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. 17, 2021
Filed:
Sep. 16, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A radiation imaging apparatus is provided. The apparatus comprises: an imaging region in which a plurality of conversion elements are arranged, wherein the plurality of conversion elements includes a first conversion element configured to obtain a radiation image and a second conversion element configured to obtain irradiation information of incident radiation during radiation irradiation; a storage unit configured to store correction data for correcting a signal output from the first conversion element; and a control unit. The control unit determines a period to cause the first conversion element to perform an accumulation operation in accordance with the irradiation information, determines a correction amount corresponding to the period based on the correction data, and generates a radiation image signal by correcting a signal output from the first conversion element in accordance with the correction amount after the radiation irradiation.