US Patent Issued to Focus Universal on Oct. 7 for "Power line communication to control lighting" (California Inventor)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,495, issued on Oct. 7, was assigned to Focus Universal Inc. (Ontario, Calif.).

"Power line communication to control lighting" was invented by Desheng Wang (Diamond Bar, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are systems and methods using power line communication to control light fixtures. The system operates in two phases. In the first phase, a control device generates commands which are encoded on a control signal. The control signal is generated by encoding data using two sinusoidal waves, the second sinusoidal wave being a phase-shifted copy of the first sinusoidal wave. The resulting control signal is sent on a pow...