Optical recording apparatus with drawing capability of visible image on disk face

摘要

An optical disk apparatus capable of drawing a visible image on an optical disk by irradiating a laser beam onto the optical disk, the apparatus comprising:
rotating means for rotating the optical disk;
detecting means for detecting a rotating state of the optical disk;
an optical pickup arranged to irradiate the laser beam onto the optical disk which is rotated by the rotating means, so that the visible image is drawn on the optical disk;
feeding means for feeding the optical pickup in a radial direction of the optical disk; and
tracking control means for controlling an irradiating position of the laser beam relative to the optical disk,
wherein the tracking control means fixes the irradiating position of the laser beam in the radial direction of the optical disk during the course of one rotation of the optical disk, and shifts the irradiating position of the laser beam by a first distance in the radial direction each time the detecting means detects one rotation of the optical disk, and
wherein the feeding means feeds the optical pickup in the radial direction by a second distance when the detecting means detects that the optical disk has rotated a predetermined number of rotations.