Optical information recording medium, optical information recording method and optical information recording apparatus
AssigneeSony Corporation
InventorsMinoru Tobita, Goro Fujita, Shingo Imanishi
Life of this patent
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AssigneeSony Corporation
InventorsMinoru Tobita, Goro Fujita, Shingo Imanishi
Estimating the term…
An optical information recording medium, an optical information recording method and an optical information recording apparatus are able to prevent one laser beam of two laser beams from affecting the other laser beam by an offset. In an optical disc in which a groove whose one-side is wobbled or modulated only is sequentially formed by turning on or off one laser beam of two laser beams in accordance with a modulation signal and desired data is recorded by the groove, since the groove is formed by wobbling the one laser beam in such a manner that the one laser beam may not affect the other laser beam, a light intensity of the one laser beam is not added to a light intensity of the other laser beam, which is not wobbled by a wobbled amount so that the other-side of groove may be protected from the influence of the offset.
An optical information recording apparatus, comprising:
In an optical information recording method in which a groove is formed in an optical recording medium, one side of which groove is wobbled, the improvement comprising the following steps:
Dependencies are inferred from the claim text.