Digital hyperbolic function generator

Details Digital hyperbolic function generator Digital hyperbolic function generator

1975-05-20

1976-09-28

Ruggiero, Joseph F.

Registers

Transfer mechanism

Traveling pawl

235152, G06F 1534

Patent

active

039833690

ABSTRACT:
A digital hyperbolic function generator comprises a frequency dividing circuit for frequency dividing first clock signals of a fixed frequency to produce second clock signals for each fixed time interval, a setting circuit for changing the setting thereof in correspondence to the number n of said second clock signals, said setting being produced in a binary code, a modulating circuit for frequency modulating said first clock signals with said setting to produce third clock signals the period of which is proportional to ##EQU1## AND A CONVERTER CIRCUIT FOR PRODUCING A VOLTAGE CORRESPONDING TO THE NUMBER OF SAID THIRD CLOCK SIGNALS. The digital hyperbolic function generator thus constructed generates a hyperbolic function of polygonal line approximation the gradient of which changes for each fixed time interval with a high accuracy, and the operation thereof is stabilized against the change in ambient temperature because the circuits are constructed by digital elements.

REFERENCES:
patent: 3529138 (1970-09-01), Andre et al.
patent: 3573443 (1971-04-01), Fein
patent: 3654450 (1972-04-01), Webb
patent: 3689754 (1972-09-01), Le Febre
patent: 3729625 (1973-04-01), Inoue

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