Differentiation method for optical disc, transport device for optical disc, optical disc device, optical disc - inspection device and optical pickup inspection in front of the direction of

摘要

An optical disc device with optical discs of different types with different track intervals is compatible, comprising a light detecting means detects (104), which in the path of scattered light from the recording tracks of the optical disc (101) is arranged, on which a light beam from a light emitting section (103) is incident. During the charging of the optical disc, the optical disc apparatus the type of an optical disc on the basis of the detection output of the light detection by means of (104) and the positional relationship between the optical disc (101) and the light detecting means detects 104. A simple structure thus enables the discrimination of the optical disc type.