Screen sounder
US9107006B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2014 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Apr 2, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A screen sounder includes a housing having a front case, a screen supported by the front case, a piezoelectric module mounted with the screen for driving the screen to generate sound or converting vibration of the screen into electric energy, an audio signal source electrically connecting to the piezoelectric module for driving the piezoelectric module to vibrate, a rechargeable module electrically connecting to the piezoelectric module for receiving the electric energy, and a switching control unit electrically connecting with the piezoelectric module for switching the electrical connections between the audio signal source, the rechargeable module and the piezoelectric module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.