ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,534, issued on Dec. 9, was assigned to YOKOGAWA ELECTRIC Corp. (Tokyo).
"Primary machine and fault-tolerant system" was invented by Yoshitaka Yoshida (Musashino, Japan) and Takeshi Toinaga (Musashino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A primary machine includes a primary virtual machine including a synchronization information generator configured to generate and output synchronization information based on an instruction and a result of execution of the instruction, and a fault selector configured to determine a type of fault information generated when the instruction was executed. The primary VM changes operation depending on a res...