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:
Nov. 10, 2015
Filed:
Apr. 10, 2012
Applicant:
Brendon Stead, Encinitas, CA (US);
Inventor:
Brendon Stead, Encinitas, CA (US);
Assignee:
Harman International Industries, Incorporated, Northridge, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/00 (2006.01); H04R 9/06 (2006.01); H04R 11/02 (2006.01); H04R 7/02 (2006.01); H04R 7/14 (2006.01); H04R 7/18 (2006.01); H04R 1/28 (2006.01); H04R 9/02 (2006.01);
U.S. Cl.
CPC ...
H04R 7/02 (2013.01); H04R 7/14 (2013.01); H04R 7/18 (2013.01); H04R 1/2896 (2013.01); H04R 9/025 (2013.01);
Abstract
A diaphragm for use in a loudspeaker transducer is disclosed. The loudspeaker transducer may include a voice coil, a former, a first magnet assembly having a circular inner magnet, a top plate having a annular outer top plate and a circular inner top plate, a second magnet assembly having an annular outer magnet and a circular inner magnet, an air gap defined by the circular inner magnet of the first magnet assembly, annular outer top plate, circular inner top plate, annular outer magnet and circular inner magnet of the second magnet assembly, and a surround suspension member.