Totally self-checking checker

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United States of America Patent

PATENT NO 5179561
SERIAL NO

07782720

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Abstract

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A totally self-checking checker checks the faults of a logical circuit and also checks faults inside itself. The totally self-checking checker does not require a large number of gate circuits and minimizes the number of test code words that are used. The code words, of the code word sets to be used, are less than half of all the code words of code since the bits of code Y are divided into M disjoint partial sets.

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Patent Owner(s)

Patent OwnerAddress
NTT DATA COMMUNICATIONS SYSTEMS CORPORATION26-5 TORANOMON 1-CHOME MINATO-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arakawa, Hiroki Tokyo, JP 13 74
Izawa, Nobuyoshi Tokyo, JP 4 82

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