ALEXANDRIA, Va., March 12 -- United States Patent no. 12,250,099, issued on March 11, was assigned to PassiveLogic Inc. (Holladay, Utah).
"External activation of quiescent device" was invented by Marciano Preciado (Salt Lake City), Sterling Thomas Sleight (Murray, Utah) and Jeremy David Fillingim (Salt Lake City).
According to the abstract* released by the U.S. Patent & Trademark Office: "After installation, a device may be not yet powered. It may be awakened by receiving a flash of light of sufficient frequency and amplitude. After waking, the device decodes the message to determine its next action, and, upon request sends an authentication message. This enables a single user action to wake the device up and set it up with networking cre...