Hardware reduction by truncation of selected number of most sign

Details Hardware reduction by truncation of selected number of most sign Hardware reduction by truncation of selected number of most sign

1980-08-26

1982-07-20

Atkinson, Charles E.

Boots, shoes, and leggings

3401462, G06F 702

Patent

active

043409407

ABSTRACT:
In order to reduce the amount of hardware required in comparing 8-bit numbers representing digitized video signals, only the four LSB are compared, since if the numbers differ by more than the four LSB, no comparison is desired. This is done by detecting if any of the four MSB are logic "1", and if so, setting all of the four LSB to logic "1".

REFERENCES:
patent: 4101903 (1978-07-01), Slay
patent: 4149261 (1979-04-01), Harigaya et al.

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