Patent ID: 9543089
Date: 2017-01-10
CPC Classifications: H01H

Claim:
1. A switch device comprising: a holder; an operation knob with a display, the operation knob held in the holder so as to be movable forward and rearward; a ring-like coil antenna that transmits starting radio waves for activating external mobile equipment; a circuit board on which a wire for connecting the coil antenna to an external electric circuit and a detection means for detecting an operation of the operation knob are disposed; a light source for illuminating the display on the operation knob disposed on the circuit board; an optically transparent lens member disposed on an outer periphery of the operation knob and transmitting a light from the light source so as to illuminate the outer periphery of the operation knob; and a slider accommodated in the holder so as to be movable forward and rearward integrally with the operation knob and having a light guide path for the light source, wherein the coil antenna is integral with the lens member, wherein the operation knob and the slider are disposed in a center hole of the lens member, wherein a first ring part that accommodates the coil antenna and a second ring part that illuminates the outer periphery of the operation knob in a ring form are formed on a front face side of the lens member where the operation knob is disposed, and wherein a cylindrical light guide part opposed to the light source is formed on a rear face side of the lens member.