发明名称
摘要 <p>PURPOSE:To execute switching of an active window even when a plotting command is being executed. CONSTITUTION:This device is constituted of a CRT controller 71 for driving a display screen of a CRT 70 into plural windows, an information active window number 23 for showing which an operable screen is in the divided screens, a digitizer 60 for rewriting it, and a plotting command 16 for executing a screen operation command 54 by receiving an input from a keyboard 50, and generating graphic data in accordance with a prescribed event generated by the digitizer 60, and provided with functions of a plotting area processing 66 for extracting the prescribed event from a signal from the digitizer 60, and giving a timing for obtaining a coordinate to the plotting command 16, and the screen operation command 54 for extracting XY coordinate SW information 63, and rewriting active window information.</p>
申请公布号 JP3424689(B2) 申请公布日期 2003.07.07
申请号 JP19930213338 申请日期 1993.08.05
申请人 发明人
分类号 G06F3/14;G06F3/00;G06F3/048;G06F17/50;G06T11/80;(IPC1-7):G06F3/00 主分类号 G06F3/14
代理机构 代理人
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