Expandable bi-phase convolving element

Details Expandable bi-phase convolving element Expandable bi-phase convolving element

1987-06-24

1989-03-07

Harkcom, Gary V.

Boots, shoes, and leggings

G06F 15336

Patent

active

048112712

ABSTRACT:
A convolving element which processes sixteen 4-bit samples but may be expanded to convolve both a larger number of samples and a larger number of bits per sample. The expansion occurs through interconnections of identical convolving elements. A selective inversion element inverts particular ones of the convolved samples under the control of a previously loaded binary code. The selective inversion element additionally minimizes interconnections and therefore input/output terminals of the convolving element, by permitting carries for each sample convolved to be accumulated rather than to propagate to more significant elements.

REFERENCES:
patent: 4346475 (1982-08-01), Alexis
patent: 4347580 (1982-08-01), Bond
patent: 4750144 (1988-06-01), Wilcox
Marconi Data Sheet on Bit-Slice Correlator, MA717, Issue A-1, Apr. 1985, C64.
Nussbaumer, "Efficient Implementation of Convolutions and Discrete Transforms Using Polynomial Transforms and Distributed Arithmetic," IBM Technical Disclosure Bulletin, vol. 21, #6, pp. 2374-2375, Nov. 1978.

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