Speaker structure and display device
US11743636B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2021 |
| Grant date | Aug 29, 2023 |
| Priority date | — |
| Expiry date | Feb 8, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A speaker structure comprises a main speaker, an auxiliary speaker, a first driving mechanism, and a second driving mechanism. The auxiliary speaker is connected to the main speaker and displaceable relative to the main speaker. The first drive mechanism is configured to drive the main speaker to reciprocate in a first direction, and the second driving mechanism is configured to drive the auxiliary speaker to reciprocate in a second direction relative to the main speaker. The first driving mechanism is arranged in the main speaker, and the second driving mechanism is arranged in the main speaker. An output end of the second driving mechanism extends out of the main speaker and connected to the auxiliary speaker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.