Title: Alphanumeric display means for computer-linked typewriter consoles using a matrix array of liquid-crystal devices

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Abstract: The present invention relates to an alphanumeric display unit means for improving the identification quantities at selected key buttons of a computer-linked typewriter console through usage of identification indicia attached adjacent to or at the selected key buttons. Each display is in matrix format consisting of a set of liquid-crystal devices arranged in orthogonal rows and columns. Energization of each set of liquid-crystal devices is via digital control circuitry. Result: a repetitive display in matrix format in a configuration corresponding to an alphanumeric indicium for which display is sought.


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