ALEXANDRIA, Va., April 9 -- United States Patent no. 12,271,528, issued on April 8, was assigned to ULTRAHAPTICS IP LTD (Bristol, Great Britain).
"Three-dimensional perceptions in haptic systems" was invented by Benjamin John Oliver Long (Bristol, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic field may be produced from a transducer array having known relative positions and orientations In this acoustic field, one or more control points may be defined. An amplitude may be assigned to the control point. Mid-air haptic effect for a virtual object on a human body part may be generated by moving the control point in a single closed curve comprising a plurality of curve segments. The sin...