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. 11, 2012
Filed:
Jan. 23, 2008
Yong Ju Kim, Ichon, KR;
Kun Woo Park, Ichon, KR;
Jong Woon Kim, Ichon, KR;
Hee Woong Song, Ichon, KR;
Ic Su OH, Ichon, KR;
Hyung Soo Kim, Ichon, KR;
Tae Jin Hwang, Ichon, KR;
Yong Ju Kim, Ichon, KR;
Kun Woo Park, Ichon, KR;
Jong Woon Kim, Ichon, KR;
Hee Woong Song, Ichon, KR;
Ic Su Oh, Ichon, KR;
Hyung Soo Kim, Ichon, KR;
Tae Jin Hwang, Ichon, KR;
SK hynix Inc., , KR;
Abstract
A phase detection circuit includes a phase frequency detector for comparing a first input signal and a second input signal and outputting a first phase comparison signal and a second phase comparison signal, and a sensing circuit for sensing a pulse width difference between the first phase comparison signal and the second phase comparison signal and outputting phase detection signals which have different logic values.