The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 28, 1990
Filed:
Aug. 12, 1987
Isao Wachi, Hitachi, JP;
Kinji Mori, Yokohama, JP;
Masayuki Orimo, Kawasaki, JP;
Yasuo Suzuki, Ebina, JP;
Katsumi Kawano, Fuchu, JP;
Minoru Koizumi, Yokohama, JP;
Kozo Nakai, Katsuta, JP;
Hirokazu Kasashima, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In a distributed system having a plurality of processors connected to a common transmission line, each processor comprises means for registering erroneous programs within the processor, and means for changing modes, so that a program is diagnosed on the basis of a processed result of data accepted from the transmission line and is registered in the erroneous program registration means if it is erroneous, and that the mode change means changes-over the test mode and the on-line mode by reference to the erroneous program registration means and in correspondence with the programs registered in or canceled from the registration means.