索尼公司研制出一种厚度只有18毫米,重300克的便携式激光放象机。这种放象机比该公司现有的绝大多数小型放象机薄28％,轻21％。它将于1990年年底投放市场。售价约5万日元。现有的放象机是将光发射器和接收器分开安装,而新放象机则采用一种将光发射器和接收器组成一体的新激光检拾器。放象机同时 Sony developed a portable laser video player with a thickness of only 18 millimeters and weighing 300 grams. The player is 28% thinner and 21% lighter than most of the company’s existing small-format players. It will be on the market by the end of 1990. Price about 50,000 yen. The existing video players have the optical transmitter and receiver mounted separately, while the new video player uses a new laser pickup that combines the optical transmitter with the receiver. Put the camera at the same time