73824194
Sep 7, 1989
Dec 21, 1993
LOCAL COMPUTER-BASED CONTROL SYSTEMS; NAMELY, RELAYS AND PROTECTIVE RELAYS, AUTOMATIC RECLOSING EQUIPMENT COMPRISING DISC CONNECTORS AND GROUNDING SWITCHES; AND SYNCHRONISHING AND SYNCHRO CHECK EQUIPMENT, ALARM SYSTEMS, FAULT LOCATORS, ALL COMPRISING A STATION COMPUTER, A BAY LEVEL COMPUTER, A COMMUNICATION UNIT SUBSTATION, A REMOTE CONTROL SYSTEM AND A HIGH PERFORMANCE ETHERNET SERIAL BUS; AND TEMPERATURE AND SPEED MONITORS
Electrical and Scientific Apparatus