Levitated structure of bluetooth speaker
US9197951B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 9, 2015 |
| Grant date | Nov 24, 2015 |
| Priority date | — |
| Expiry date | Feb 9, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A levitated structure of Bluetooth speaker, which is composed of a main frame, a control circuit module, an induced coil module, a speaker, a circular frame and a top frame, which enables the main frame to be levitated over the base, and carry out wireless sensing and transmission of the AC (Alternating Current) signal with electric energy to play external audio signal received by the Bluetooth signal receiver, and provide a better power solution free from the shortage of electric power and also extend the performance period of speaker function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.