High-fidelity earpiece with adjustable frequency response
US7634099B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2005 |
| Grant date | Dec 15, 2009 |
| Priority date | — |
| Expiry date | Feb 20, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/26
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An earpiece is provided that includes an earpiece enclosure, a sound delivery member that contains a sound delivery tube, and one or more drivers. The earpiece enclosure includes one or more enclosure ports that couple the internal enclosure volume to the volume outside of the earpiece. Corresponding to each enclosure port is a port cover that has at least a fully open port position and a fully closed port position. Preferably the port cover is capable of multiple positions between the fully open port position and the fully closed port position. The port cover can be a plug, a rotating earpiece collar, a sliding cover, etc. In at least one embodiment, separate drivers and/or separate volumes within the earpiece enclosure are coupled to separate enclosure ports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.