Device for displaying numbers

Details Device for displaying numbers Device for displaying numbers

1974-10-21

1976-08-03

Pitrelli, John F.

Card, picture, or sign exhibiting

Check, label, or tag

Reinforced

40130E, 340336, G09F 934

Patent

active

039721396

ABSTRACT:
A number-displaying device wherein a light chamber of an external unit is sub-divided by units wedged therein into seven compartments in a figure eight array, such that by selectively energizing an appropriate combination of seven lights (one in each said compartment), any number from zero to nine is formed in the display area of the device.

REFERENCES:
patent: 3137082 (1964-06-01), Phlieger
patent: 3226864 (1966-01-01), Rehler
patent: 3249932 (1966-05-01), Sklaroff
patent: 3608222 (1971-09-01), Koch
patent: 3728808 (1973-04-01), Rieth

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