G - Physics – 11 – B
Patent
G - Physics
11
B
352/32.2, 352/53
G11B 7/007 (2006.01) G06K 7/016 (2006.01) G06K 7/10 (2006.01) G06K 7/14 (2006.01) G06K 19/10 (2006.01) G06K 19/14 (2006.01) G11B 7/0033 (2006.01) G11B 7/013 (2006.01) G11B 7/085 (2006.01) G11B 7/09 (2006.01) G11B 19/04 (2006.01)
Patent
CA 1258909
- 42 - ABSTRACT OF THE DISCLOSURE In an optical information recording medium of the type wherein information is recorded or reproduced when a light beam scans each of a plurality of mutually parallel tracking tracks, an auxiliary track is extended between the adjacent tracking tracks and has at least one portion in parallel with the tracking tracks. In a method for recording or reproducing information by scanning a light beam on each of a plurality of mutually parallel tracking tracks on the recording medium, the recording medium has an auxiliary track which is extended between the adjacent tracking tracks and which has at least one portion in parallel with the tracking tracks and the light beam is kicked in the parallel portion of the auxiliary track.
505153
Aoki Akio
Enari Masahiko
Hosoya Hideki
Kawaguchi Fumiaki
Matsuoka Hiroshi
Canon Kabushiki Kaisha
Ridout & Maybee Llp
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