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笔者自制的数字显示器,曾用于中央电视台播出的“北京中学生智力竞赛”节目中。(有关的“抢答电路”见本刊1982年第五期——编者注)现将这种用于记分的数字显示装置介绍如下:该装置用的是低压交流电,以控制若干小灯泡亮灭的方式,组成数字牌。使用时在控制台上,拔、插用敷铜板制成的编码器,数字牌上就可显示由0～9的十个数字,进行记分。
The author made a digital display, used to be broadcast on the CCTV “Beijing high school students quiz ” program. (For a related discussion of the “Responding Circuits,” issue No. 5, 1982, editors note) This digital display device for scoring is now described below: The device uses low voltage alternating current to control the number of small bulbs Off the way to form a digital card. When used in the console, pull, plug with copper-clad encoder, the number plate can be displayed from 0 to 9 of the 10 numbers, scoring.