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. 31, 2009
Filed:
Jun. 07, 2004
Applicant:
Stuart Michael Nevill, Kent, GB;
Inventor:
Stuart Michael Nevill, Kent, GB;
Assignee:
B&W Group Ltd, Worthing, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10K 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A diaphragm for a loudspeaker drive unit (), the diaphragm comprising a block of material having a first, sound-radiating front face () and a second, rear face (). The block is stiffened by being bound about over the first and second faces () by a multiplicity of turns of one or more elongate members of flexible material () stiffened by a stiffening composition.