ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,154, issued on Oct. 14, was assigned to SIGMASTAR TECHNOLOGY LTD. (Fujian, China).
"Wired transmitter with overvoltage protection" was invented by Zhong-Yuan Wan (Shanghai), Zhun Chen (Shanghai) and Jian-Feng Xue (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wired transmitter includes a digital-to-analog converter (DAC) and a line driver. The DAC generates first output signals according to a digital code, wherein a first circuit in the DAC operates in a first voltage domain and a second circuit of the DAC operates in a second voltage domain, and an upper limit of the first voltage domain is lower than an upper limit of the second voltag...