G - Physics – 11 – B
Patent
G - Physics
11
B
352/53.7
G11B 7/013 (2006.01) G11B 7/00 (2006.01) G11B 7/0033 (2006.01) G11B 7/0045 (2006.01) G11B 7/007 (2006.01) G11B 19/04 (2006.01)
Patent
CA 1302563
ABSTRACT OF THE DISCLOSURE An information recording method for recording information on one of a plurality of tracks provided in parallel with each other on an information recording medium while performing a tracking servo operation has a characteristic that when abnormality of the tracking servo operation is generated during recording of the information, an information same as the above-mentioned information is recorded again on a track which is positioned at least two tracks ahead. An information recording apparatus for performing the above method comprises: recording means for recording information on one of said tracks; shifting means for shifting said recording means onto another track; tracking servo means for performing a tracking servo of said recording means operation with respect to a track; detecting means for detecting abnormality of the tracking servo operation; and control means for causing said shifting means to move said recording means to a new track positioned at least two tracks ahead when said detecting means detects the abnormality of the tracking servo operation, whereby information same as the information being recorded when said abnormality is generated is recorded again on said new track.
562518
Ogasawara Yutaka
Sakagami Wataru
Canon Kabushiki Kaisha
Ridout & Maybee Llp
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