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:
Jun. 10, 2014
Filed:
Aug. 04, 2011
Applicants:
Hee Bum Lee, Icheon-si, KR;
Tae Woo Kim, Seongnam-si, KR;
Inventors:
Hee Bum Lee, Icheon-si, KR;
Tae Woo Kim, Seongnam-si, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Primary Examiner:
Int. Cl.
CPC ...
H01J 40/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image sensor includes a band gap reference unit configured to provide a reference voltage having a predetermined voltage level, a storage unit configured to store the reference voltage, a switch configured to selectively connect the storage unit to the band gap reference unit, and a ramp signal generation unit configured to receive an input voltage corresponding to the reference voltage stored in the storage unit and generate a ramp signal.