ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,784,142, issued on Nov. 3, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).
"Interference cancellation in imaging for constellation tracking" was invented by Ping Liu (Bothell, Wash.), Alfonsus Dibianto Lunardhi (San Ramon, Calif.) and Sean Patrick Dever (Redmond, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of tracking a peripheral device is disclosed. A synchronization request signal is emitted via an infrared (IR) emitter of a head-mounted device (HMD). A peripheral device is configured to activate an IR constellation of IR emitters as acknowledgement of receiving the synchronization request signal. An image frame ...