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. 23, 2022
Filed:
Jun. 30, 2021
Applicant:
Dr. Ing. H.c. F. Porsche Aktiengesellschaft, Stuttgart, DE;
Inventors:
Robert Nelles, Stuttgart, DE;
Jan Naegelkraemer, Stuttgart, DE;
Assignee:
Dr. Ing. h.c. F. Porsche Aktiengesellschaft, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 15/00 (2006.01); H04L 27/12 (2006.01);
U.S. Cl.
CPC ...
H04L 27/12 (2013.01); H04B 15/00 (2013.01);
Abstract
A control unit generates pulse width modulation (PWM) pulses for an inverter. The control unit has a noise reducer configured to generate an opposing signal for active noise reduction. The noise reducer is configured to set a phase angle of the opposing signal based upon a predefined PWM frequency.