ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,639, issued on Jan. 20, was assigned to Global Technology Inc. (Ningbo, China).
"Optical transmission control device" was invented by Weikang Ke (Ningbo, China), Fan Yang (Ningbo, China) and Qikun Huang (Ningbo, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical transmission control device comprises a first/second light emitting sub-component, a first/second signal transmission line, a laser driving component, and a microcontroller. The first signal transmission line is connected to the first light emitting sub-component and configured to receive analog signal. The second signal transmission line is configured to receive digital signal....