US Patent Issued to MITSUBISHI ELECTRIC on July 14 for "Elevator door control device" (Japanese Inventor)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,697, issued on July 14, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Elevator door control device" was invented by Tohru Harada (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an elevator door control device capable of safely closing a door of an elevator when a power failure occurs and preventing an extra burden from being placed on a rescue worker. The elevator door control device according to the present invention includes a door dynamic braking control circuit (15) that performs, when a power failure occurs in a condition in which the door of the elevator is in an intermediate position, dynamic braking control of a door ...