Patent ID: 8760981

Claim:
An optical disc device which is configured to set therein a plurality of optical discs including a first disc and a second disc, and configured to record and/or reproduce information by illuminating said optical discs with laser light, said optical disc device comprising: a motor configured to rotate an optical disc; a laser-light source configured to illuminate said optical disc with said laser light, when said optical disc is being rotated by said motor; a memory configured to store management information about at least one of said plural optical discs set in said optical disc device; and a control section configured to control recording of said management information about said first optical disc to said second optical disc, when said management information about said first optical disc is stored in said memory; wherein said management information includes defect management information configured to indicate an alternative recording area, in which said management information has been alternatively recorded when a defect has occurred at the time of recording of said management information in said first optical disc; and wherein said control section controls reproducing of said defect management information about said first optical disc from said second optical disc, and reproducing of information on a data recording area of said first optical disc based on said defect management information about said first optical disc reproduced from said second optical disc.