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:
Jun. 06, 2017
Filed:
Dec. 04, 2012
Otis Elevator Company, Farmington, CT (US);
Marinko Kovacic, Zagrebacka, HR;
Shashank Krishnamurthy, Rocky Hill, CT (US);
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
A neutral point clamped, multilevel level converter including a DC voltage link having a positive rail and a negative rail; a phase leg coupled to an AC node, the phase leg having a first switch and a second switch in series between the negative rail and the AC node, the phase leg having a third switch and a fourth switch in series between the positive rail and the AC node; and a gate drive power supply having a charge pump section, the charge pump section generating a first gate drive voltage for the first switch and a second gate drive voltage for the second switch.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile