Earphone having a controlled acoustic leak port
US9510077B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 24, 2015 |
| Grant date | Nov 29, 2016 |
| Priority date | — |
| Expiry date | Nov 24, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/023
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An earphone comprising an earphone housing having a wall comprising (1) a front side that joins (2) an end portion in which a primary sound output opening is formed, which joins (3) a face portion in which a secondary output opening is formed, which joins (4) a back side which joins the front side and encloses a driver, wherein the face portion and the front side form a tapered portion of the earphone housing that is dimensioned to be inserted into, and contact, an ear of a wearer, wherein the primary output opening is dimensioned to output sound generated by a diaphragm of the driver contained within the earphone housing into the ear, the secondary output opening is dimensioned to vent the ear to a surrounding environment, and wherein the primary output opening and the secondary output opening face different directions and are positioned over a sound output face of the driver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.