ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,400, issued on Jan. 27.
"Control system and method for adjusting dimming range of lamp" was invented by Kuo-Tsun Lin (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control system for a lighting device includes a driving circuit, a current detection circuit and a control unit. The driving circuit is configured to output a driving signal for driving the lighting device to emit light. The current detection circuit is configured to detect a current of the lighting device. The control unit is configured to control the driving circuit to gradually reduce an average voltage across the successive wave periods of the driving signal for re...