US Patent Issued to Apple on Sept. 9 for "Self-mixing interference device with tunable microelectromechanical system" (California Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,043, issued on Sept. 9, was assigned to Apple Inc. (Cupertino, Calif.).

"Self-mixing interference device with tunable microelectromechanical system" was invented by Tong Chen (Fremont, Calif.), Ahmet Fatih Cihan (San Jose, Calif.), Edward Vail (Menlo Park, Calif.), Weiping Li (Pleasanton, Calif.), Xiaolong Fang (Fremont, Calif.), Xibin Zhou (Palo Alto, Calif.) and Pengfei Qiao (El Cerrito, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Self-mixing interferometry (SMI) sensors may include vertical cavity surface emitting lasers (VCSEL), photodetectors, and microelectromechanical systems (MEMS). The VCSEL, photodetectors, and MEMS may be verti...