Patent · US Active

Amplification circuit for driving a diffuser

US8223991B2 · kind B2 · utility

1Cited by
3References
26Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 11, 2009
Grant dateJul 17, 2012
Priority date
Expiry dateOct 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.