In-ear adapter for earbuds
US8638970B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 23, 2008 |
| Grant date | Jan 28, 2014 |
| Priority date | — |
| Expiry date | Jan 28, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R25/658
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An adapter for attaching to an earphone includes a sleeve capable attaching the adapter to the earphone and an ear portion including a tubular sidewall having a first end attached to the sleeve and a second end opposite the first end. In one embodiment, the tubular sidewall includes an outer surface and a plurality of fins extending outwardly from the outer surface. In another embodiment, the tubular sidewall has an inner surface defining an air channel extending through the sidewall, and the inner surface has a twin cone shape including a converging cone portion extending from the first end and a diverging cone portion extending from the converging cone portion to the second end. In one embodiment, the adapter includes both a plurality of fins, and a twin cone air channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.