Vibration apparatus, apparatus and vehicle including the same
US11882398B2 · kind B2 · utility
1Cited by
1References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2021 |
| Grant date | Jan 23, 2024 |
| Priority date | — |
| Expiry date | Nov 19, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A vibration apparatus comprises a lower vibration structure, an upper vibration structure on the lower vibration structure, and an adhesive member between the lower vibration structure and the upper vibration structure. The lower vibration structure and the upper vibration structure are configured to generate sound waves having different frequencies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.