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

039342484

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. The light-emitting display unit means comprises a set of planar gas discharge means each including at least a pair of side-by-side indicator units aligned on a common side within a unitary transparent envelope containing an ionizable gas and selectively activated by means of controller switch means connected thereto. Result: a two-character display in a pattern of light corresponding to the alphanumeric indicia for which display is sought.

REFERENCES:
patent: 3290531 (1966-12-01), Rychlewski
patent: 3670322 (1972-06-01), Mallebrein
patent: 3671869 (1972-06-01), Wolfram

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