Patent ID: RE39163

Claim:
A recording apparatus for recording data in a disc-shaped recording medium having a plurality of sectors, said recording apparatus comprising: a coding means for coding the data into error detection and correction coded data aligned in both row and column directions, and segmenting said error detection and correction coded data into a plurality of segment coded data; means for recording each of said plurality of segment coded data to a sector in a first recording area of the disc-shaped recording medium; defective sector discrimination means for determining whether a sector is a defective sector by reproducing said segment coded data recorded in said sector; and defective sector substitution means , for skipping, in the case where said sector is determined to be a defective sector, only the defective sector and for recording said segment coded data in and after the defective sector in following sectors by successively slipping sectors one by one, and for shifting the data for the defective sector and recording the data for the defective sector to a second recording area in the case where there remain no sufficient sectors in the first recording area as a result of the sectors slipping substitution of sectors.