Programmable digital circuit for performing a matrix multiplicat

Details Programmable digital circuit for performing a matrix multiplicat Programmable digital circuit for performing a matrix multiplicat

1989-05-03

1991-03-19

Malzahn, David M.

Boots, shoes, and leggings

364754, G06F 752

Patent

active

050016636

ABSTRACT:
The circuit includes a cascaded array of digital circuit blocks that together implement a matrix multiplication in each channel of a color video signal processing system. Each circuit block includes two registers for multiplying or dividing two input digital signals by respective powers of two according to programmable bit shifts. The resultant signals are arithmetically combined according to a programmable arithmetic function to provide an output signal. By mask programming the arithmetic function and the bit lenghts of the shifts for each block and by cascading the programmed blocks, the multipler coefficients of the matrix are established and the output signal represents a specified color matrix operation.

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patent: 4568968 (1986-02-01), Ullrich
patent: 4589019 (1986-05-01), Dischert et al.
patent: 4700229 (1987-10-01), Herrmann et al.

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