Patent ID: 6920092
Filing Date: 2005-07-19
Classification: G11B

Abstract:
1. A seek control method for carrying out a seek to a target position on a recording medium by moving a light beam spot which is irradiated on the recording medium, said recording medium having a first region in which information recording is made as variations in optical or magneto-optical properties and a second region in which information recording is made as variations in geometrical configuration, said first and second regions being provided in different areas on a recording surface of the recording medium, said seek control method comprising the steps of: (a) carrying out a control so that a seek operation from a seek start position within the first region to a seek target position within the second region and a seek operation from a seek start position within the second region to a seek target position within the first region differ; and (b) judging a type of the recording medium, said step (a) carrying out a different seek operation when said step (b) judges that the recording medium is a high-density recording medium.