Digital indicator

Details Digital indicator Digital indicator

1975-10-25

1976-06-08

Burr, Edgar S.

Card, picture, or sign exhibiting

Check, label, or tag

Reinforced

G09F 1100

Patent

active

039614328

ABSTRACT:
A segment type digital indicator, which displays flat and easy to read large dotted figures clearly in daylight, as well as at night, includes a masking plate having dotted apertures, segment shutter plates having vertically disposed arm members and mounted immediately behind the masking plate, a reflecting plate mounted immediately behind the segment shutter plates, and operating means connected to the vertically disposed arms of the segment shutter plates to operate the segment shutter plates in sequence for displaying dotted numerals from "0" through "9", or other dotted figures, on the masking plate.

REFERENCES:
patent: 3399474 (1968-09-01), Rinder
patent: 3399475 (1968-09-01), Rinder
patent: 3552048 (1971-01-01), O'Keefe
patent: 3579879 (1971-05-01), Samuels
patent: 3683523 (1972-08-01), Boyles
patent: 3837102 (1974-09-01), Golay

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