| 摘要 |
Control-knob selection system comprising a smartphone or electronic tablet (1) comprising a front face equipped with a display (10) and a video camera (6), a support (2) equipped with a control-knob button (3), and a receiving area (20) able to receive and retain the smartphone or electronic tablet, such that when the smartphone or electronic tablet is positioned in the receiving area, an optical path (7) between a light source (5) emitted by the display and the video camera is selectively established or interrupted depending on the angular position of the control-knob button about the axis A, with at least one reflection on an optical reflector (31), whereby the control-knob function uses the smartphone resources and can operate with just one software application. |
