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:
Oct. 01, 2019
Filed:
Jan. 22, 2018
Olympus Corporation, Hachioji-shi, Tokyo, JP;
Yoshio Hagihara, Tokyo, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
An imaging device includes a plurality of pixels, a reference current generation circuit, a differential current generation circuit, a reference voltage generation circuit, a conversion circuit, and an output circuit. The differential current generation circuit generates a differential current according to a difference between a pixel current and a reference current. The conversion circuit converts the differential current into an output voltage on the basis of a first reference voltage. A second reference voltage is higher than the tint reference voltage when the output voltage at the time of resetting of the pixels is higher than the output voltage at the time of exposure of the pixels. The second reference voltage is lower than the first reference voltage when the output voltage at the time of resetting of the pixels is lower than the output voltage at the time of exposure of the pixels.