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.

Patent No.:

US 7123680 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 17, 2006

Filed:

Sep. 16, 2004
Applicants:

Kazuhiro Katada, Aichi-gun, JP;

Toshihiro Rifu, Saitama, JP;

Inventors:

Kazuhiro Katada, Aichi-gun, JP;

Toshihiro Rifu, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21K 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

An X-ray computer tomography apparatus includes an X-ray tube, an X-ray detector, a data collection apparatus that collects X-ray signals from the X-ray detector repeatedly, a shutter mechanism that is arranged between the X-ray tube and a subject in order to convert an X-ray into a pulse-like X-ray and is constituted such that a ratio of a shutter open period and a shutter close period is variable, a restructuring unit that restructures image data on the basis of the collected X-ray signals, and a control unit that controls the shutter mechanism in order to change the ratio of a shutter open period and a shutter close period during a helical scan.


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Katada, Kazuhiro. (2006). X-ray computer tomography apparatus (U.S. Patent No. 7123680). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7123680

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