ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,869, issued on Sept. 16, was assigned to NXP B.V. (Eindhoven, Netherlands).

"Communication device and operating method" was invented by Jens Fleischhacker (Hamburg, Germany) and Hermanus Johannes Effing (Overasselt, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "In accordance with a first aspect of the present disclosure, a communication device is provided, comprising: a transmitter configured to transmit one or more radio frequency signal pulses; a detection unit configured to detect one or more load changes at a radio frequency interface occurring in response to the radio frequency signal pulses transmitted by the transmitter, wherein...