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. 24, 2021
Filed:
Nov. 02, 2017
Shimadzu Corporation, Kyoto, JP;
Shiro Mizutani, Kyoto, JP;
SHIMADZU CORPORATION, Kyoto, JP;
Abstract
An acceleration voltage generator () generates a high-voltage pulse to be applied to an electrode in an orthogonal accelerator by turning on/off a high DC voltage generated by a high-voltage power source through MOSFETs () in a switch circuit (). A controller () sends driving pulse signals to the switch circuit () through a primary-side driver section (), transformer () and secondary driver section (). An adjustment circuit () formed by a gate resistor () and gate capacitor () is provided between the secondary-side driver section () and the MOSFET (). The resistance value of the resistor () and the capacitance value of the capacitor () are determined so as to suppress an overshoot of the gate voltage due to the resonance while preventing a decrease in steepness of the waveform in its rising and falling phases.