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.:

US 7952964 B1

PDF
Full Text
Expired
Date of Patent:
May. 31, 2011

Filed:

May. 28, 2008
Applicants:

Woo-min Jung, Yongin-si, KR;

Nam-taek Hyung, Suwon-si, KR;

Sang-hoon Moon, Suwon-si, KR;

Inventors:

Woo-min Jung, Yongin-si, KR;

Nam-taek Hyung, Suwon-si, KR;

Sang-hoon Moon, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A land/groove switch position detecting method includes measuring information about a land/groove switch generation timing of a disc, using a first signal having a frequency that varies in proportion to a rotation speed of the disk in a normal playback mode, and a second signal having a predetermined frequency higher than the frequency of the first signal, and calculating a predicted land/groove switch generation position in the seek mode, using the information about the land/groove switch generation timing.


Find Patent Forward Citations

Jung, Woo-min. (2011). Method and apparatus to detect land/groove switch position in seek mode, and optical disk drive using the same (U.S. Patent No. 7952964). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7952964

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…