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:
Jan. 01, 2008
Filed:
Feb. 15, 2005
Applicant:
Woo-min Jung, Gyeonggi-do, KR;
Inventor:
Woo-min Jung, Gyeonggi-do, KR;
Assignee:
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Upper and lower limit values of disk surface vibration are detected and stored per a predetermined time while a signal is reproduced from an optical disk device and, if focus on the disk deviates from a focus allowable range initially set, a focus repull-in operation is performed with reference to the upper and lower limit surface vibration values stored previously.
Jung, Woo-min. (2008). High-speed focus pull-in controllers for adaptively responding to disk surface vibration of an optical disk device and focus control methods thereof (U.S. Patent No. 7315495). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7315495
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile