Speaker
US11781745B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2020 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Apr 3, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/028
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A speaker outputting sound from a speaker portion arranged facing upward. The speaker is provided with: a first head portion including the speaker portion; a first base portion; a transparent first housing arranged between the first head portion and the first base portion; at least one LED unit arranged inside the first housing; and a control portion for driving LED elements of the LED unit on the basis of a sound signal from the outside. Each LED unit is provided with: a second head portion; a second base portion; and a transparent second housing arranged between the second head portion and the second base portion. As a result, light linked to the sound, emitted from the LED elements of the LED units, can be efficiently delivered to the eye of the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.