US Patent Issued to MAXELL on Oct. 21 for "Wireless power receiving device, wireless power transmitting device, wireless earphone, LED device, and wireless power transmitting and receiving system" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,733, issued on Oct. 21, was assigned to MAXELL LTD. (Kyoto, Japan).

"Wireless power receiving device, wireless power transmitting device, wireless earphone, LED device, and wireless power transmitting and receiving system" was invented by Katsuei Ichikawa (Tokyo), Yasuo Yahagi (Tokyo) and Hitoshi Akiyama (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wireless power receiving device (WPRD) comprises an RFID responder and a beacon signal oscillator to transmit an RFID response in a case where there is no electric power which is necessary for transmission of a beacon signal. A wireless power transmitting device (WPTD) operates in a wide...