Vibration device and imaging unit including vibration device
US11383274B2 · kind B2 · utility
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20Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 30, 2020 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | Jan 10, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/8542
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A vibration device includes a protective cover that transmits light with a predetermined wavelength, a first cylindrical body that holds the protective cover at one end, a plate-shaped plate spring that supports the other end of the first cylindrical body, a second cylindrical body that supports, 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 plurality of piezoelectric elements on side surfaces of the second cylindrical body and that vibrates in a direction perpendicular to a penetrating direction of the second cylindrical body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.