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:
Oct. 23, 2012
Filed:
Feb. 12, 2009
Jorn Eiler Vestergaard, Helsinge, DK;
Jorgen Mejner Olsen, Hillerod, DK;
Leif Hojslet Christensen, Roskilde, DK;
Kenneth B. Haugshoj, Tasstrup, DK;
Jorn Eiler Vestergaard, Helsinge, DK;
Jorgen Mejner Olsen, Hillerod, DK;
Leif Hojslet Christensen, Roskilde, DK;
Kenneth B. Haugshoj, Tasstrup, DK;
Widex A/S, Lynge, DK;
Abstract
A hearing aid () comprises a receiver (), an output port (), a conduit () for conveying sound to the port and a barrier element () adapted for baffling entry of ear wax and moisture and for being acoustically transparent. The invention further provides a barrier element () for a hearing aid comprising a slab having an exterior surface and through openings for transverse transmission of sound, wherein the exterior surface is super-hydrophobic.