Alphanumeric display means for computer-linked typewriter consol

Details Alphanumeric display means for computer-linked typewriter consol Alphanumeric display means for computer-linked typewriter consol

1973-11-05

1976-01-20

Curtis, Marshall M.

Communications: electrical

Systems

Portable self-contained

340365R, 350160LC, G06F 314, G02F 118

Patent

active

039342425

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.

REFERENCES:
patent: 3654606 (1972-04-01), Marlowe et al.
patent: 3670322 (1972-06-01), Mallebrein

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