US Patent Issued to ZHEJIANG UNIVERSITY on July 7 for "Cross-band passive backscatter circuit" (Chinese Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,668, issued on July 7, was assigned to ZHEJIANG UNIVERSITY (Zhejiang, China).

"Cross-band passive backscatter circuit" was invented by Bo Zhao (Zhejiang, China) and Junhong Sun (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed in the present disclosure is a cross-band passive backscatter circuit, which belongs to the technical field of radio frequency transceivers. The cross-band passive backscatter circuit includes: an uplink including an input radio frequency antenna, a matching network, a carrier enhancement circuit, a carrier frequency division circuit, a cross-frequency backscatter module, a digital baseband, and an outpu...