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:
Apr. 09, 2024

Filed:

Dec. 28, 2022
Applicant:

Neolith Llc, Lexington, FL (US);

Inventors:

Tsz Yin Man, Shatin, HK;

Chi Fan Yung, Ma On Shan, HK;

Bruce C. Larson, Tampa, FL (US);

Assignee:

NEOLITH LLC, Tampa, FL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/687 (2006.01); H03K 17/0812 (2006.01); H03K 17/0814 (2006.01);
U.S. Cl.
CPC ...
H03K 17/6871 (2013.01); H03K 17/0812 (2013.01); H03K 17/0814 (2013.01);
Abstract

A circuit for driving the voltage of a capacitive element between two voltage levels has at least one driver cell with a first pair of switches connected in series between a first terminal of a voltage source and the capacitive element, and a second pair of switches connected in series between a second terminal of the voltage source and the capacitive element. A plurality of non-dissipative elements may be connected in parallel or in series between the first pair of switches and the second pair of switches. Combinations of switches from the driver cells may be activated and deactivated in a defined sequence to provide step-wise transfer of energy to the capacitive element. The defined sequence may have a switching pattern with a voltage change portion arranged to cause a change in an output voltage of the capacitive element driver during application thereof on the capacitive element driver.


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