Patent ID: 8254593
Filing Date: 2012-08-28
Classification: H04R

Abstract:
1. An earphone comprising: an audio input terminal and an audio output terminal; an elastic member; a rheostat comprising a first terminal, a second terminal, and a slide terminal; wherein the audio input terminal is electrically connected to the slide terminal of the rheostat, the audio output terminal is electrically connected to the first terminal of the rheostat, the slide terminal of the rheostat is fixed to the elastic member, wherein the slide terminal of the rheostat is at or near the first terminal of the rheostat in response to the elastic member being at an original position, the slide terminal moves to the second terminal of the rheostat in response to the elastic member being deformed; and an elastic bracket forming an elastic container and a draw bar, wherein the container comprises a mounting area, the rheostat and the elastic member are fixed in the mounting area, a first terminal of the draw bar is fixed to the container, a second terminal of the draw bar passes through the elastic member, to press the elastic member in response to the elastic bracket being pulled to deform.