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.

Date of Patent:
Oct. 11, 2016

Filed:

Mar. 26, 2015
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Kanako Dowaki, Tokyo, JP;

Kazumasa Matsumoto, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01T 1/24 (2006.01); H04N 5/343 (2011.01); H04N 5/351 (2011.01); H04N 5/376 (2011.01); H04N 5/378 (2011.01);
U.S. Cl.
CPC ...
H04N 5/343 (2013.01); H04N 5/351 (2013.01); H04N 5/378 (2013.01); H04N 5/3765 (2013.01);
Abstract

A radiation imaging apparatus comprising a sensor and a driving unit, the sensor including a detection element and a holding unit, wherein the driving unit drives the sensor so as to perform a first operation of making a first sampling unit sample a first signal corresponding to a voltage of the holding unit which has changed in accordance with a dose of radiation detected by the detection element after the holding unit holds a voltage corresponding to a signal from the detection element when a first reset unit resets the detection element, and a second operation, after the first operation, of making the first reset unit reset the detection element after a second sampling unit samples a second signal corresponding to a voltage of the reset holding unit while a second reset unit resets the holding unit.


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