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:
Apr. 05, 2022
Filed:
Oct. 26, 2018
Applicant:
Mayht Holding B.v., Nieuw-Vennep, NL;
Inventors:
Mattias Jeffrey Scheek, Amsterdam, NL;
Timothy Ruben Scheek, Amsterdam, NL;
Assignee:
Mayht Holding B.V., Nieuw-Vennep, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/28 (2006.01); H04R 7/04 (2006.01); H04R 9/04 (2006.01); H04R 9/06 (2006.01);
U.S. Cl.
CPC ...
H04R 1/2873 (2013.01); H04R 7/04 (2013.01); H04R 9/04 (2013.01); H04R 9/063 (2013.01); H04R 2209/027 (2013.01);
Abstract
A loudspeaker device comprises first and second diaphragms () arranged co-axially in an opposed relation to each other to cancel mechanical vibrations. Each diaphragm has multiple voice coils, with the voice coils of the first and second diaphragms () arranged in the same plane to reduce the height of the loudspeaker device.