Patent ID: 6301210
Filing Date: 2001-10-09
Classification: G11B

Abstract:
An optical disc apparatus for recording and reproducing information of an optical disc, comprising:means for discriminating the optical disc;means for reading control information in an un-recordable area which is formed in an inner periphery of said optical disc;means for conducting focus control in a recordable area which is formed outside of said un-recordable area;means for conducting adjustment in amplitude of a reproduced signal from an inner periphery of said recordable area;means for conducting test-writing in the inner periphery of said RAM area;means for conducting test-writing in an outer periphery of said recordable area; andmeans for conducting adjustment in amplitude of a reproduced signal from the outer periphery of said recordable area, wherein said means conducts the respective operations sequentially, so as to make said optical disc in reproducible and recorable condition.