ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,007, issued on May 20, was assigned to ROBERT BOSCH GMBH (Stuttgart, Germany).
"Method for a pupil detection and/or pupil tracking, optical system and smart glasses" was invented by Johannes Meyer (Magstadt, Germany) and Johannes Fischer (Pliezhausen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for a pupil detection and/or pupil tracking with the aid of an evaluation of a speckle pattern back-reflected by an eye of a light of an infrared laser irradiated into the eye. At least the light of the infrared laser irradiated into the eye is scanned via a holographic optical element that includes different refractive structures, the dif...