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 7768886 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 03, 2010

Filed:

Feb. 26, 2007
Applicants:

Shang-pin Sun, Hsin-Chu Hsien, TW;

Fu-shan Wang, Tai-Nan, TW;

Inventors:

Shang-Pin Sun, Hsin-Chu Hsien, TW;

Fu-Shan Wang, Tai-Nan, TW;

Assignee:

Mediatek Inc., Science-Based Industrial Park, Hsin-Chu, TW;

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

A method for detecting a utilization status of an optical disc is disclosed. The method includes: accessing the optical disc to generate a radio frequency signal; generating an estimated blank signal according to the radio frequency signal; generating a first reference signal to indicate a DC level of the radio frequency signal according to the radio frequency signal; and detecting a true overwrite area of the optical disc according to said blank signal and the first reference signal.


Find Patent Forward Citations

Sun, Shang-Pin. (2010). Method for detecting a utilization status of an optical disc and apparatus thereof (U.S. Patent No. 7768886). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7768886

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

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