ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,403, issued on Jan. 27.
"Flicker-free light color temperature changing system" was invented by Chao Chin Yao (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flicker-free light color temperature changing system includes a signal sending module and a light module. The signal sending module has a power supply unit and a microcontroller unit. The light module has a light unit and a logic signal unit. When the power supply unit is operating, the power supply unit supplies a power to the microcontroller unit and the light unit, and the light unit keeps on emitting light. When the microcontroller unit sends a color temperature change com...