Speaker
US8073162B2 · kind B2 · utility
8Cited by
3References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 8, 2008 |
| Grant date | Dec 6, 2011 |
| Priority date | — |
| Expiry date | Oct 5, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2307/025
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A speaker includes a sound source, a rod-like member whose base end is in contact with the sound source, and a pair of flexible wing members whose ends are attached to the tip of the rod shape member, and whose other ends are free.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.