Patent · US Active

Headphone

US10477293B2 · kind B2 · utility

0Cited by

2References

3Claims

0Family size

Assignee

Sennheiser electronic GmbH & Co. KG · DE

Inventors

Axel Grell · Großburgwedel, DE
Kornelia Kaddig · Winsen (Aller), DE
Christoph Greger · Delligsen, DE

Key dates

Filing date	Feb 22, 2018
Grant date	Nov 12, 2019
Priority date	—
Expiry date	Feb 22, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH04R1/2811
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Headphones are provided with a rear wall that is designed to be inwardly convex, so that sound which is radiated from the rear side of the sound-generating membrane of a sound generator is advantageously distributed in the headphone housing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.