US Patent Issued to Canon on Nov. 11 for "Power transmission apparatus, power receiving apparatus, control methods thereof, and storage medium" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,091, issued on Nov. 11, was assigned to Canon K.K. (Tokyo).

"Power transmission apparatus, power receiving apparatus, control methods thereof, and storage medium" was invented by Takahiro Shichino (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power transmission apparatus 100 wirelessly transmits power to a power receiving device 102 via a power transmission coil 304, measures a Q factor of the power transmission coil 304 in the time domain, and determines presence or absence of an object (foreign object) different from the power receiving apparatus 102 based on the Q factor measured in the time domain and a reference value of the Q factor ...