Automatic coordinate determining device

专利名称：Automatic coordinate determining device发明人：Tsuneo Ikedo申请号：US05/688835申请日：19760521公开号：US04088842A公开日：19780509

摘要：A device for detecting position coordinates of patterns such as graphs andcharacters which are plotted on a drawing media. The device includes a tablet on which aplurality of conductive lines are installed parallel to each other, and a probe positionablefor selecting a position coordinate. The probe comprises circular coils which are in amutual inductive relation with the conductive lines. The device determines the coordinateof the probe relative to the tablet by selecting and filtering a mixed signal which isproduced when scanning signals are applied to the conductive lines to induce signals inthe probe coils. A wireless probe and a plurality of probes can be used on one tablet.

申请人：KABUSHIKI KAISHA DAINI SEIKOSHA

代理人：Robert E. Burns,Emmanuel J. Lobato,Bruce L. Adams

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