ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,499,747, issued on Dec. 16, was assigned to KONE Corp. (Helsinki).
"Solution for detecting an arrival of a maintenance person to a maintenance site" was invented by Matti Laakso (Helsinki) and Matti Mustonen (Helsinki).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method detects an arrival of a maintenance person to a maintenance site. The method includes: scanning radio transmissions from radio devices residing within a radio range of a mobile terminal device carried by the maintenance person; detecting amongst the scanned radio transmissions at least one radio transmission from at least one radio node arranged to the maintenance site for which the m...