In-ear headphone for improved fit and function, and related methods
US10645478B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 8, 2017 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Dec 8, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/2857
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An earbud headphone includes a housing and an acoustic driver disposed within the housing between a front chamber and a rear chamber. The front chamber is defined between a front surface of the acoustic driver and a front wall of the housing, and the rear chamber is defined between a rear surface of the acoustic driver and a rear wall of the housing. The headphone further includes a sound guide tube configured to guide acoustic energy from the rear chamber to an ear canal of a user of the earbud headphone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.