The first full-color two-way video teleconferencing service is offered. The development of TFM (Time Frequency Multiplexing). The first compact disk players are available for sale in the U.S.
英
美
- 第一個(gè)全彩色雙向電視電話(huà)會(huì )議業(yè)務(wù)開(kāi)通。開(kāi)發(fā)TFM（時(shí)間頻率多路復用）。美國開(kāi)始出售第一個(gè)光盤(pán)播放器。
