| 摘要 |
The present invention relates to a device for transmitting the sound from an audio appliance, equipped with at least one loudspeaker and capable of being controlled by a first infrared beam coming from a portable self-contained control box (2) of the said device; according to the invention, the device includes an emitter of the sound signal of the said audio device with transmission by a second infrared beam and includes a receiver for the said sound signal connected to personal listening means; the emitter transmits the sound signal by frequency modulation about a carrier frequency for modulation of the second infrared beam; the receiver of the sound signal is built into the said portable box and the emitter of the said sound signal is built into the said audio device. the technical field of the invention is that of signal transmission. <IMAGE> |
