Oscillation device and electronic apparatus
US8824708B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2011 |
| Grant date | Sep 2, 2014 |
| Priority date | — |
| Expiry date | Sep 9, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An oscillation device (100) includes a piezoelectric element (121), a vibrating member (122) which binds one surface of the piezoelectric element (121) and is formed of a metal material, a resin member (123) which holds an outer circumferential portion of the vibrating member (122), a piezoelectric element (111), a vibrating member (122) which binds one surface of the piezoelectric element (111), is overlapped with the vibrating member (121) and the resin member (123) when seen in a plan view, and is formed of a metal material, and a support member (140) which supports the resin member (123) and the vibrating member (112), wherein at least one opening (150), which connects a space (170) positioned between the vibrating member (121) and the resin member (123), and the vibrating member (122) to the outside of the space (170), is provided in at least one of the vibrating member (121), the resin member (123), and the vibrating member (112).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.