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:
May. 12, 2026
Filed:
Mar. 18, 2021
Carl Freudenberg KG, Weinheim, DE;
Denys Maiier, Rimbach, DE;
CARL FREUDENBERG KG, Weinheim, DE;
Abstract
A method for identifying a substrate on which an apparatus is moveable includes: providing the apparatus, the apparatus including a main body, a drive unit, a control unit and a sensor assembly; forming a vibration system from the apparatus and the substrate, the vibration system generating vibrations, the vibrations generating a vibration pattern characteristic of a particular substrate, the vibration pattern varying as a function of a nature of the substrate; detecting the vibration pattern by the sensor assembly and forwarding the vibration pattern to the control unit; evaluating the vibration pattern in the control unit; and determining the nature of the substrate in the control unit based on the vibration pattern.