US Patent Issued to Telefonaktiebolaget LM Ericsson on March 31 for "Duplexer, multiplexer and multiband filter" (Canadian Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,723, issued on March 31, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).

"Duplexer, multiplexer and multiband filter" was invented by Chunyun Jian (Ottawa) and Mi Zhou (Nepean, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatuses are provided for a matched band pass filter utilized in a duplexer or multiplexer. In one embodiment, the matched band pass filter includes a filter part and a port-matching part that is coupled to and in signal communication with the filter part. The filter part is configured to filter an RF signal and includes an input port. The port-matching part includes an output port. The ...