Serial impact printing system

B - Operations – Transporting – 41 – J

Patent

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197/77

B41J 1/30 (2006.01)

Patent

CA 1185553

ABSTRACT A serial impact printing system comprises a print element having support means; a set of character elements mounted on the support means in a character array, each of the character elements in the array adapted to be moved to an from a print position, the set including a subset having typeface configuration of lower case numerals; at least one coded area mounted on the support means containing a code for identifying the print element; drive means coupled to the print element for moving the character elements to and from the print position; means for moving a copy medium relative to the print element; keyboard means for selecting parti- cular characters of the set of print characters to be moved to the copy medium; sensor means for sensing the coded area of the print element; and print control means responsive to the sensor means and to the key- board means and coupled to the moving means for controlling the increment and movement of the copy medium relative to the print element whenever the code has been sensed by the sensor means and print characters from the subset have been selected by the keyboard means. This serial impact printer can automatically subscript lower case numerals without further action on the part of the typist other than selecting those numerals on the keyboard.

448188

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