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:
Dec. 17, 2013
Filed:
Mar. 01, 2011
Applicants:
Wolfgang Pahl, Munich, DE;
Anton Leidl, Hohenbrunn, DE;
Matthias Jungkunz, Munich, DE;
Andreas Beer, Schoenthal, DE;
Inventors:
Wolfgang Pahl, Munich, DE;
Anton Leidl, Hohenbrunn, DE;
Matthias Jungkunz, Munich, DE;
Andreas Beer, Schoenthal, DE;
Assignee:
Epcos AG, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A MEMS microphone having an improved noise performance due to reduced DC leakage current is provided. For that, a minimum distance between a signal line of the MEMS microphone and other conducting structures is maintained. Further, a DC guard structure fencing at least a section of the signal line is provided.