Patent ID: 7088662
Filing Date: 2006-08-08
Classification: G11B

Abstract:
1. An optical disc drive for use to read and write data from/on an optical disc, the optical disc including recording tracks to write data thereon and guide tracks for guiding a light beam, the optical disc drive comprising: an optical pickup including a converging optical system, the converging optical system being used to focus the light beam, and form a spot of the light beam, on the optical disc for the purpose of reading or writing the data from/on the optical disc; a tracking control section for controlling the converging optical system of the optical pickup such that the spot of the light beam follows a selected one of the tracks on the optical disc rotating; and a control unit for selectively operating the tracking control section either in a first mode or in a second mode, wherein in the first mode, the tracking control section makes the light beam spot follow the recording tracks, and wherein in the second mode, the tracking control section makes the light beam spot follow the guide tracks.