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:
Dec. 17, 2013
Filed:
Sep. 11, 2012
Won-ik Cho, Seoul, KR;
Nag-eui Choi, Suwon-si, KR;
Seung-ki Kim, Suwon-si, KR;
Ho-jin Kang, Suwon-si, KR;
Won-ik Cho, Seoul, KR;
Nag-eui Choi, Suwon-si, KR;
Seung-ki Kim, Suwon-si, KR;
Ho-jin Kang, Suwon-si, KR;
Toshiba Samsung Storage Technology Korea Corporation, Suwon-si, KR;
Abstract
Provided is an optical write device and method. The optical recording method includes generating a first signal including a preset write pulse power Pm in response to information to be written, generating a second signal including an over drive pulse power Po that is synchronized with the preset write pulse power Pm and which is at a higher level than the preset write pulse power Pm, and writing the information to an optical disc using a driving signal that is obtained by synthesizing the first and second signals.