ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,229, issued on May 20, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Time-domain reflectometry protocol for sensors" was invented by Eric J. Campbell (Rochester, Minn.), Christopher Steffen (Rochester, Minn.), Chad Albertson (Rochester, Minn.) and Nicholas Ollerich (Rochester, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for collecting sensor data using time-domain reflectometry (TDR). A primary device transmits a TDR signal to a first sensor. A reflected signal is received in response to the transmitted TDR signal. The reflected signal is analyzed to determine an impedance of the first sensor. B...