发明名称 Multiple, moveable, customizable virtual pointing devices
摘要 An apparatus, method, and memory direct a computer system, having at least a processor, memory, and touchscreen, to create multiple, moveable virtual pointing devices. The method includes the steps of detecting at least two hands placed on the touchscreen, creating a virtual pointing device under at least a portion of each hand positioned on the touchscreen, in response to detecting a first hand no longer being positioned on the touchscreen, determining if at least one of the other hands is no longer being positioned on the touchscreen, and in response to two or more of the hands not concurrently being positioned on the touchscreen and detecting at least one of the hands being re-positioned on the touchscreen, determining which virtual pointing device belongs to the re-positioned hand.
申请公布号 US5790104(A) 申请公布日期 1998.08.04
申请号 US19960672520 申请日期 1996.06.25
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 SHIEH, JOHNNY MENH-HAN
分类号 G06F3/048;G06F3/033;G06F3/041;(IPC1-7):G09G5/00 主分类号 G06F3/048
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