Patent ID: 9466890
Filing Date: 2016-10-11
CPC Classification: H01H,H01Q

Claim Text:
1. A switch device comprising: a tubular case; a circuit board disposed in the case; a control button disposed for movement along longitudinal directions of the case, the control button being actuated by pressing from outside of the switch device; a switch unit mounted on the circuit board, the switch unit being actuated in response to rearward movement of the control button by pressing; and a coil antenna electrically connected to the circuit board, for emitting a radio wave for energizing an external portable device; wherein a front end of the coil antenna is positioned rearwardly of a rear end of the control button, the control button and the coil antenna are disposed coaxially with each other, and the control button has a largest outside diameter which is same as an outside diameter of the coil antenna.