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.

Date of Patent:
Jul. 12, 2016

Filed:

May. 02, 2014
Applicant:

Shimadzu Corporation, Kyoto-shi, Kyoto, JP;

Inventors:

Steven Douglas Taylor, Manchester, GB;

Matthew Clive Gill, Manchester, GB;

Li Ding, Manchester, GB;

James Edward Nuttall, Manchester, GB;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 17/00 (2006.01); H03K 3/012 (2006.01); H03K 5/00 (2006.01); H03K 17/687 (2006.01); H02M 7/537 (2006.01); H03K 3/356 (2006.01); H01J 49/02 (2006.01); H02M 7/48 (2007.01);
U.S. Cl.
CPC ...
H03K 3/012 (2013.01); H01J 49/022 (2013.01); H02M 7/537 (2013.01); H03K 3/356 (2013.01); H03K 5/00006 (2013.01); H03K 17/6874 (2013.01); H02M 2007/4815 (2013.01); Y02B 70/1441 (2013.01);
Abstract

A circuit for generating a voltage waveform at an output node. The circuit includes a voltage rail connected to the output node via a voltage rail switch; an anchor nodeconnected to the output node via an inductor and a bidirectional switch, wherein the bidirectional switch includes two or more transistors connected in series; and a control unit configured to change the voltage at the output node by controlling the voltage rail switch and the bidirectional switch so that, if a load capacitance is connected to the output node, a resonant circuit is established between the inductorand the load capacitance. The circuit may be included in an apparatus for use in processing charged particles, e.g. for use in performing mass spectrometry or ion mobility spectrometry.


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