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:
Nov. 11, 2025

Filed:

Dec. 06, 2023
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Tatsuhito Goden, Tokyo, JP;

Takanori Watanabe, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01T 1/17 (2006.01); G01T 1/20 (2006.01); G21H 1/06 (2006.01);
U.S. Cl.
CPC ...
G01T 1/17 (2013.01); G01T 1/20185 (2020.05); G21H 1/06 (2013.01);
Abstract

A radiation detector includes a first pixel and a second pixel disposed in a same column, a first comparator connected with the first pixel via a first vertical signal line, and a second comparator connected with the second pixel via a second vertical signal line. A first distance from a conversion portion of the first pixel to the first vertical signal line is different from a second distance from a conversion portion of the second pixel to the second vertical signal line. The first comparator is configured to receive a first reference signal and compare the first reference signal with an output signal sent from the first pixel. The second comparator is configured to receive a second reference signal and compare the second reference signal with an output signal sent from the second pixel. The second reference signal is different from the first reference signal.


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