ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,405,673, issued on Sept. 2, was assigned to Ultrahaptics IP Two Ltd. (Bristol, Great Britain).
"Free-space user interface and control using virtual constructs" was invented by Raffi Bedikian (San Francisco), Jonathan Marsden (San Mateo, Calif.), Keith Mertens (Oakland, Calif.) and David Holz (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "During control of a user interface via free-space motions of a hand or other suitable control object, switching between control modes can be facilitated by tracking the control object's movements relative to, and its penetration of, a virtual control construct (such as a virtual surface construct). The te...