Patent · US Expired

Headphones

US7639832B2 · kind B2 · utility

6Cited by

9References

2Claims

0Family size

Assignee

Sennheiser electronic GmbH & Co. KG · DE

Inventors

Wolfgang Mann · Neudrossenfeld, DE
Axel Grell · Großburgwedel, DE
Fred Koenecke · Bad Doberan, DE

Key dates

Filing date	Jan 10, 2005
Grant date	Dec 29, 2009
Priority date	—
Expiry date	Jan 10, 2025

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

There is provided a wireless headphone having charging contacts in the headphone band and at least one magnet in the headphone band. There is also provided a charging station for a corresponding wireless headphone with bars as an electrical feed line for charge contacting of a wireless headphone.

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