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:
Nov. 02, 2021
Filed:
Sep. 26, 2017
Merit Automotive Electronics Systems S.l.u., Barcelona, ES;
Marek Wozniak, Mogilany, PL;
Przemyslaw Madon, Cracow, PL;
Abstract
An elastomeric keypad () is shown having at least one key () having an elastomeric dome () defining a chamber () and provided inside with an activating means (), an activation means () cooperating with the activating means (), and at least one compensating channel () opening at the chamber () to enable for a flow of fluid from the chamber (), while the elastomeric dome () collapses, and to the chamber (), while the elastomeric dome () releases. In order to suppress the sound intensity of the push up event, at least one of the compensating channels () includes at least one valve arrangement () generating fluid restrictions while the fluid returns to the chamber (). Preferably the valve arrangement () has a form of a Tesla Valve.