ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,953, issued on Dec. 2, was assigned to SCHNEIDER ELECTRIC INDUSTRIES SAS (Rueil Malmaison, France).

"Method and system for polling communication devices in an industrial network system" was invented by Bertrand Fruchard (L'Isle d'Espagnac, France) and Caijin Wang (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "For polling communication devices in a communication system including a host device and communication devices. The host device is connected to the communication devices via a clock line for transmitting a clock signal to the communication devices and via an arbitration line implemented with "OR" logic for receiving arbitration signal ...