B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
197/100
B41J 25/18 (2006.01) B41J 21/00 (2006.01) G06F 17/24 (2006.01)
Patent
CA 1092048
TAB LAYOUT DISPLAY FOR A TYPEWRITER ABSTRACT A panel of selectively-controllable indicator elements is associated with a viewable escapement scale on a typewriter and provides an indication of a set of operative tab stops stored in an electronic memory. Escapement position codes extracted from an electronic tab storage drive a logic circuit that is so connected as to modify the state of individual panel elements at corresponding escapement scale positions to indicate a tab layout. By providing, in a preferred implemen- tation, means for accessing the presently operative (selected) set of tab codes from a memory adapted to retain plural tab sets, the operator is enabled to assess the layout of each selection visually. In such an implementation for a type- writer having two different selectable pitches, say pitches of 10 and 12 characters per inch, the panel elements are arranged to display the selected tab layout respective of pitch.
309352
International Business Machines Corporation
Kerr Alexander
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