Alphanumeric display means for computer-linked typewriter consoles

DETAILED DESCRIPTION I claim: 1.
A device for displaying alphanumeric light-emanating indicia at selected key buttons of a keyboard of a typewriter console forming an I/O link with a general-purpose digital computer, each light-emanating alphanumeric indicum being related to a font operational characteristic resulting from movement of one of said selected key buttons under control of a human observer-user whereby said font operational characteristic is permanently recorded on paper at said typewriter console in full view of said human observer-user through mechanical button-font-paper interaction, comprising a.
an array of fiber optic, light-conducting members having near ends arranged to display at or adjacent to at least one of said selected key buttons said light-emanating alphanumeric indicium associated with said font operational characteristic, said alphanumeric indicium being of sufficient intensity so as to be easily discernible to said human observer-user using said typewriter console irrespective of the background lighting environment thereabout; b.
elongated rigid cantilevered frame means attached to and supportive of said array, said frame means including cooperative means in gripping contact with corresponding key buttons of said keyboard; c.
incandescent bulb means positioned at remote ends of said array of fiber optic, light-conducting members; and d.
optical encoding means operatively connected to said array of fiber optic members and including cooperative means for aiding in the controlled generation of a series of encoded light signals which fall on more remote ends of said fiber optic, light conducting members in a pattern corresponding to said alphanumeric indicium for which display is sought.
2.
In a device for displaying alphanumeric indicia at selected keys of a keyboard of a typewriter console forming an I/O link with a general-purpose computer, each indicium being related to a font operational characteristic resulting from depression of a selected key button under control of a human observer-user whereby said font operational characteristic is permanently recorded on paper at said typewriter console in full view of said human observer-user through mechanical button-font-paper interaction, the improvement comprising; a