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. 03, 2017
Filed:
Apr. 14, 2011
Applicants:
Martin Kuster, Oetwil am See, CH;
Alfred Stirnemann, Zollikon, CH;
Axel Schlesinger, Stafa, CH;
Inventors:
Assignee:
Sonova AG, Stäfa, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04R 1/32 (2006.01); H04R 29/00 (2006.01);
U.S. Cl.
CPC ...
H04R 25/405 (2013.01); H04R 1/326 (2013.01); H04R 29/006 (2013.01);
Abstract
A hearing instrument microphone device incudes at least two microphone sound ports (or sound inlets), a pressure difference microphone in communication with at least two of the sound ports and a pressure microphone in communication with at least one of the sound ports, wherein the acoustic centers of the pressure difference microphone and the pressure microphone essentially coincide.