Fault tree displaying method and process diagnosis support system

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United States of America Patent

PATENT NO 5369756
SERIAL NO

07642892

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Abstract

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In a system which performs an inference based on fault tree knowledge, a guidance and a formula of definition can be displayed in a window on a CRT display screen by selecting the individual items from a fault tree on the display screen by using, for example, a soft key. For displaying an abnormal course in one display screen, only events relevant to the abnormal course is picked up, and the fault tree is then reedited, so that the reedited fault tree can be automatically displayed on the display screen.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTD A CORP OF JAPAN6 KANDA SURUGADAI 4-CHOME CHIYODA-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Imura, Yoshihiko Hitachi, JP 8 64
Kaji, Akira Hitachi, JP 14 675
Maruyama, Takekazu Hitachi, JP 4 233

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