(under subclass 446) Exhibitor wherein letters or numbers are selectively presented by activating one or more of a plurality of elements, such elements being arranged in a matrix which will allow, upon elemental selective activation, the presentation of (1) any number, (2) any letter, or (3) any number or letter.
SEE OR SEARCH THIS CLASS, SUBCLASS:
550+, for lamps arranged to form letters or numerals.
583, for reflective elements which are arranged to form letters or numerals.
25+, for alphanumeric displays by a CRT, subclasses 33+ for segmented display elements, subclass 59 for a display matrix which conveys alphanumeric information, and subclasses 141+ for character information displayed on a generic display device, wherein selective electrical control is specifically set forth.
