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:
Oct. 13, 2009
Filed:
Aug. 17, 2007
Yong Cheol Park, Kyonggi-do, KR;
Myong Gu Lee, Kyonggi-do, KR;
Jong IN Shin, Kyonggi-do, KR;
Kyu Hwa Jeong, Kyonggi-do, KR;
Yong Cheol Park, Kyonggi-do, KR;
Myong Gu Lee, Kyonggi-do, KR;
Jong In Shin, Kyonggi-do, KR;
Kyu Hwa Jeong, Kyonggi-do, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A recording medium and apparatus and method for managing defective areas are discussed. According to an embodiment a controller determining whether or not to replace a defective block with a replacement block when a writing or reading data to or from the optical recording medium, based upon a data type to be written or read, and creating a defect list, the defect list including information to indicate whether or not the defective block is replaced with a replacement block; and a writing reading unit, coupled to the controller, to write or read the data to or from the optical recording medium and storing the defect list to a defect management area of the optical recording medium, according to a control of the controller.