| 摘要 |
<p>Keyboard (10) has sound and light characteristics. The cover plate body of keyboard is automatically opened or locked by controlling main control knob set (203). Drive shaft set of main and auxiliary cover plate (102,104), in each case, is connected with main and auxiliary cover plate (101,103). The LCD-display (105), loudspeaker set (106) and volume control knob set (107) is arranged in main cover plate. A LED-light body set is arranged under the keyboard set (201) of the keyboard body (20).</p> |
