ALEXANDRIA, Va., April 15 -- United States Patent no. 12,602,989, issued on April 14, was assigned to Comcast Cable Communications LLC (Philadelphia).

"Remote pairing using audio fingerprints" was invented by Michael Rekstad (Philadelphia), Clyde Robbins (Bensalem, Pa.) and Michael Sallas (Radnor, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, apparatuses, and methods are described for pairing a remote control with a controllable device using audio to confirm device pairings. The controllable device and remote control may communicate using low power protocols such as, for example, RF4CE, WiFi and/or Bluetooth low energy (BLE). The controllable device and the remote control may record and/or fing...