Patent ID: 6636461
Filing Date: 2003-10-21
Classification: G11B

Abstract:
A recording and/or reproducing apparatus for recording and/or reproducing information signals along a recording track on a disc-shaped optical recording medium, comprising:rotational driving means for rotationally driving said optical recording medium at a pre-set speed; recording and/or reproducing means movable along the radius of said optical recording medium for recording and/or reproducing information signals on or from the recording track of the optical recording medium; address conversion means for reciprocally converting a first address in said optical recording medium defined by time domain information and a second address in said optical recording medium defined by consecutive binary numbers; and memory means for holding a conversion table for conversion between an uppermost order value in the time domain information in said first address and a value of said second address; said address conversion means reciprocally converting said first address and said second address using said conversion table held in said memory means.