ALEXANDRIA, Va., June 25 -- United States Patent no. 12,342,281, issued on June 24.
"Low power key systems and methods" was invented by Aaron DeLong (Toledo, Ohio) and Vivekanandh Elangovan (Canton, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A Passive Entry Passive Start (PEPS) method is described. The method includes obtaining, via a BLE receiver of a key fob, a first BLE wakeup signal from a vehicle. In response to obtaining the first wakeup signal, the method includes activating a BLE transceiver of the key fob. Upon activation of the BLE transceiver, the method includes activating a UWB transceiver of the key fob via the BLE transceiver. When the UWB transceiver is activated, the method include...