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:
Jun. 23, 2015
Filed:
Oct. 25, 2013
Applicant:
Sonion Nederland B.v., Hoofddorp, NL;
Inventors:
Adrianus Maria Lafort, Delft, NL;
Paul Christiaan van Hal, Amsterdam, NL;
Assignee:
Sonion Nederland B. V., Hoofddorp, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04R 1/10 (2006.01);
U.S. Cl.
CPC ...
H04R 25/65 (2013.01); H04R 25/652 (2013.01); H04R 1/1016 (2013.01); H04R 25/656 (2013.01);
Abstract
A hearing aid comprising a behind-the-ear unit comprising a pump arrangement which is fluidly connected to an inflatable part of an in-the-ear unit. The pump arrangement comprises one inlet valve and two outlet valves which are arranged in series. The valve leakage of the two outlet valves is not identical.