ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,151, issued on July 8.
"Antenna structure with reduced angle error" was invented by Tae Hwan Yoo (Incheon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to an embodiment, an antenna structure comprises a printed circuit board including an integrated circuit processing a radio frequency (RF) signal, a feeding line connected to the integrated circuit, and a feeding pad connected to the feeding line to transfer the RF signal and a conductive upper layer including an antenna slot pattern connected with the feeding pad through a waveguide and vertically opened to radiate or receive the RF signal. The conductive upper layer further i...