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:
Jul. 31, 2012
Filed:
May. 16, 2007
Applicants:
Josef Lutz, Rohrau, AT;
Susanne Windischberger, Vienna, AT;
Inventors:
Josef Lutz, Rohrau, AT;
Susanne Windischberger, Vienna, AT;
Assignee:
Knowles Electronics Asia PTE. Ltd., Singapore, SG;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An acoustic device (), comprising an oscillatory membrane () which comprises a transducing element () and a frame () adapted for accommodating the membrane () in an accommodation plane, wherein the membrane () is accommodated in the frame () in such a manner that a translational motion of the membrane () in at least one direction of the accommodation plane is made possible.