ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,449, issued on Oct. 20, was assigned to Ford Global Technologies LLC (Dearborn, Mich.).
"Access control barrier" was invented by Jamie Kelleher (Rayleigh, Great Britain) and Richard David Balch (Chelmsford, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An access control barrier is provided. A sensor of the barrier detects at least one of the receiving of a movable barrier element of the barrier at a receiver portion of the barrier and the removal of the movable barrier element from the receiver portion. A transmitter of the barrier transmits an indication of a change of barrier status to a server responsive to the sensor detecting at ...