ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,699,003, issued on Aug. 4, was assigned to Avago Technologies International Sales Pte. Ltd. (Singapore).

"Method and apparatus for interference reduction in optical sensing receivers" was invented by Junjie Lu (Irvine, Calif.), Jing Guo (Irvine, Calif.), Leon Samuel Wang (Irvine, Calif.), Xiaofeng Lin (Irvine, Calif.) and Xicheng Jiang (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a first circuit that has a photodetector. The photodetector is reverse-biased by a reverse-bias voltage. A common mode voltage is added to the reverse-bias voltage to provide an offset to the photodetector voltage. A second circuit is coup...