【摘要】 介绍一种全数字逻辑IC电路组成的双向视频传送控制系统.电路采用纯硬件结构,机房内电脑不需联网,也不用安装任何驱动软件和接口板,即可实现学生机和教师机之间信息的双向交流.该系统制作简便,操作方便灵活,工作稳定可靠.更多还原

【Abstract】 The special designed twoway video control system composed of total digital and logic IC circuit is introduced. The teachers and students can exchange the information through computers in the computerteachingclassroom even without the equipment of network for the computers in the classroom nor any dive surface and interface board if they posses the special circuit which is equipped with allhardware. While in operating, the system is simple,convenient,flexible and stable.更多还原