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1、引言可见式信息终端及其计算机系统的开发工作正方兴未艾.随着图形和手写数据输入需求的激增,已广泛启用了多种型号的这类数据板.然而数据板和监视器通常在结构上是分体的,这就带来了操作上的不便.当前一个重要课题就是如何简化人机对话操作,为此已开发了几种有输入功能的显示器,操作者可直接在上面作图.这种双功能器件实际上是数据板与显示复合而成的,因此要在全范围实现显示象素与数据方位地址精确对位非常困难,另外造价也很高.
1. INTRODUCTION The development of visible information terminals and their computer systems is in the ascendant.With the proliferation of graphics and handwritten data input demands, a wide range of such data boards have been widely enabled.However, data boards and monitors are often used in the construction This is an inconvenience of operation, and an important task at present is how to simplify the operation of man-machine conversation. For this reason, several types of displays with input functions have been developed, and the operator can directly draw on them. This dual-function device is actually a combination of the data board and the display, so it is very difficult to realize the exact alignment of the display pixel and the data azimuth address in the whole range, and the cost is also very high.