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:
Oct. 17, 2017
Filed:
Feb. 25, 2015
Applicant:
Gp Acoustics (Uk) Limited, Maidstone, GB;
Inventor:
Jack Oclee-Brown, Paddock Wood, GB;
Assignee:
GP ACOUSTICS (UK) LIMITED, Maidstone, GB;
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/28 (2006.01); G10D 13/02 (2006.01);
U.S. Cl.
CPC ...
H04R 1/2826 (2013.01); H04R 1/2819 (2013.01); H04R 1/2888 (2013.01); G10D 13/021 (2013.01);
Abstract
An acoustic insert for lining a loudspeaker reflex port, the insert comprising an elongate hollow tube formed of a flexible material, having an outer wall sized and configured to seat within the port and an inner wall extending in the elongate direction, the inner wall having a circumference which varies along the length of the insert, When inserted in a port, the insert alters the port resonance so as to vary the acoustic perfoi mance of the loudspeaker.