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:
Mar. 08, 2011
Filed:
Oct. 03, 2005
Applicant:
Robert J. Crowley, Sudbury, MA (US);
Inventor:
Robert J. Crowley, Sudbury, MA (US);
Assignee:
Shure Incorporated, Niles, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A composite membrane acoustic transducer structure comprising a magnet assembly is arranged adjacent the composite membrane material. The magnet assembly is arranged to produce a flux field. A first layer of thin, elongate composite membrane material is held under tension. A second conductive layer is attached to the first layer of composite membrane material wherein the first and second layers of membrane material are arranged adjacent, generally parallel and offset from the magnet assembly. The assembly is arranged to produce the flux field through at least part of the first layer and the second layer.