Acoustic output apparatus
US11671738B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2022 |
| Grant date | Jun 6, 2023 |
| Priority date | — |
| Expiry date | Sep 9, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2400/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure discloses an acoustic output apparatus including at least one acoustic driver, a controller, and a supporting structure. The at least one acoustic driver may be configured to output sounds through at least two sound guiding holes. The at least two sound guiding holes may include a first sound guiding hole and a second sound guiding hole. The controller may be configured to control a phase and an amplitude of the sounds generated by the at least one acoustic driver using a control signal such that the sounds output by the at least one acoustic driver through the first and second sound guiding holes have opposite phases. The supporting structure may be provided with a baffle and configured to support the at least one acoustic driver such that the first and second sound guiding holes are located on both sides of the baffle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.