PUSH BUTTON AND CONTROLLING METHOD THEREOF

摘要

A push button is provided. A push button according to the exemplary embodiment of the present invention includes a housing having a hole; a pressing member installed in the hole; an elastic member which is installed in the hole and supports elastically the pressing member; a heating member which touches the pressing member to heat the pressing member; a heating source for heating the heating member; and a control part for heating the heating member from the heating source according to the temperature of the pressing member.