电写通信

电写通信
installment loans

电写通信是一种能够同时传送声音和手写图形信息的新型通信系统。也就是说，使用电写通信，在打电话的同时还可以用手写字或画图，把这些写画的信息也传送给对方。电写通信利用电话频带的一部分来传送手写图形信息，它的终端由四个主要部分组成，即写画板、显示器、电话机和控制器。此外还可以附加一个小巧的打印机。手写信息通过写画板输入，声音信息传到对方后，由对方电话机的受话器来接收，而文字或图形信息则在对方的显示器上显示出来。打印机可以把这些文字或图形信息打印出来。
电写通信对于听觉不好或耳聋者是一种良好的通信手段，也非常适用于召开简易的远距离会议及语言不同的国际通信。如果把写画板换成一块面积大一点的电子黑板，还可以通过电写通信方式实现远地授课。

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