| 摘要 |
The present invention relates to a motion detection switch, and more particularly to a motion detection switch which can recognize motion of a reflector moved at an upper side of a display part of a mobile phone, and can control the mobile phone without any touching operation. The motion detection switch of the present invention, which recognizes motion of a reflection body moved at an upper side of a display part of a portable terminal and controls the portable terminal, including a base which is disposed at an upper side of a main body of the portable terminal having the display part, which is outside the display part; a light receiving device which is disposed at the base; a plurality of light emitting devices which are disposed at the base so as to be symmetric with respect to the light receiving device; and a control device which operates the light emitting devices, wherein the light receiving device is disposed to be inclined toward the display part, and the light receiving device senses light emitted from the light emitting devices and reflected by the reflection body and transfers an operation signal to the control device, and the light emitting devices are disposed to be inclined in an opposite direction to the light receiving device, and the control device receives the operation signal and recognizes motion of the reflection body. |
