Thermoacoustic device
US8059841B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 2, 2009 |
| Grant date | Nov 15, 2011 |
| Priority date | — |
| Expiry date | Jul 2, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B1/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus includes an electromagnetic signal device, a medium, and a sound wave generator. The sound wave generator includes a carbon nanotube structure. The carbon nanotube structure includes one or more drawn carbon nanotube films. The electromagnetic signal device transmits an electromagnetic signal to the carbon nanotube structure. The carbon nanotube structure converts the electromagnetic signal into heat. The heat transfers to the medium and causes a thermoacoustic effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.