ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,149, issued on Nov. 3, was assigned to ALL BEST PRECISION TECHNOLOGY Co. LTD. (Taoyuan City, Taiwan).
"Loopback module" was invented by Haven Yang (Taoyuan City, Taiwan) and Hung-Jhe Yang (Taoyuan City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A loopback module includes a housing, a circuit board and a thermoelectric cooler. The circuit board is disposed in the housing. The circuit board includes a loopback circuit, a microcontroller, a temperature sensor and a thermoelectric cooler driver. The thermoelectric cooler is disposed in the housing. The thermoelectric cooler has a first side and a second side located at opposite sides, wherein...