ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,139, issued on Oct. 14, was assigned to Dualitas Ltd (Milton Keynes, Great Britain).

"Method for a holographic projector" was invented by Rory Cooney (Milton Keynes, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A projection system that facilitates the use of in-situ detection of a change in wavelength, thereby enabling appropriate compensation or corrections to be applied on the fly to improve the quality of the image in the primary image region. In-situ detection in this manner can allow wavelength changes due to both temperature fluctuations and hardware variations to be compensated for simultaneously, thereby reducing the time and...