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. 03, 2025
Filed:
Nov. 30, 2023
Harman International Industries, Incorporated, Stamford, CT (US);
Henrik Kirkeby Jepsen, Vinderup, DK;
Marcel Pilgaard Havemann, Hjerm, DK;
Henrik Muusmann Jørgensen, Struer, DK;
Harman International Industries, Incorporated, Stamford, CT (US);
Abstract
Described embodiments include an audio speaker configured to emit sound in a main sound emission direction. The audio speaker comprises a voice coil, a movable diaphragm connected to the voice coil and configured to move together with the voice coil, the movable diaphragm comprising, in a direction opposite the main sound emission direction, a front surface and a rear surface opposite the front surface. The audio speaker further comprises a light source configured to emit light which is located, in a direction of the main sound emission direction, below the voice coil, and a light guide configured to guide the light emitted from the light source to the front surface of the movable diaphragm.