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. 02, 2020

Filed:

Feb. 09, 2018
Applicant:

Fmi Medical Systems Co., Ltd., Zhejiang, CN;

Inventors:

Abdelaziz Ikhlef, Hudson, OH (US);

Hongbin Guo, Champaign, IL (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 6/03 (2006.01); G01N 23/046 (2018.01); A61B 6/00 (2006.01);
U.S. Cl.
CPC ...
A61B 6/585 (2013.01); A61B 6/03 (2013.01); G01N 23/046 (2013.01); G01N 2223/303 (2013.01); G06T 2211/421 (2013.01);
Abstract

A CT system includes a rotatable gantry having an opening to receive an object to be scanned, a high-voltage generator, an x-ray tube positioned on the gantry to generate x-rays through the opening, and a pixelated detector positioned on the gantry to receive the x-rays. The system includes a computer programmed to cause the x-ray tube to generate x-rays, at a given high-voltage generator voltage (kV), toward a sub-set of detector pixels when no object is present within the opening, measure an output of the sub-set of detector pixels for a given number of views during the x-ray generation and for a total integration time, and determine a calibration factor based on the measured output and based on a generator feedback current measured during the total integration time.


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Ikhlef, Abdelaziz. (2020). Reference detector normalization using generator current feedback (U.S. Patent No. 10667781). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10667781

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