ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,647, issued on March 25, was assigned to Ohio State Innovation Foundation (Columbus, Ohio).
"Data delivery using acoustic transmissions" was invented by Can Emre Koksal (New Albany, Ohio) and Harihara Varma Indukuri (Chicago).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, and computer program products for delivering information to an individual, group, or device. The information is carried by audio signals beyond the audible frequency range of human hearing, but within the frequency range of an audio system. The information is modulated onto an ultrasonic frequency and embedded into an audio signal transmitted by the audio system. ...