Distributed processing system and method

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United States of America Patent

PATENT NO 4797885
SERIAL NO

06940495

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Abstract

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In a processing system including a plurality of processing units connected to a common transmission line, the improvement for permitting program tests under on-line environments characterized in that each of the processing units decides whether or not a program loaded in its own processing unit is a program to be tested, establishes a test mode when the program is to be tested, processes the program irrespective of whether or not the program is in the test mode, data of a test result being generated on the basis of data of a processed result when the program is in the test mode, and delivers the results to the common transmission line.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTD 6 KANDA SURUGADAI 4-CHOME CHIYODA-KU TOKYO JAPAN A CORP OF JAPANNot Provided

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kasajima, Hirokazu Hitachi, JP 2 45
Kawano, Katsumi Fuchu, JP 61 1449
Koizumi, Minoru Yokohama, JP 54 1296
Mori, Kinji Yokohama, JP 73 1937
Nakai, Kozo Katsuta, JP 21 367
Orimo, Masayuki Kawasaki, JP 45 1181
Suzuki, Yasuo Ebina, JP 441 5346

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