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:
Oct. 27, 1992
Filed:
Dec. 18, 1990
William F Wirth, Sullivan, WI (US);
General Electric Company, Milwaukee, WI (US);
Abstract
An X-ray imaging apparatus has a vacuum tube with an envelope that contains an anode, a cathode and a filament. A motor has a rotor mechanically connected to the anode inside the envelope and a stator on the exterior of the envelope. The vacuum tube and the motor are enclosed in an electrically conductive casing which are grounded. A grounded shield of a conductive material is placed between the stator and the envelope to suppress high voltage discharges within the envelope from producing currents in a winding of the stator. Low pass filters are placed in series with each conductor between the vacuum tube and a power supply to suppress radio frequency signals produced by the high voltage discharges from being carried over the conductors.