The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 23, 2010
Filed:
Oct. 10, 2006
Young IL Kim, Gwangmyung-si, KR;
Young Il Kim, Gwangmyung-si, KR;
Hitachi-LG Data Storage Korea, Inc., Seoul, KR;
Abstract
A method and apparatus for determining an optimal writing power for recording data on a recording medium such as an optical disk, are discussed. The method according to an aspect of the present invention includes (a) performing an optimal power calibration (OPC) operation on a first area of the recording medium, and detecting a first writing power based on the OPC operation performed on the first area; (b) performing an OPC operation on a second area of the recording medium after erasing data on the second area, and detecting a second writing power based on the OPC operation performed on the second area; and (c) determining an optimal writing power for recording data on the recording medium based on the detected first and second writing powers.