Patent ID: 6347353
Filing Date: 2002-02-12
Classification: G11B

Abstract:
An information medium having digital signals recorded thereon, the information medium comprising:a disk having at least a first recording surface and a second recording surface; wherein the digital signals are in the form of a data frame; wherein the data frame includes at least a lead-in block and n data blocks (n is a natural number); wherein the lead-in block has a same format as the n data blocks; wherein n block addresses are assigned to respective ones of the n data blocks; wherein information identifying an area on the disk in which a respective one of the n data blocks is recorded is assigned to each of the n data blocks; wherein m data blocks (m is a natural number, 0wherein remaining (nâˆ’m) data blocks of the n data blocks are recorded on the second recording surface of the disk; wherein the lead-in block is recorded at the head of the data frame; and wherein the lead-in block includes information identifying an area on the disk in which the lead-in block is recorded, information identifying a number of recording surfaces, information identifying the block address of one of the m data blocks recorded last on the first recording surface, and information identifying the block address of a last one of the n data blocks in the data frame.