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. 27, 2007
Filed:
Feb. 20, 2004
Applicants:
John D. Meyer, Berkeley, CA (US);
Perrin Meyer, Albany, CA (US);
Roger Schwenke, Albany, CA (US);
Inventors:
Assignee:
Meyer Sound Laboratories, Incorporated, Berkeley, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10K 11/20 (2006.01); H04R 1/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A loudspeaker horn () having a throat end () for receiving acoustic power from aligned acoustic power sources (), an elongated throat (), and a flared section () is provided with grating lobe mitigation fins () that extend substantially parallel to the propagation axis of the horn from the throat end toward the mouth end of the horn's flared section. The length of the grating lobe mitigation fins is established in accordance with the degree of suppression of the grating lobes produced by the aligned acoustic power sources that is desired.