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:
Jun. 20, 1995
Filed:
Nov. 21, 1994
Applicant:
Inventor:
Ikuo Uchihori, Tokyo, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395575 ; 395550 ; 3642689 ; 3642677 ; 3642716 ; 364D / ; 371 36 ;
Abstract
A technique for preventing downtime in a redundant computer system having several processors without disconnecting any of the processors from the system. When an abnormality of a processor is detected, a pulse signal which assumes a HIGH value at a predetermined period is supplied to a busy controller of the processor to set the processor in a waiting state. In response to the HIGH value of this signal, the busy controller outputs a busy signal to set the processor in a waiting state and shifts an execution timing of data processing of the processor from that of a normal state, thereby preventing recurrence of the abnormality.