Protection case for mobile communication device
US9337883B1 · kind B1 · utility
3Cited by
0References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2015 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | Jan 19, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A protection case for a mobile communication device includes a main body for receiving the mobile communication device, a main circuit board with an amplifier installed thereon, and a vibrator electrically connected to the amplifier. The amplifier comprises audio signal input terminals for receiving audio signals from the mobile communication device, and audio signal output terminals for outputting the audio signals which are amplified by the amplifier to the vibrator; the vibrator is driven to vibrate in accordance with the audio signals output by the amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.