US Patent Issued to Delta Electronics (Shanghai) on Nov. 18 for "Detection signal, wireless charging method and wireless charging device" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,491, issued on Nov. 18, was assigned to Delta Electronics (Shanghai) Co. Ltd. (Shanghai).

"Detection signal, wireless charging method and wireless charging device" was invented by Shengyi Yang (Shanghai), Bin Li (Shanghai) and Yayu Li (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides a detection signal for detecting a power receiving device in wireless charging, wherein the detection signal is configured to wake up the power receiving device in a wireless charging field, and cause the power receiving device to generates a feedback signal based on a modulation wave of about 2 kHz; a duration time of the detection signal...