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:
Sep. 16, 2014
Filed:
Sep. 29, 2008
Applicants:
Dae-kun Yoon, Gyeonggi-do, KR;
Taek-sang Song, Gyeonggi-do, KR;
Inventors:
Dae-Kun Yoon, Gyeonggi-do, KR;
Taek-Sang Song, Gyeonggi-do, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 3/00 (2006.01); H03K 3/017 (2006.01); H03K 3/356 (2006.01);
U.S. Cl.
CPC ...
H03K 3/356104 (2013.01); H03K 3/017 (2013.01);
Abstract
A duty ratio correction circuit includes a duty cycle ratio controlling unit configured to generate an internal clock signal having a duty cycle ratio defined according to a first reference clock signal and a reset signal and a reset signal generating unit configured to generate the reset signal in response to a second reference clock signal and the internal clock signal fed back thereto.