Dual earphone using both bone conduction and air conduction
US8447061B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 29, 2009 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Jul 28, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is an earphone set using both bone conduction and air conduction. The earphone set includes: a dual earphone which allows a user to selectively hear sounds from the front or rear side of the earphone set; a case cover provided at an end of the dual earphone; a cylindrical reinforcing frame assembled on one side of the case cover; a finishing ring mounted on the outer peripheral surface of the cylindrical reinforcing frame; a top cover assembled on one side of the cylindrical reinforcing frame and the finishing ring and having an extension projection at one side thereof; a rubber ear cap assembled at a front end of the extension projection to be inserted into an ear hole of a user; and a bone conduction vibrator provided inside the dual earphone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.