Graphics tablet with N-dimensional capability
October 4, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesPoint location and graphics display apparatus Control interface Portable three dimensional graphics tablet Three-dimensional image display system Method for interactive rotation of displayed graphic objects Electrographic touch sensor with Z-axis capability Tracer for electrographic surfaces Man-machine link for converting coordinates to phase differences representative of increments in the coordinates Multiple function control member Digitizer stylus with pressure transducer InventorsAssigneeApplicationNo. 592796 filed on 10/04/1990US Classes:178/18.01, Position coordinate determination for writing (e.g., writing digitizer pad, stylus, or circuitry)345/157Cursor mark position control deviceExaminersPrimary: Schreyer, Stafford D.Attorney, Agent or FirmInternational ClassG08C 021/00AbstractA digitizer tablet and puck(cursor) for use therewith, characterized that in one aspect the puck is provided with at least one additional control which will provide the user with the ability to control at least one N-dimensional signal in addition to the normal X-Y coordinate data. In accordance with another aspect, any pointing device for the tablet is provided with the capability to control the manner in which the N-dimensional signal varies in response to user manipulation of the pointing device. | |
