Display of mathematical equations

Details Display of mathematical equations Display of mathematical equations

1975-03-10

1977-08-02

Curtis, Marshall M.

Communications: electrical

Systems

With specific power supply

35 6, 35 30, 40 28C, 340324R, 340380, G09F 932

Patent

active

040400484

ABSTRACT:
Apparatus for displaying a mathematical equation including an arithmetic function sign, digits adjacent the arithmetic function sign and digits remote from the arithmetic function sign provides blanking intervals between succeeding energizations of display portions and interpose the energization of a remote digit display between the energization of the arithmetic function sign display and an adjacent digit display.

REFERENCES:
patent: 39296 (1863-07-01), Livermore
patent: 2583184 (1952-01-01), McCarty, Jr. et al.
patent: 3584398 (1971-06-01), Meyer et al.
patent: 3603965 (1971-09-01), Somlyody
patent: 3760403 (1973-09-01), Kippenhan
patent: 3797012 (1974-03-01), Gibbs et al.
patent: 3872463 (1975-03-01), Lapeyre
patent: 3925777 (1975-12-01), Clark
patent: 3971012 (1976-07-01), Morokawa et al.

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