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. 04, 2019
Filed:
Nov. 21, 2014
Valeo Schalter Und Sensoren Gmbh, Bietigheim-Bissingen, DE;
Michael Hallek, Bietigheim-Bissingen, DE;
Thomas Jung, Bietigheim-Bissingen, DE;
Valeo Schalter und Sensoren GmbH, Bietigheim-Bissingen, DE;
Abstract
The invention relates to a method for detecting target echoes () in a reception signal (ES) of an ultrasonic sensor of a motor vehicle by providing a reference signal (RS) for decoding the reception signal (ES), wherein with respect to a multiplicity of predetermined frequency shift values in each case a correlation input signal (RS) is provided by shifting the reference signal (RS) in terms of its frequency by the respective frequency shift value; correlating the reception signal (ES) separately with each of the correlation input signals (RS) and thereby providing respective correlation output signals (KSto KS), as the result of the respective correlation; and by providing a summation signal (SS) as the sum of the correlation output signals (KSto KS), wherein on the basis of the summation signal (SS) one of the correlation output signals (KSto KS) is selected and detecting the target echoes () is carried out by evaluating the selected correlation output signal (KSto KS).