Video equipment speaker device with acoustic lens
US6533063B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 5, 2000 |
| Grant date | Mar 18, 2003 |
| Priority date | — |
| Expiry date | Jul 8, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In video equipment, a video equipment speaker device that is almost invisible from a viewer and capable of placing, toward the front of the center portion of the screen, an acoustic image from a speaker 2 provided on at least either an upper or lower portion of a screen is provided. A speaker device 1 includes the speaker 2, a sound duct 3 positioned forward of the speaker 2 to externally output sound, a speaker baffle 4 provided in the vicinity of edges forming an opening of the sound duct 3 and formed to outwardly reflect the sound, a fin 5 provided forward of the speaker baffle 4, sound space 6 formed between the speaker baffle 4 and the fin 5, and slits 7 outwardly opened from the sound space 6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.