Patent ID: 7885150

Claim:
A track jumping scan control device wherein a signal based on a reflected light of an optical beam irradiated on an optical disc provided with land tracks and groove tracks formed, alternately in a radial direction of the optical disc, in a header region having an address information and a recording region subsequent to the header region is used to make the optical beam jump-scan a predetermined track, the track jumping scan control device executing, as the track jumping scan: a full track jumping scan for making the optical beam track-jump between adjacent land tracks or adjacent groove tracks; and a half track jumping scan for making the optical beam track jump from a land track to an adjacent groove track or from a groove track to an adjacent land track, wherein: the track jumping scan control device is further configured to select which one of the two track jumping scans is executed in accordance with a cycle at which the header region is set, and only the half track jumping scan is selected when the cycle at which the header region is set is below a reference cycle.