Amplification circuit for driving a diffuser
US8223991B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 11, 2009 |
| Grant date | Jul 17, 2012 |
| Priority date | — |
| Expiry date | Oct 24, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/48
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An amplification circuit for driving an audio signal diffuser that includes a generation circuit of a first pre-charging signal, the generation circuit including an amplifier provided with an input terminal for receiving the first pre-charging signal and provided with an output terminal for providing a second pre-charging signal as a function of the first pre-charging signal, and a decoupling capacitor of the amplifier from the diffuser, the capacitor connected to the output terminal for charging by the second pre-charging signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.