ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,956, issued on Sept. 23, was assigned to Ameria AG (Heidelberg, Germany).

"Touchless user-interface control method including time-controlled fading" was invented by Martin Seiler (Ehrenkirchen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented touchless user-interface control method for an electronic display, comprising: defining a first spatial input area associated with a first depth camera for the recognition of touchless input, the first spatial input area having a first spatial boundary; defining a second spatial input area associated with a second depth camera for the recognition of touchless input, the second spat...