Cursor display apparatus
Patent 4887230 Issued on December 12, 1989. Estimated Expiration Date: 
February 17, 2008. 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.
February 17, 2008. 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 ReferencesMethod and apparatus for providing two dimensional positioning data signals Absolute position mouse Electro-optical position determining system Position control apparatus Method for simultaneously displaying an image and an enlarged view of a selectable portion of the image with different levels of dot detail resolution Input apparatus for design work on an image-bearing screen Patent #: 4763116 InventorsAssigneeApplicationNo. 156847 filed on 02/17/1988US Classes:345/157, Cursor mark position control device345/156, DISPLAY PERIPHERAL INTERFACE INPUT DEVICE708/141Including specific nonkeyboard-type information entryExaminersPrimary: Lall, Parshotam S.Assistant: Teska, Kevin J. Attorney, Agent or FirmForeign Patent References
International ClassesG06F 003/033G06F 015/20 Foreign Application Priority Data1987-02-18 JPAbstractThe movement volumes of X and Y to the X axial direction and the Y axial direction and the rotate angle θ of the coordinate input device moved on the substrate, are calculated by the input controller. The calculating device outputs instruction signals to the display device to move the cursor displayed on the display device by the movement volumes of X and Y, and rotate the cursor by the rotation angle corresponding to that calculated by the input controller. | |
