日本东京一家公司发明了一架电子键盘器,可以在作曲家演奏的同时,自动地把声符记录下来,这架电子键盘机长31英寸,宽7英寸,重不到5磅。电子键盘机内装有一电子计算机,能将钢琴所产生的电子脉冲转换成打印机械的讯号。打印机可打印线谱、调名和音符,并可使作曲家不打断思路而能连续地作曲。对业余爱好者来 A Tokyo, Japan company invented an electronic keyboard that automatically records accents while the composer is playing. The electronic keyboard is 31 inches wide and 7 inches wide and weighs less than 5 pounds. The electronic keyboard incorporates an electronic computer that converts electronic pulses generated by the piano into signals from a printing machine. Printers can print line art, tune names, and notes, and allow composers to write without interruption. Come to amateurs