专利名称：3D sculpturing input device发明人：Li Man Li,Derek Louie,Chi Hong Chan申请号：US09553758申请日：20000421公开号：US06483499B1公开日：20021119
专利附图：
摘要：A sculpturing input device for computerized 3D sculpturing includes a base forconnection to a computer loaded with a virtual engraving program, and a magnetic stylusfor use with the base for controlling a virtual engraving tool to cut a virtual object of theprogram. An optical position measuring system is provided in the base for measuring the
position and direction of the stylus relative to the base, and determining the position anddirection of the tool relative to the object. A magnetic force feedback system is providedin the base for exerting a magnetic resistive force upon the stylus when the tool cuts intothe object, thereby simulating a counteracting resistive force of the object being cut.
申请人：HONG KONG PRODUCTIVITY COUNCIL
代理机构：Leydig, Voit & Mayer, Ltd.
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