VARIABLE SYMBOL DISPLAY SWITCH DEVICE CAPABLE OF CONTROLLING THE VARIABLE DISPLAY OF SYMBOLS APPROPRIATELY, AND A CONTROL METHOD THEREOF

摘要

PURPOSE: A variable symbol display switch device and a control method thereof are provided to increase the visibility of a user by providing visual effect like symbol size change, etc.;CONSTITUTION: A housing is equipped with a housing cover and a housing body. An optical filter part allows the output of the light generated from a light source part. The light source part is equipped with a first wavelength light source(310) and a second wavelength light source(320). The light source part is arranged at a circuit board(200). A control part outputs a light source control signal to the light source part.;COPYRIGHT KIPO 2013