Patent · US Active

System and method for transmitting a radio frequency signal through a speaker coil

US8909162B2 · kind B2 · utility

4Cited by

4References

28Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Nikolay Ilkov · Munich, DE
Winfried Bakalski · Birkenfeld, DE

Key dates

Filing date	Sep 7, 2012
Grant date	Dec 9, 2014
Priority date	—
Expiry date	May 24, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH04R3/00
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

In accordance with an embodiment, a system has an audio amplifier configured to be coupled to a speaker coil port via a parallel resonant circuit, and a radio frequency (RF) amplifier configured to transmit a RF signal at a first RF transmission frequency. The speaker coil port is configured to be coupled to a speaker coil, and the parallel resonant circuit has a resonance frequency of about the first RF transmission frequency.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.