Vibration generating device
US9827594B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2015 |
| Grant date | Nov 28, 2017 |
| Priority date | — |
| Expiry date | Apr 25, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B1/0648
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
There is provided a vibration generating device including: a housing having an internal space; a vibration member having one end fixedly attached to the housing; a piezoelectric element installed on the vibration member; and a mass body fixedly attached to the vibration member, wherein the vibration member includes an installation part on which the piezoelectric element is installed, and an extension part extended from at least one side surface of the installation part, and a maximum displacement portion of the vibration member is changed depending on a vibration mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.