US Patent Issued to Apple on Dec. 9 for "Dual-band RF mixer chain using dual-band matching network and shared local oscillator" (California Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,803, issued on Dec. 9, was assigned to Apple Inc. (Cupertino, Calif.).

"Dual-band RF mixer chain using dual-band matching network and shared local oscillator" was invented by Haowei Jiang (San Diego) and Ming-Da Tsai (Cupertino, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This case is directed to supporting LB/LB, LB/MB, LB/HB and MB/HB carrier aggregation while reducing the area consumed on a transceiver and reducing power consumed on the transceiver. In some cases, four supporting such carrier aggregation may include implementing four separate radio frequency mixer chains. However, implementing four separate mixer chains may consume exces...