ALEXANDRIA, Va., June 6 -- United States Patent no. 12,284,474, issued on April 22, was assigned to Dell Products LP (Round Rock, Texas).

"Information handling system neck speaker and head movement sensor" was invented by Peng Lip Goh (Singapore) and Deeder M. Aurongzeb (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An information handling system neck speaker rests on an end user's shoulders to direct ultrasonic audio at the end user that resolves on impact to audible sound. The audible sound reflects to microphones on the neck speaker that monitor for doppler effects to determine head motion that is available for use as an input at the information handling system. Ultrasonic energy that does ...