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:
Sep. 12, 2017
Filed:
Nov. 25, 2015
Applicant:
Audi Ag, Ingolstadt, DE;
Inventor:
Roman Strasser, Gaimersheim, DE;
Assignee:
AUDI AG, Ingolstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/02 (2006.01); H02P 21/00 (2016.01); B60L 11/18 (2006.01); H02P 29/50 (2016.01); H02P 6/15 (2016.01);
U.S. Cl.
CPC ...
H02P 21/0003 (2013.01); B60L 11/18 (2013.01); H02P 6/15 (2016.02); H02P 29/50 (2016.02);
Abstract
In a method of operating a drive device, a sound signal is generated as a function of at least one operational and/or state variable. An electric machine of the drive device is hereby as a sound generator to output the sound signal. The sound signal can be determined from a time gradient of the operational and/or state variable.