Patent ID: 9398713
Filing Date: 2016-07-19
CPC Classification: G06F,H05K

Claim Text:
1. An electronic apparatus comprising: a frame comprising a sense region, at least one sense window provided in the sense region; a reflection type optical emitter-receiver-tube provided at a position inside the electronic apparatus corresponding to the sense window, and an output terminal of the optical emitter-receiver-tube connected with a processor inside the electronic apparatus; and a control switch to control light emission of an emitter of the optical emitter-receiver-tube, wherein the control switch includes a control terminal connected with the processor, an input terminal connected to a voltage, and an output terminal connected to the emitter and wherein the processor controls an activation of the control switch to cause the emitter to emit sense light when the sense region is needed to sense a touch operation and a deactivation of the control switch to cause the emitter to do not emit the sense light when the sense region is not needed to sense the touch operation.