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. 22, 1984
Filed:
Sep. 14, 1982
Hideki Sato, Ootawara, JP;
Hiroshi Asahina, Tochigi, JP;
Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;
Abstract
An X-ray apparatus is disclosed which comprises an X-ray tube, a high voltage generating circuit for applying a high voltage between the anode and the cathode of the X-ray tube, a filament heating circuit for heating a filament of the X-ray tube, first switching element connected between one terminal of said filament and the negative bus of said high voltage generating circuit, second switching element connected between the other terminal of said filament and the negative bus of said high voltage generating circuit and an inverter circuit for alternately switching said first and second switching elements at a given period to switch the tube current paths.