| 摘要 |
<p>The present invention relates to a knob device. The knob device includes: an encoder unit which is installed in a panel; a reflector which diffuses a light generated from the panel; a knob rail unit which is coupled with the encoder and coupled to have the reflector moved back and forth; a housing unit which covers the external sides of the knob rail, is coupled with the encoder, and rotates with the encoder; and a knob ring unit which is coupled with the housing and controls the exposure range of the light dispersed from the reflector.</p> |
