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. 21, 2019
Filed:
Aug. 18, 2016
Applicant:
Sonion Nederland B.v., Hoofddorp, NL;
Inventor:
Koen van Gilst, Uithoorn, NL;
Assignee:
SONION NEDERLAND B.V., Hoofddorp, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/24 (2006.01); H04R 11/02 (2006.01); H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
H04R 25/48 (2013.01); H04R 1/24 (2013.01); H04R 11/02 (2013.01); H04R 25/502 (2013.01); H04R 25/604 (2013.01);
Abstract
The present invention relates to a receiver unit comprising a plurality of moveable membranes, a motor assembly being adapted to drive a first moveable membrane and one or more successive moveable membranes in accordance with an incoming electrical drive signal, wherein the first and at least one of the successive moveable membranes have different frequency responses in order to enhance the frequency response of the receiver unit. The present invention further relates to a hearing aid instrument comprising the receiver unit.