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:
Jun. 27, 2017
Filed:
Jan. 14, 2015
Applicant:
Harman International Industries, Incorporated, Stamford, CT (US);
Inventor:
Charles Sprinkle, Simi Valley, CA (US);
Assignee:
Harman International Industries, Incorporated, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/02 (2006.01); H04R 7/04 (2006.01); H04R 1/34 (2006.01); H04R 1/00 (2006.01);
U.S. Cl.
CPC ...
H04R 7/04 (2013.01); H04R 1/00 (2013.01); H04R 1/345 (2013.01); H04R 1/023 (2013.01);
Abstract
Embodiments are disclosed for a loudspeaker for producing directed acoustic vibrations. In some embodiments, a loudspeaker includes an electromagnetic transducer including diaphragm configured to generate acoustic vibrations. The loudspeaker may further include an aperture positioned in front of the diaphragm in a direction of propagation of the acoustic vibrations, the aperture including an opening having one or more protrusions forming an opening shape having non-uniform edges.