Interactive combination display
Patent 4417239 Issued on November 22, 1983. Estimated Expiration Date: 
December 24, 2000. 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.
December 24, 2000. 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 References 3654609 Cursor find system for the display of a word processing system Readout for recording typewriter Raster scanned display system Interface device for encoding a digital image for a CRT display Patent #: 4121283 InventorsApplicationNo. 06/219668 filed on 12/24/1980US Classes:715/856, Cursor345/660, Scaling400/83DISPLAYING TYPEWRITER-FORMED REPRESENTATION OF PRINT-LINEExaminersPrimary: Curtis, Marshall M.Attorney, Agent or FirmInternational ClassesG06F 17/21 (20060101)G09G 5/08 (20060101) G09G 1/16 (20060101) AbstractThere is disclosed a technique for displaying scrollable operating and scale lines simultaneously with an active miniature full page representation. Displayed on the operating line along with active characters is a cursor character. Displayed in the miniature full page are text indicators for representing accurately to the operator the format of the whole page of text. The miniature page is updateable upon keying. The position of the cursor within the miniature full page representation is indicated by blinking the associated character position and displaying peripheral arrows adjacent the outline of the miniature full page representation.Other References
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