ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,380,820, issued on Aug. 5, was assigned to Qisda Corp. (Taoyuan, Taiwan).
"Projection device, control circuit and control method thereof" was invented by Chuan Chu Chen (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A projection device, a control circuit and a control method thereof are provided. The control circuit includes a plurality of voltage level shifters and an operation circuit. The voltage level shifters respectively receive a plurality of selection signals, and shift peak voltages of the selection signals to generate a plurality of processed signals. The operation circuit executes signal decoding operation to generate a plural...