US Patent Issued to SAGEMCOM ENERGY & TELECOM on March 31 for "Detecting the open or closed state of a circuit breaker" (French Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,009, issued on March 31, was assigned to SAGEMCOM ENERGY & TELECOM SAS (Rueil Malmaison, France).

"Detecting the open or closed state of a circuit breaker" was invented by Henri Teboulle (Rueil Malmaison, France) and Pierre Lhuillier (Rueil Malmaison, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A meter including a phase conductor connected to a phase line of the network, a cut-off member, and a detection circuit comprising: an injection chain arranged, while the cut-off member is open, to generate a test signal with a predetermined voltage level, and arranged to inject the test signal into the phase conductor downstream from the cut-off m...