Earpiece with canal microphone, ambient microphone and receiver
US10542358B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 30, 2017 |
| Grant date | Jan 21, 2020 |
| Priority date | — |
| Expiry date | Aug 30, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2410/05
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An earpiece for a hearing device, includes: an earpiece housing comprising an ear canal portion and an outer ear portion, the ear canal portion extending along an ear canal axis for positioning in an ear canal of a user, the ear canal portion having a first end; a first microphone for detecting ambient sound via a first input port in the earpiece housing; a second microphone; and a receiver for providing an audio output signal to the ear canal when the earpiece is inserted in an ear of the user; wherein the first microphone is arranged at a first distance from the first input port, wherein the first distance is at least 2 mm when measured parallel to a main plane having a main plane normal parallel to a main axis, the main axis forming a first main angle that is less than 30 degrees with the ear canal axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.