Headphone
US8208661B2 · kind B2 · utility
26Cited by
17References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jul 16, 2009 |
| Grant date | Jun 26, 2012 |
| Priority date | — |
| Expiry date | Mar 23, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/1075
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus includes a headphone. The headphone includes at least one housing; and at least one sound wave generator disposed in the housing. The sound wave generator includes at least one carbon nanotube structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.