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. 28, 2012
Filed:
Feb. 26, 2009
Applicants:
Klaus-dieter Schneider, Lappersdorf, DE;
Gerhard Wirrer, Kallmünz, DE;
Inventors:
Klaus-Dieter Schneider, Lappersdorf, DE;
Gerhard Wirrer, Kallmünz, DE;
Assignee:
Continental Automotive GmbH, Hannover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 23/22 (2006.01);
U.S. Cl.
CPC ...
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 () has an analog filter (), a sigma-delta modulator () designed for analog-digital conversion, a CIC filter () designed to decimate the sampling rate, and a digital filter ().