ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,331, issued on Aug. 12, was assigned to FANUC Corp. (Yamanashi, Japan).
"Control device for performing test of safety signal circuit, and control method for performing test of safety signal circuit" was invented by Noboru Hirose (Yamanashi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control device has first and second control units. The first unit includes a timing unit which measures elapsed time and instructs the start of a first safety signal circuit test based on the time, and a first circuit test control unit which, when a safety signal circuit output signal has been output to a first circuit, or output thereof has stopped, detects ...