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1. 发明专利

JP2006146629A Screen sharing system and information processor 有权
标题翻译：屏幕共享系统和信息处理器
公开(公告)号：JP2006146629A
公开(公告)日：2006-06-08
申请号：JP2004336865
申请日：2004-11-22
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： UKAI HIROMI , ISHII MASAHITO , TOME YUKA , ITO AKIHIRO
IPC分类号： G06F13/00 , G06F3/048
摘要： PROBLEM TO BE SOLVED: To allow a dedicated application screen operating in an arbitrary terminal to be shared with a plurality of terminals, and to display a smooth line while allowing users to perform drawing on the shared screen mutually. SOLUTION: When the dedicated application for which screen is to be shared is operated in a certain terminal, the terminal is used as a master terminal. A desktop screen of the master terminal is captured to be transmitted to slave terminals at prescribed intervals for display. Each terminal displays a transparent white board on the desktop screen, detects a mouse event on the transparent white board as an input to the transparent white board, draws graphics and characters corresponding to the mouse event on the transparent white board. When the mouse button of the master terminal is depressed as a mouse event, writing processing is preferentially executed to interrupt the capture of the desktop screen and transmission of the screen. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：允许在任意终端中操作的专用应用屏幕与多个终端共享，并且在允许用户在共享屏幕上进行绘图的同时显示平滑线。
解决方案：当某个终端操作要共享屏幕的专用应用程序时，将终端用作主终端。捕获主终端的桌面屏幕以规定的间隔发送到从终端以进行显示。每个终端在桌面屏幕上显示一个透明白板，检测透明白板上的鼠标事件作为透明白板的输入，在透明白板上绘制与鼠标事件相对应的图形和字符。当主终端的鼠标按钮被按压为鼠标事件时，优先执行写入处理以中断屏幕的捕获和屏幕的传输。版权所有（C）2006，JPO＆NCIPI

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