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. 29, 2011
Filed:
Nov. 12, 2008
Shih-kuo Chen, Taoyuan County, TW;
Chin-fa Hsu, Taoyuan County, TW;
Shiu-ming Chu, Taoyuan County, TW;
Shih-Kuo Chen, Taoyuan County, TW;
Chin-Fa Hsu, Taoyuan County, TW;
Shiu-Ming Chu, Taoyuan County, TW;
Quanta Storage Inc., Guishan Shiang, Taoyuan County, TW;
Abstract
The invention is to provide a recording method of an optical disc drive, which first calibrates the write power with minimum recording speed, adjusts write powers for higher speeds, searches a blank area in a lead-out area of a disc to record with write powers for all speeds, read signals, deletes the speeds with bad recording quality, reserves the speeds with good recording quality as recordable speed, checks the required recording speed for the address of the recording data, searches the recordable speed equal to or smaller than the required recording speed, replaces the required recording speed with the searched recordable speed, records data with the searched recordable speed and corresponding write power to ensure quality.