ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,436, issued on May 27, was assigned to ONIO AS (Oslo, Norway).
"Backscatter communication system" was invented by Vemund Bakken (Oslo, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein is a backscatter enabled device comprising: a receiver for receiving a signal in a first frequency channel including a data payload modulated onto a carrier and a constant tone extension at least part of which comprises a constant tone; energy detection means for detecting energy in the signal and initiating wait logic when, following an initial detection of energy, no energy is detected during a time period; wherein the wait logic is configured t...