| 摘要 |
<p>A keyboard of an electronic piano with touch feeling of quadric variation of gravity includes a keyboard frame(1), keys(2), weights(5) of the key(2), a lever supporting rod(12), a limit pin(7), an electroconductive rubber(10), a casting die (11) for the electroconductive rubber(10), a magnet (3)and a ferromagnet(4) attracted to the magnet(3) mounted on the bottom part of the playing end of the key(2) and the corresponding position of the keyboard frame(1).</p> |
