Headphone apparatus and headphone system
US7873177B2 · kind B2 · utility
7Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2006 |
| Grant date | Jan 18, 2011 |
| Priority date | — |
| Expiry date | Nov 18, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2420/07
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An ear-hanger headphone apparatus includes ear hangers each having a predetermined shape, housings integrally attached to the ear hangers, respectively, and driver units attached to the housings swingably relative thereto so as to closely overlap with ear conches without clearance, respectively, when the headphone apparatus is worn.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.