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:
Sep. 09, 2025
Filed:
Oct. 13, 2023
Harman Becker Automotive Systems Gmbh, Karlsbad, DE;
Vladimir Gontcharov, Budapest, HU;
Hans Erik Otto Lahti, Torslanda, SE;
Brian Sterling, Farmington Hills, MI (US);
Harman Becker Automotive Systems GmbH, Karlsbad, DE;
Abstract
A loudspeaker arrangement () having first and second loudspeakers mechanically coupled to each other. Either a first side of a first sound radiating surface faces a first side of a second sound radiating surface, and the first side of the first sound radiating surface and the first side of the second sound radiating surface both face a first cavity having a first opening facing towards an internal air volume, or a second side of the first sound radiating surface faces a second side of the second sound radiating surface, the first side of the first sound radiating surface faces a second cavity having a second opening facing towards the internal air volume, and the first side of the second sound radiating surface faces a third cavity separate and distinct from the second cavity, the third cavity has a third opening facing towards the internal air volume.