Mechanic digital display device

Details Mechanic digital display device Mechanic digital display device

1974-08-01

1976-11-09

Mancene, Louis G.

Card, picture, or sign exhibiting

Check, label, or tag

Reinforced

G09F 930

Patent

active

039901653

ABSTRACT:
A mechanical digital display device in which a pair of display screens is arranged within a display zone. The screens are secured to a respective pivot lever movable in two planes to move the screens in horizontal and vertical directions and thereby form numbers or the like to be displayed.

REFERENCES:
patent: 1091335 (1914-03-01), Herrmann
patent: 1200437 (1916-10-01), Harris
patent: 1737573 (1929-12-01), De Mole
patent: 3537197 (1970-11-01), Smith

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