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:
Aug. 05, 2025
Filed:
Apr. 21, 2023
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01T 1/24 (2006.01); G01N 23/04 (2018.01); G01N 23/06 (2018.01);
U.S. Cl.
CPC ...
G01T 1/24 (2013.01); G01N 23/04 (2013.01); G01N 23/06 (2013.01);
Abstract
A radiation detector includes a plurality of pixels configured to directly convert a radiation into an electric charge, a reading circuit configured to read pixel signals from the plurality of pixels for each frame, and a processing unit configured to process the pixel signals read by the reading circuit, wherein the processing unit is configured to determine a background component contained in a pixel signal of each of the plurality of pixels by using values of the pixel signals read from the plurality of pixels in a frame in which the pixel signal whose background component is to be determined is read.