Patent ID: 7239586

Claim:
A recording power determination method of an optical disc drive for recording to an optical disc having a spiral track, said recording power determination method comprising: recording on an area of the optical disc at a first recording power (P 3 ); recording, on the same area as the area recorded with the first recording power (P 3 ) in said recording at the first recording power (P 3 ), at a second recording power (P 4 ) that is lower than the first recording power (P 3 ) by a specific amount and playing back; determining whether or not a specified playback signal quality is achieved with respect to a playback signal of data recorded at the second recording power (P 4 ) in said recording at the second recording power (P 4 ); and setting the recording power for data recording to a recording power that is greater than or equal to the second recording power (P 4 ) and less than or equal to the first recording power (P 3 ) when the specific playback signal quality is determined to be achieved in said determining.