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. 27, 2015
Filed:
Oct. 09, 2013
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventor:
Gun-Hee Yun, Gyeonggi-do, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/56 (2006.01); H04N 5/3745 (2011.01); H03M 1/38 (2006.01);
U.S. Cl.
CPC ...
H04N 5/37455 (2013.01); H03M 1/38 (2013.01);
Abstract
An analog-to-digital conversion circuit includes a reference current generating unit suitable for generating a reference current varied by a given level in a sampling stage, a ramp voltage generating unit suitable for generating a ramp voltage corresponding to the reference current, and a comparison unit suitable for comparing the ramp voltage with a voltage level of a pixel signal to output a comparison signal.