Apparatus for and method of calculating sum of products

Details Apparatus for and method of calculating sum of products Apparatus for and method of calculating sum of products

1992-12-03

1995-03-21

Mai, Tan V.

Boots, shoes, and leggings

364748, G06F 700, G06F 738

Patent

active

054002710

ABSTRACT:
An apparatus for and a method of calculating a sum of products by which calculation of a sum of products can be performed with a high degree of accuracy. The apparatus includes a data memory for storing data therein, a coefficient memory for storing coefficients therein, and a cumulative adder including a multiplier, a cumulative adder and an accumulator for calculating the products of the data stored in the data memory and the coefficients stored in the coefficient memory in order of magnitude of the exponent parts of the coefficients stored in the coefficient memory and for cumulatively adding the products.

REFERENCES:
patent: 4931980 (1990-06-01), Rault
patent: 5032865 (1991-07-01), Schlunt
patent: 5185713 (1993-02-01), Kobunaya
patent: 5235538 (1993-08-01), Sumi et al.

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