Foley & Lardner
Computer system comprising a plurality of terminal computers capable of backing up one another on occurrence of a fault
 In a computer system comprising a host computer and a plurality of terminal computers connected to the host computer, the host computer comprises a monitoring section for monitoring the terminal computers to judge whether or not a fault occurs in each of the terminal computers. The monitoring section produces a fault signal when the fault occurs in a faulty one of the terminal computers. A command producing section is responsive to the fault signal and produces a command signal to supply the command signal to a specific one of the terminal computers that is different from the faulty one of the terminal computers. Each of the terminal computers comprises a processing section responsive to the command signal for putting into operation to process a job which is carried out at the faulty one of the terminal computers. 
NEC Corporation
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inventional additional inventional
Tadayoshi
Nakano