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:
May. 02, 2006
Filed:
Jun. 13, 2003
Bong-hwoan Choi, Gyeonggi-do, KR;
Bong-hwoan Choi, Gyeonggi-do, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A disc discrimination method and apparatus include calculating a first time difference between a time when a first focusing signal is detected from a first recording area of a first disc and a time when a first reflection signal is detected from a first surface area of the first disc, and calculating a second time difference between a time when a second focusing signal is detected from a second recording area of a second disc and a time when a second reflection signal is detected from a second surface area of the second disc. An average value of the first and the second time differences is calculated and the average value obtained as a reference time is determined and a disc type of the first disc or the second disc loaded into the optical disc system is identified using the average value.