Vibration device and imaging unit including vibration device
US11433426B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2020 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | Dec 30, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/20
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A vibration device includes a protective cover to transmit light with a predetermined wavelength, a first cylindrical body to hold the protective cover at one end, a plate spring to support the other end of the first cylindrical body, a second cylindrical body to support, at one end, a portion of the plate spring in an outer side portion of a portion that supports the first cylindrical body, and a vibrating body that is provided at the other end of the second cylindrical body to vibrate in an axial direction of the second cylindrical body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.