公开(公告)号：DE69016246D1

公开(公告)日：1995-03-09

申请号：DE69016246

申请日：1990-04-04

Applicant: IBM

Inventor： BLETSHER WARREN LEROY ,  TAYEFEH MOROVAT ,  LEWKOWICZ JULIAN

IPC: G11B11/10 ,  G11B7/00 ,  G11B7/0045 ,  G11B7/125 ,  G11B11/105 ,  G11B27/36 ,  G11B7/12

Abstract: Recording operations for an optical disk recorder are calibrated by adjusting recording power level (light intensity) such that a permissible crosstalk can be detected in adjacent erased tracks. Following the power level calibration, pulse duration or width is calibrated for a predetermined symmetry of recorded pulses along the calibration track. Various sequences and procedures are described. Calibration occurs at a plurality of radially spaced-apart tracks.

公开(公告)号：DE69016246T2

公开(公告)日：1995-06-29

申请号：DE69016246

申请日：1990-04-04

Applicant: IBM

Inventor： BLETSHER WARREN LEROY ,  TAYEFEH MOROVAT ,  LEWKOWICZ JULIAN

IPC: G11B11/10 ,  G11B7/00 ,  G11B7/0045 ,  G11B7/125 ,  G11B11/105 ,  G11B27/36 ,  G11B7/12

Abstract: Recording operations for an optical disk recorder are calibrated by adjusting recording power level (light intensity) such that a permissible crosstalk can be detected in adjacent erased tracks. Following the power level calibration, pulse duration or width is calibrated for a predetermined symmetry of recorded pulses along the calibration track. Various sequences and procedures are described. Calibration occurs at a plurality of radially spaced-apart tracks.