Patent ID: 7551543
Filing Date: 2009-06-23
Classification: G11B

Abstract:
1. A reproducing and/or recording apparatus for use with an optical information storage medium, comprising: a pick-up unit which reproduces and/or records data from and/or on the optical information storage medium; and a controller which controls the pick-up unit to reproduce data from at least one of a burst cutting area (BCA), a lead-in area, a user data area, and a lead-out area of the optical storage medium, wherein a first transition area is provided between the burst cutting area (BCA) and the lead-in area, the lead-in area comprises a first area having a first track pitch, a second area having a second track pitch different from the first track pitch, and a second transition area provided between the first area and the second area, and the track pitch of the second transition area is changed from the first track pitch to the second track pitch.