Optical recording medium and tracking method therefor

Details Optical recording medium and tracking method therefor Optical recording medium and tracking method therefor

G - Physics

11

B

352/32.2, 352/32

G11B 7/013 (2006.01) G11B 7/0033 (2006.01) G11B 7/08 (2006.01) G11B 7/09 (2006.01)

Patent

CA 1278092

OPTICAL RECORDING MEDIUM AND TRACKING METHOD THEREFOR ABSTRACT OF THE DISCLOSURE An optical recording medium having data storage section provided on the optical recording medium and data tracks and tracking lines formed in the data storage section for reading or writing of data. The optical recording medium of the invention comprises at least one band-form data recording region defined between each two adjacent tracking lines, each of said data recording regions having at least one data track at a position deviated from the center of the width of the data recording region. A tracking method for the medium, which comprises: setting, on the optical recording medium, a first optical domain for detecting the tracking line through relative movement with respect to the optical recording medium and a second optical domain for reading or writing which is movable in association with said first optical domain; and selecting the positional relationship between the first and the second optical domain so that when the first optical domain for track detection is tracking the tracking line, the second optical domain for the reading or writing is moving on and along the data track on the position deviated from the center of the width of the data recording region.

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