Low frequency vibrating actuator device and low frequency vibrating actuator apparatus including the same
US12201026B2 · kind B2 · utility
0Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2021 |
| Grant date | Jan 14, 2025 |
| Priority date | — |
| Expiry date | Nov 11, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02N2/007
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a low frequency vibrating actuator device including an actuator configured to generate a vibration by receiving a voltage, a spring structure disposed on the actuator, and a vibrating mass part disposed on the spring structure. Here, the spring structure includes a first thin-film, a first spacer disposed between the first thin-film and the actuator, and a second spacer disposed between the first thin-film and the vibrating mass part. Also, the first spacer and the second spacer are horizontally offset from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.