ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,390, issued on May 13, was assigned to COMBA NETWORK SYSTEMS COMPANY Ltd. (Guangzhou, China).

"Analog pre-distortion processing circuit and signal processing device" was invented by Jinxiong Zhu (Guangzhou, China), Qiyan Fan (Guangzhou, China) and Luping Xie (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An analog pre-distortion processing circuit and a signal processing device, the analog pre-distortion processing circuit comprises a narrowband spread spectrum module, an analog pre-distortion module and a filtering module. The narrowband spread spectrum module is used for spreading an input narrowband radio frequency signal into a...