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. 07, 2023
Filed:
Mar. 08, 2019
Applicant:
Mayht Holding B.v., Nieuw-Vennep, NL;
Inventor:
Mattias Jeffrey Scheek, Amsterdam, NL;
Assignee:
Mayht Holding B.V., Nieuw-Vennep, NL;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/06 (2006.01); H04R 7/20 (2006.01); H04R 7/04 (2006.01); H04R 7/16 (2006.01); H04R 9/02 (2006.01);
U.S. Cl.
CPC ...
H04R 9/063 (2013.01); H04R 7/20 (2013.01); H04R 7/04 (2013.01); H04R 7/16 (2013.01); H04R 9/025 (2013.01); H04R 2205/022 (2013.01); H04R 2209/027 (2013.01); H04R 2307/027 (2013.01);
Abstract
A speaker device comprising two membranes facing each other, and two drive units arranged for driving the two membranes in opposite direction in operation. A vented frame element and a closed frame element are positioned outward on either side of the two membranes. At least one bellows element is connected on a first side to the membrane which is positioned closest to the closed frame element, and connected on a second side to the closed frame element.