US Patent 7417930 Optical recording method
Patent 7417930 was granted and assigned to RICOH COMPANY,LTD. on August, 2008 by the United States Patent and Trademark Office.
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An optical recording method of recording information to a phase change optical recording medium with alternate application of peak power and bias power in a pulse manner and with changing a pulse application. interval continuously from an inner part through an outer part of the recording medium with an interval proportional to a window width Tw and a fixed interval, comprising the step of starting a top peak power application interval with a delay from a data input pulse signal starting time for a target mark length nTw, where n denotes an integer in a range between 3 and 14, with changing the delay in proportion to the window width Tw with changing a proportionality factor discretely with respect each linear velocity.
US Patent 07417930 Optical recording method US Patent 7417930 Optical recording method
US Patent 07417930 Optical recording method
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