Patent ID: 9008347
Filing Date: 2015-04-14
Classification: H04R

Abstract:
1. A hands-free device comprising: an earphone; a hands-free main body; a control unit mounted in the hands-free main body and configured to apply an operation signal; and an earphone protruding unit formed in the hands-free main body and configured to protrude the earphone through a rear surface of the hands-free main body in response to a protrusion operation signal of the control unit, wherein the earphone protruding unit comprises: a protrusion guide portion formed horizontally inside the hands-free main body and having rails formed in a longitudinal direction thereof; a protrusion movement block having a bottom part coupled to the protrusion guide portion so as to linearly move and a top part coupled to an earphone boss portion; and a horizontal driving unit formed at the bottom part of the protrusion movement block and configured to receive the protrusion operation signal of the control unit and apply a linear moving force to the protrusion movement block.