ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,295, issued on Oct. 14, was assigned to Yokogawa Electric Corp. (Tokyo).
"Two-wire transmitter" was invented by Youichi Iwano (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a two-wire transmitter that is connected to an external circuit via two transmission lines and that operates by using an input voltage and a current signal supplied from the external circuit, the two-wire transmitter including: a constant current circuit that controls the current signal in accordance with a detection result from a sensor; and a shunt regulator circuit that controls a circuit voltage in accordance with the input voltage, in which the shunt...