US Patent Issued to Envisics on April 21 for "Method of calibrating a holographic projector" (British Inventor)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,962, issued on April 21, was assigned to Envisics Ltd. (Milton Keynes, Great Britain).

"Method of calibrating a holographic projector" was invented by Sebastian R. de Echaniz (Milton Keynes, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a method of calibrating a holographic projector. The method comprises displaying a primary diffractive pattern on a display device, wherein the primary diffractive pattern comprises a first hologram of a first target image and a phase-ramp function. The method further comprises illuminating the primary diffractive pattern to form a first holographic reconstruction of the first target...