Patent · US Active

Electrostatic headphones

US10231060B2 · kind B2 · utility

0Cited by

13References

16Claims

0Family size

Assignee

Sennheiser electronic GmbH & Co. KG · DE

Inventors

Jörg Riechers · Zell am Harmersbach, DE
Manfred Hibbing · Großburgwedel, DE

Key dates

Filing date	Dec 21, 2016
Grant date	Mar 12, 2019
Priority date	—
Expiry date	Dec 21, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH04R1/1008
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

An electrostatic transducer has two oppositely disposed counter-electrodes and a diaphragm which is disposed between the two counter-electrodes and which has a first weakly conductive coating. In its edge region the diaphragm has a second well-conductive coating on the first coating to protect the latter.

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