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:
Jan. 07, 2020
Filed:
Nov. 26, 2018
Volkswagen Aktiengesellschaft, Wolfsburg, DE;
Klaus Meierling, Bochum, DE;
Niels Petter, Essen, DE;
Abstract
A method for actuating a control device for a transportation vehicle with a control element. A spring-elastic element is disposed underneath the control element and is indirectly or directly moved and/or deformed by a piezo element to give an operator at least a haptic feedback during the operation of the control element. The spring-elastic element is moved toward the control element when the piezo element is actuated and is brought into working contact with the control element. This enables the spring-elastic element to be transferred from a stable initial position into an unstable deformation position when the control element is operated. When the control element is released, the spring-elastic element automatically passes from the deformation position back to the initial position. A haptic feedback is produced by the spring-elastic element in each case in response to a change from the initial position to the deformation position and vice versa.