ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,747, issued on Dec. 9, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).
"Amplifier protection circuit and method" was invented by Richard Hellberg (Huddinge, Sweden) and Rui Hou (Taby, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatus are provided. In an example aspect, an amplifier protection circuit is provided. The amplifier protection circuit comprises an input for receiving a signal from a first amplifier, and an isolation circuit between the input and an output of the amplifier protection circuit. The isolation circuit is configured to sense a backward signal propagating from the output of the amplif...