Lee De Forest

美 [liː di ˈfɔːrɪst]英 [liː diː ˈfɒrɪst]

Lee De Forest

1

Audion : Elementary radio tube developed by Lee De Forest ( patented 1907 ) .

三极检波管：由美国的德福雷斯特所发明（1907年获专利权）的一种基本的电子管。
2

The triode , invented by Lee De Forest in the early part of the last century , was the first electrical amplifier .

在上一世纪初期的早些时候发明，是第一个电气放大器。
3

Sound films became possible through the developments pioneered by Lee De Forest , who exhibited brief sound films to the public in1923 .

福雷于1923年为公众放映了简短的有声片，由他引起的一系列发明使有声片最终成为现实。