ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,283, issued on May 20, was assigned to Bose Corp. (Framingham, Mass.).
"Audio-based method for determining device distance" was invented by Casper Stork Bonde (Stovring, Denmark) and Rasmus Abildgren (Skorping, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods directed to determining the distance between two devices are disclosed. The systems and methods utilize a Bluetooth connection between a first device, such as a smartphone with an acoustic transducer, and a second device, such as an earbud with an embedded microphone, and the audio capturing capabilities of the second device to determine a distance between the two devi...