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:
Aug. 26, 2003
Filed:
May. 29, 2002
Marcel Pierre Joseph Gaudreau, Lexington, MA (US);
Biversfied Technologies, Inc., Bedford, MA (US);
Abstract
A high voltage converter system including a high voltage power line at a first voltage level, a step-down device connected to a second voltage level lower than the first voltage level, and a high voltage switch module including a plurality of voltage limited controllable switch elements including components to limit the voltage across each the voltage limiting controllable switch element to a predetermined voltage when each the voltage limiting controllable switch element is in an open state and to a zero voltage when each the voltage limiting controllable switch element is in a closed state. The voltage limiting controllable switch elements are typically connected in series between the power line and the step-down device. The high voltage down-converter system also includes a control system to selectively set the open state and the closed state of each the voltage limiting controllable switch elements to control the current through the step-down device.