ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,311, issued on Aug. 25, was assigned to CANON K.K. (Tokyo).
"Power transmitting apparatus, power receiving apparatus, control method therefore, and storage medium" was invented by Hajime Shimura (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power transmitting apparatus measures a waveform attenuation rate of a transmission power waveform, at a transmission antenna, in a state in which the power transmission by the power transmitting is restricted, sets a threshold used for detecting a foreign object between the power transmitting apparatus and the power receiving apparatus on the basis of the measured waveform attenuation rate, a...