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世界各国好几家电子公司声称打算生产新型电视机——眼镜式电视机。这种轻便型电视机看来非常不错,但是它们的屏幕不可能做得比眼镜镜片更大。七年前,日本卡西欧公司就已研制出一种手表式电视机,但是这纯粹是一种广告手段,因为要在表面这样小的屏幕上看清画面或看懂电视节目实在太困难。如果把屏幕安放在眼镜镜框上,则屏幕可以占据整个视场。另一个问题是,在以这样近的距离观看时,图像质量将是次要的(液晶袖珍平板式屏幕上的图像质量也比普通大显像管屏幕上的图像质量要差)。著名的日本索尼公司在去年秋天展示了一
Several electronics companies around the world have said they intend to produce a new type of television, the glasses-type TV set. This portable TV looks great, but its screen can not be bigger than an eyeglass. Seven years ago, Casio, Japan, had developed a watch-type television set, but it was purely an advertisement because it was too hard to read the screen or read a TV show on such a small screen. If the screen is placed on the spectacle frame, the screen can occupy the entire field of view. Another problem is that the quality of the image will be minor when viewed at such close distances (the image quality on the LCD Pocket Flat Screen is also worse than that on the normal large picture tube screen). The famous Japanese company Sony demonstrated one last fall