Patent · US Active

Earphone with active suppression of ambient noise

US10477312B2 · kind B2 · utility

0Cited by

6References

17Claims

0Family size

Assignee

AKG Acoustics GmbH · AT

Inventors

Richard Pribyl · Fischamend, AT
Michael Perkmann · Wien, AT
Hannes Lehdorfer · Wien, AT

Key dates

Filing date	May 22, 2013
Grant date	Nov 12, 2019
Priority date	—
Expiry date	Dec 7, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH04R1/1083
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

An earphone is provided that can decrease a time delay between a microphone and a loudspeaker. The earphone includes a microphone incorporated with the membrane of loudspeaker. The loudspeaker and the microphone are connected by connection lines to an electronic circuit.

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