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:
Jul. 30, 2002

Filed:

Oct. 11, 2000
Applicant:
Inventors:

Yoshio Moribe, Tokyo, JP;

Akira Izuhara, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 6/302 ;
U.S. Cl.
CPC ...
A61B 6/302 ;
Abstract

In order to produce X-ray radiographic images consistently with high quality regardless of the magnitude of body thickness or motion of an examined site, a radiographic irradiation time threshold readout section reads a radiographic irradiation time threshold Th corresponding to an examined site input by an operator out of a radiographic irradiation time threshold table , and an irradiation condition determining section and radiographic irradiation time comparing section select a larger radiographic focus size as the radiographic focus size for an X-ray tube if Th<radiographic irradiation time Ts, and select a smaller radiographic focus size if Th radiographic irradiation time Ts.


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