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:
Jun. 25, 2024

Filed:

Mar. 03, 2022
Applicant:

Shanghai United Imaging Microelectronics Technology Co., Ltd., Shanghai, CN;

Inventors:

Rong Wu, Irvine, CA (US);

Jieyou Zhao, Shanghai, CN;

Haichao Zhang, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/18 (2006.01); G01T 1/17 (2006.01); H03M 1/16 (2006.01); H03M 1/36 (2006.01);
U.S. Cl.
CPC ...
H03M 1/164 (2013.01); G01T 1/17 (2013.01); H03M 1/188 (2013.01); H03M 1/363 (2013.01);
Abstract

Disclosed are an analog-to-digital conversion circuit, an analog-to-digital conversion device, and a digital x-ray imaging system. The analog-to-digital conversion circuit includes a first reference voltage source, a second reference voltage source, a first analog-to-digital converter connected to the first reference voltage source, a second analog-to-digital converter connected to the second reference voltage source, a connecting circuit connected to the first analog-to-digital converter and the second analog-to-digital converter, respectively, and a current source having negative temperature coefficient configured to be connected to the first reference voltage source and the second reference voltage source, respectively.


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