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. 20, 2020

Filed:

Sep. 29, 2016
Applicant:

Nuctech Company Limited, Beijing, CN;

Inventors:

Zhiqiang Chen, Beijing, CN;

Yumei Chen, Beijing, CN;

Yaohong Liu, Beijing, CN;

Xinshui Yan, Beijing, CN;

Weiqiang Guan, Beijing, CN;

Wei Yin, Beijing, CN;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 23/04 (2018.01); G01T 7/00 (2006.01); A61B 5/107 (2006.01); A61B 6/00 (2006.01); G21K 1/06 (2006.01);
U.S. Cl.
CPC ...
G01N 23/04 (2013.01); A61B 5/1075 (2013.01); A61B 6/58 (2013.01); A61B 6/582 (2013.01); A61B 6/585 (2013.01); G01N 2223/303 (2013.01); G01T 7/005 (2013.01); G21K 1/06 (2013.01); G21K 2201/06 (2013.01);
Abstract

The present disclosure provides a ray calibration device and a working method thereof, and a radiation imaging system and a working method thereof, and belongs to the field of radiation imaging technology. The present disclosure can solve the problems that the existing calibration devices have low calibration efficiency and require relatively large spaces. The ray calibration device of the present disclosure includes a driving part, a cam part and a calibration part, wherein the calibration part is located below the cam part; the driving part is adapted to drive the cam part to rotate; and the cam part is adapted to exert a force on the calibration part to enable the calibration part to move into a ray area downwards.


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