ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,717,220, issued on Aug. 25, was assigned to SEIKO EPSON Corp. (Tokyo).

"Position adjustment apparatus and projection system" was invented by Takahiro Totsuka (Azumino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A position adjustment apparatus includes a housing, a first rotary table on which a first projector is placed and which is rotatably supported by the housing about a first rotation axis, and a second rotary table on which a second projector is placed and which is rotatably supported by the housing about a second rotation axis. The housing includes a first opening through which first image light projected from the first projector passes ...