US Patent Issued to GM Global Technology Operations on May 20 for "Presence-based vehicle access door release using digital key leveraging ultrasonic sensing" (Canadian, American Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,427, issued on May 20, was assigned to GM Global Technology Operations LLC (Detroit).

"Presence-based vehicle access door release using digital key leveraging ultrasonic sensing" was invented by Amy A. MacDonald (Northville, Mich.), Keysha Camps (Franklin, Mich.), John D. Cockburn (Tecumseh, Canada), Gabriel A. Cruz (Sterling Heights, Mich.), Jason Abraham (Troy, Mich.) and Connor A. Tagg (Berkley, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of controlling access into a vehicle interior from a vehicle exterior using an access door includes generating a digital key signal via a mobile device in possession of a vehicle user. The meth...