Patent · US Active

Suppression of high-frequency perturbations in pulse-width modulation

US8350635B2 · kind B2 · utility

1Cited by

4References

12Claims

0Family size

Assignee

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH · DE

Inventors

Gerhard Pfaffinger · Regensburg, DE
Arnold Knott · Jægersborg, DK

Key dates

Filing date	Mar 13, 2008
Grant date	Jan 8, 2013
Priority date	—
Expiry date	Apr 21, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH03F2200/351
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

A method suppresses high-frequency perturbations in a pulse-width modulated signal. The pulse-width modulation may superpose a carrier signal onto an input signal having a predetermined modulation frequency. The carrier signals may be phase-shifted. The resulting modulated signals may then be filtered and combined.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.