US Patent Issued to SEIKO EPSON on Aug. 25 for "Variable lens, variable lens unit, optical system, projector and imaging apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,717,219, issued on Aug. 25, was assigned to SEIKO EPSON Corp. (Tokyo).

"Variable lens, variable lens unit, optical system, projector and imaging apparatus" was invented by Eiji Morikuni (Matsumoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A variable lens includes a first substrate that is light transmissive, a first liquid, a movable film that is in contact with the first liquid and is light transmissive and elastically deformable, a second liquid that is in contact with the movable film, and a second substrate that is light transmissive, the components described above sequentially arranged in the direction in which the beam passes along the...