Alphanumeric display system

Details Alphanumeric display system Alphanumeric display system

1975-08-25

1976-11-09

Curtis, Marshall M.

Communications: electrical

Systems

With specific power supply

340324M, 178 30, G09F 932

Patent

active

RE0290335

ABSTRACT:
An alphanumeric display system including an array of sixteen electrically energizable, light-emitting elements capable, when selectively energized, of forming legibly all numerals and a substantial number of upper and lower case alphabet letters and/or mathematical and punctuation symbols. A similar array is disclosed having a maximum of twenty four light-emitting elements and capable of providing all numerals, upper and lower case alphabet letters and a majority of the symbols employed for punctuation and in mathematics. Both of the arrays disclosed are characterized by arrangement of the light-emitting elements in closely nested relation to form horizontal rows and columns inclined to the right and left at 60.degree. with respect to the horizontal. A solid state system including light-emitting diodes and switching transistors is disclosed.

REFERENCES:
patent: 3076187 (1963-01-01), Bichell
patent: 3368290 (1968-02-01), Loeb
patent: 3629655 (1971-12-01), Fullmer
patent: 3644922 (1972-02-01), James et al.

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