ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,770, issued on July 21, was assigned to Coretronic Corp. (Hsin-Chu, Taiwan).

"Projection device" was invented by Jia-Hong Dai (Hsin-Chu, Taiwan) and Wei-Chi Liu (Hsin-Chu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A projection device includes a heat source and a heat dissipation module, including a heat dissipation base, a heat dissipation fin set, at least one heat conductor, a first fan and a second fan. The heat dissipation fin set has first and second regions adjacent to each other. The first region is located between the heat dissipation base and the second region. The first region has two opposite first ventilation surfaces. The se...