Headphone
US8532324B2 · kind B2 · utility
8Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2008 |
| Grant date | Sep 10, 2013 |
| Priority date | — |
| Expiry date | Nov 15, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/17
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A headphone including a housing that includes a speaker unit, and a protruding portion, provided at a specified area of one surface of the housing, that outputs playback sound generated from the speaker unit. When being worn on the head, the one surface of the housing comes in to contact with an outward facing surface of an auricle surrounding a cavity of a concha, and the protruding portion is inserted in to the cavity of the concha.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.