ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,310, issued on Oct. 28, was assigned to CASIO COMPUTER Co. LTD. (Tokyo).
"Projector" was invented by Kohei Miura (Tokyo), Tomoyuki Ueda (Tokyo) and Hirofumi Fujikura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A projector includes an optical apparatus, a control circuit board disposed above an upper side of the optical apparatus, a cooling fan disposed near a rear surface outside air inlet port in a case which lies opposite to a projection direction and having an upper surface outside air inlet port configured to let in outside air from an upper surface and a lower surface outside air inlet port configured to let in outside air from a lowe...