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:
Apr. 06, 1993
Filed:
Aug. 13, 1991
Applicant:
Inventor:
Jacques Laeuffer, Paris, FR;
Assignee:
General Electric CGR S.A., Les Moulineaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05G / ;
U.S. Cl.
CPC ...
378110 ; 378101 ; 378106 ; 378107 ;
Abstract
The disclosure relates to devices for supplying current to X-ray tube cathode filaments. The filament of a cathode is supplied with high-frequency current pulses given by a hyporesonant type DC/AC converter, the transistors of which are controlled by a regulation circuit. This regulation circuit carries out a high-frequency regulation.