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. 27, 2015
Filed:
Jul. 25, 2008
Applicant:
Lars Goller, Herning, DK;
Inventor:
Lars Goller, Herning, DK;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/06 (2006.01); H04R 7/12 (2006.01); H04R 1/24 (2006.01); H04R 7/18 (2006.01); H04R 31/00 (2006.01);
U.S. Cl.
CPC ...
H04R 7/127 (2013.01); H04R 1/24 (2013.01); H04R 7/18 (2013.01); H04R 31/003 (2013.01); H04R 2201/021 (2013.01); H04R 2207/021 (2013.01);
Abstract
Ring-shaped membrane for an electro-acoustical loudspeaker, where said membrane comprises two or more dome-shaped annulus concentrically arranged around a central portion through which an imaginary axis of symmetry passes, where an outer periphery of said membrane is suitable to be attached to a surround; where the central portion is attached to a tower, which again is fastened to the loudspeakers driver, wherein the angle between a plane being perpendicular to the axis of symmetry and the attachment of the membrane to the surround resp. the tower is in the interval 0° to 40°, most preferred around 30°.