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:
Aug. 19, 2008
Filed:
May. 10, 2004
Applicants:
Daniel M. Warren, Geneva, IL (US);
Stephen C. Thompson, Naperville, IL (US);
David E. Schafer, Glen Ellyn, IL (US);
Inventors:
Daniel M. Warren, Geneva, IL (US);
Stephen C. Thompson, Naperville, IL (US);
David E. Schafer, Glen Ellyn, IL (US);
Assignee:
Knowles Electronics, LLC, Itasca, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 11/02 (2006.01); H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A receiver assembly includes a first diaphragm assembly having a diaphragm, and a second diaphragm assembly having a diaphragm. A linkage assembly is coupled to an armature of the receiver. The linkage assembly is also coupled to the first diaphragm assembly and to the second diaphragm assembly.