专利名称：Graphics system发明人：Willan, Stephen Brian申请号：EP89310050.3申请日：19891002公开号：EP0367405B1公开日：19960228
摘要：A graphics system comprises an input device, and a computer for detectingchanges in the position of the input device relative to a surface, and a monitor (63) fordisplaying patterns which follow the movement of the input device. The computercalculates at least one differential derivative with respect to time of the input deviceposition and controls characteristics of the display patterns in dependance upon the oreach calculated derivative.
申请人：WILLAN STEPHEN BRIAN
地址：GB
国籍：GB
代理机构：Skone James, Robert Edmund
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