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:
Jan. 27, 2015
Filed:
Apr. 26, 2011
Applicants:
Mark Alexander Dodd, Kent, GB;
Jack Anthony Oclee-brown, Kent, GB;
Julia Davidson, Kent, GB;
Inventors:
Assignee:
GP Acoustics (UK) Limited, Maidstone, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10K 13/00 (2006.01); H04R 1/00 (2006.01); B26B 21/22 (2006.01); B26B 21/52 (2006.01);
U.S. Cl.
CPC ...
G10K 13/00 (2013.01); B26B 21/225 (2013.01); B26B 21/52 (2013.01); B26B 21/521 (2013.01); B26B 21/528 (2013.01); H04R 1/00 (2013.01);
Abstract
A loudspeaker radiating diaphragm can be stiffened to help increase the breakup frequency to above the working frequency range of the driver concerned, by forming it of a molded part and an attached formed part. The molded part is a radiating surface with stiffening ribs. The formed part is a thin surface of high modulus material, attached to the rear of the ribs. The overall structure can have significantly higher stiffness than either of the two parts. This helps in designing a loudspeaker driver that does not breakup within its working frequency range.