OPTICAL DISK CONTAINING ANGULAR INFORMATION, DETECTION SYSTEM FOR DETECTING THE ANGULAR INFORMATION, AND RELATED METHOD

摘要

PROBLEM TO BE SOLVED: To provide an optical disk having a wobble track containing angular information. SOLUTION: An optical disk containing angular information has a wobble track. A wobble signal generated by the wobble track has a phase. The phase corresponds to the angle of the optical disk. COPYRIGHT: (C)2008,JPO&INPIT