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.:
Date of Patent:
May. 29, 2007
Filed:
Jan. 24, 2003
Takuya Domoto, Chiba, JP;
Hiroshi Takano, Ibaraki, JP;
Takuya Domoto, Chiba, JP;
Hiroshi Takano, Ibaraki, JP;
Hitachi Medical Corporation, Tokyo, JP;
Abstract
An X-ray tube apparatus () having an anode rotating mechanism for preventing damage of the anode () of the X-ray tube apparatus thereby to shorten the X-ray exposure waiting time. When the measured number of revolutions of a rotary anode is determined to be predetermined number from only the impedance or current information on the basis of both voltage information and current information on a stator coil () of motor constituent elements for rotating the rotary anode, a DC high voltage outputted from an X-ray high-voltage unit () is applied between the anode () and a cathode () of the X-ray tube apparatus, thus exposing a subject () to X-rays and imaging the subject. An X-ray generating device and a radiograph are also disclosed.