part and a postamble part attached with at least one synchronous signal having...http://www.google.de/patents/US20030174625?utm_source=gb-gplus-sharePatent US20030174625 - Recording medium, reproducing apparatus, and recording apparatus
