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

340336, 340365R, G06F 314

Patent

active

039342433

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 light-emitting identification indicia attached adjacent to or at the selected key buttons. Each light-emitting display comprises a gaseous glow indicator tube means containing an ionizable gas selectively activated through controller switch means so as to provide a gas glow pattern corresponding to an alphanumeric indicium for which display is sought.

REFERENCES:
patent: 2769939 (1956-11-01), Williams
patent: 3582944 (1971-06-01), Kashio
patent: 3670322 (1972-06-01), Mallebrein

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