Patent ID: 9166647
Filing Date: 2015-10-20
Classification: H04B

Abstract:
1. An expandable device for wireless audio input, for outputting an audio signal to an audio output device, wherein the audio output device comprises a first audio jack, and the expandable device for wireless audio input comprises: a first audio jack plug, for outputting a first audio signal; a wireless receiver, coupled to the first audio jack plug, for converting a wireless signal into the first audio signal, and transmitting the first audio signal to the first audio jack plug; and a second audio jack, coupled to the first audio jack plug, wherein, when a second audio signal is input from the second audio jack, the second audio jack provides the second audio signal to the first audio jack plug; wherein the expandable device for wireless audio input is compatible with an audio provider, and the audio provider is used for converting an audio into the wireless signal, and transmitting the wireless signal to the wireless receiver, wherein, the expandable device for wireless audio input further comprises: a mixer, coupled to the first audio jack plug, the wireless receiver and the second audio jack, for mixing the second audio signal input from the second audio jack and the first audio signal from the wireless receiver; and a switching circuit, coupled to the mixer, wherein the mixer is enabled when the switching circuit is turned on, and the mixer is disabled when the switching circuit is turned off.