Digital interpolator

Details Digital interpolator Digital interpolator

1975-05-20

1977-01-04

Atkinson, Charles E.

Registers

Transfer mechanism

Traveling pawl

G06F 1534

Patent

active

040015653

ABSTRACT:
A digital interpolator in which a value previously stored in a program memory circuit such as an ROM is read out by addressing it with an output of a counter having a predetermined value preset therein, the value read out is accumulated in an accumulator, a control circuit controls the supply of N-1 or N clock pulses to the accumulator and the counter, and the digits in the output of the accumulator which digits are ones located at the digit position whose figure is equal to the exponent of a radix number for operation to denote N and greater digit positions are stored in another memory circuit, whereby the output of the program memory circuit is divided by N and an interpolated value is determined by digital proportional division technique.

REFERENCES:
patent: 3617716 (1971-11-01), Schulz
patent: 3676655 (1972-07-01), Ancona
patent: 3748447 (1973-07-01), Hajicek et al.
patent: 3789203 (1974-01-01), Catherall et al.
patent: 3813529 (1974-05-01), Bartlett
patent: 3821524 (1974-06-01), Wahl
patent: 3846625 (1974-11-01), Sasayama
patent: 3862404 (1975-01-01), Fiedrich

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