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. 08, 2014
Filed:
May. 25, 2011
Applicant:
Yoshitaka Egawa, Kanagawa, JP;
Inventor:
Yoshitaka Egawa, Kanagawa, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/235 (2006.01); H04N 3/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
According to one embodiment, a pixel outputs a photoelectrically converted signal. A reference ramp generating circuit generates a first ramp wave and a second ramp wave having a step width smaller than that of the first ramp wave. A column ADC circuit performs switching between the first ramp wave and the second ramp wave on the basis of the signal level of the signal from the pixel, compares the ramp wave with the signal level, and detects a signal component of the pixel by CDS.