ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,122, issued on Nov. 25, was assigned to SEIKO EPSON Corp. (Tokyo).
"Optical display device" was invented by Hitoshi Ota (Shiojiri, Japan), Yuiga Hamade (Matsumoto, Japan) and Mitsutaka Ide (Shiojiri, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical display device includes an image display element configured to emit image light, a deflection member configured to deflect the image light emitted from the image display element, an optical device including a lens barrel for accommodating a lens group including an objective lens and an eyepiece, and a moving mechanism provided at the lens barrel of the optical device and configured to hold ...