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:
Feb. 06, 2001
Filed:
Oct. 26, 1999
Masataka Yabuuchi, Tokyo, JP;
Akihiko Iwata, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A pulsed power supply device in which a capacitor (,) having a charged voltage is discharged quickly upon closure of a switch (,). First and second series circuits (,) are connected to each other in series and provided between the output terminals of a DC voltage source (,). The first series circuit (,) is a series circuit of a first reactor (,) and a first forward-direction diode (,), and the second series circuit (,) is a series circuit of a second forward-direction diode (,) and a switch (,). A third series circuit (,) that is a series circuit of a capacitor (,), a second reactor (,), and a discharge tube (,) is connected in parallel to the second series circuit (,). Upon closure of the switch (,), the discharge tube emits light and, on the other hand, the capacitor (,) is discharged to produce an oscillation current, whereby a voltage develops across the capacitor (,) in the polarity opposite to the polarity at the time of the initial charging. Since this voltage is added to a power source voltage and reused in the next charging cycle, the pulsed power supply device has a high efficiency.