Patent · US Active

Device for processing a knock sensor signal

US8250905B2 · kind B2 · utility

17Cited by

8References

20Claims

0Family size

Assignee

CONTINENTAL AUTOMOTIVE GMBH · DE

Inventors

Klaus Schneider · Lappersdorf, DE
Gerhard Wirrer · Schliersee, DE

Key dates

Filing date	Feb 26, 2009
Grant date	Aug 28, 2012
Priority date	—
Expiry date	Aug 24, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH03H17/0671
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

For the processing of a knock sensor signal during the detection of knocking in a combustion engine, in order to allow for inexpensively designed, efficient, and accurate bandpass filtering, a signal processing device (10) has an analog filter (20), a sigma-delta modulator (30) designed for analog-digital conversion, a CIC filter (40) designed to decimate the sampling rate, and a digital filter (50).

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