ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,965, issued on March 4, was assigned to BDCM A2 LLC (Dover, Del.).

"Frequency offset using SiGe phase shifters" was invented by Narek Rostomyan (San Diego), Abdullah Ahsan Zaidi (San Diego), Kenneth Ray Carroll (Huntington Beach, Calif.) and Maha Achour (Encinitas, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A radar system for interacting with navigation targets is provided. The radar system is configured to interact with navigation targets (target devices) that shift the phase of a received radar transmission to generate a phase shifted response signal. Phase shifters (e.g., silicon germanium phase shifters) are designed to assign specifi...