Patent ID: 7460442

Claim:
An optical disk apparatus comprising: a first optical pickup and a second optical pickup for reading/writing data on the optical disk; a motor for rotating the optical disk, said motor operating in at least (i) a first region of the optical disk at a first velocity and (ii) a second region of the optical disk at a second velocity; and an optical disk controlling unit for managing addresses on the optical disk and for controlling the first optical pickup and the second optical pickup so that the optical pickups are positioned at desired addresses on the optical disk; wherein the optical disk controlling unit judges, in a seek operation moving the first optical pickup to a target address, whether to move the second optical pickup to the target address at the same time with the first optical pickup based on a positional relation of the target address to said first region or a difference between the first and the second regions corresponding to the positions of the first optical pickup and the second optical pickup, respectively.