Omni-directional speaker system
US6009972A · kind A · utility
42Cited by
4References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1998 |
| Grant date | Jan 4, 2000 |
| Priority date | — |
| Expiry date | Oct 2, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/345
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An omni-directional speaker system having a speaker unit fixed in a speaker cabinet, a first reflecting plate having a hole installed in the speaker cabinet for dispersing sound waves emitted from the speaker unit, and a second reflecting plate disposed over the hole of the first reflecting plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.