Apparatus and method for detecting and compensating for pit extension in an optical disk recording system

摘要: A system for storing and retrieving encoded data on an optical recording medium using pit edge detection is disclosed. The extension characteristics of a given are determined by first laser beam test write pulses to form one or more pits the then detecting time durational difference between pulse width duration leading transitions trailing corresponding formed said medium. This value may be stored in certification sector Subsequent modified amount equal this detected difference. For forming that longer than predetermined minimum length, made non-continuous order minimize cumulative extension. number used function desired each off adjacent pulses, being length cause overlap portions during pulse, thereby continuous pit.