US Patent Issued to e-Vision Smart Optics on March 18 for "Augmented reality device with adjustable electroactive beam splitter" (Florida, Virginia Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,782, issued on March 18, was assigned to e-Vision Smart Optics Inc. (Sarasota, Fla.).

"Augmented reality device with adjustable electroactive beam splitter" was invented by Anthony Van Heugten (Sarasota, Fla.), Anita Trajkovska-Broach (Christiansburg, Va.) and Harry Milton (Sarasota, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Bright ambient light can wash out a virtual image in a conventional augmented reality device. Fortunately, this problem can be prevented with a variable electro-active beam splitter whose reflect/transmit ratio can be varied or switched on and off rapidly at a duty cycle based on the ambient level. As the ambient ligh...