Including Quadding Of Print-line Patents (Class 400/2)
  • Patent number: 4457638
    Abstract: A method for the automatic center tab insertion within a column example line comprising the steps of an operator cursor move to a column margin to define an end position; and responsive to a function key stroke, the machine steps of concurrently moving the cursor to the other column margin and counting the text characters of the example; calculating the distance to the column center position; concurrently moving the cursor to the calculated center position, and inserting a centered tab stop control character therein.
    Type: Grant
    Filed: September 24, 1981
    Date of Patent: July 3, 1984
    Assignee: International Business Machines Corporation
    Inventors: Gary R. Horn, Kenneth O. Shipp, Jr.