Method and apparatus for parity generation

Details Method and apparatus for parity generation Method and apparatus for parity generation

1993-01-04

1996-09-17

Beausoliel, Jr., Robert W.

Excavating

371 493, 371 494, G06F 1110, H03M 1300

Patent

active

055576222

ABSTRACT:
A parity generator for multibit binary data in which only a subset of bits change at one time includes a circuit for determining whether the number of bits in the subset to be changed is odd or even. A toggle signal generator generates a toggle signal only if the number of bits to be changed is odd. A toggling circuit selectively changes the level of the parity bit in response to the toggle signal.

REFERENCES:
patent: 3772680 (1973-11-01), Kawai et al.
patent: 3909783 (1975-09-01), Kashio
patent: 4429391 (1984-01-01), Lee
patent: 4580265 (1986-04-01), Gooding et al.
patent: 4757504 (1988-07-01), Stambaugh et al.
patent: 4879675 (1989-11-01), Brodnax

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