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:
Jul. 09, 2013
Filed:
Jun. 21, 2011
Jinwook Burm, Goyang-si, KR;
Bongsub Song, Seoul, KR;
Na-yeon Cho, Goyang-si, KR;
Sang-wook Han, Busan-si, KR;
Won-hee Choe, Seoul, KR;
Jinwook Burm, Goyang-si, KR;
Bongsub Song, Seoul, KR;
Na-Yeon Cho, Goyang-si, KR;
Sang-Wook Han, Busan-si, KR;
Won-Hee Choe, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Industry-University Cooperation Foundation Sogang University, Seoul, KR;
Abstract
Provided is an analog-to-digital (A/D) converter that may be used in an image sensor and a ramp signal generator that is used in an A/D converter. The ramp signal generator may generate a ramp signal and a reference voltage signal that include noise that has same noise characteristics that are input into the ramp signal, such that the signal to noise ratio (SNR) is improved and the image quality is also improved.