Title: Alphanumeric display means for computer-linked typewriter consoles using a plurality of planar gaseous discharge means within a unitary envelope containing an ionizable gas

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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 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.


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