US Patent 10458153 Padlock

A padlock is disclosed comprising an electronic circuitry and such that the padlock may be opened via a near field communication network such as Bluetooth™ or via other electronic interfaces such as an integrated fingerprint scanner. In one embodiment the padlock is capable of receiving and transmitting radio frequency signals from nearby sensor nodes containing information regarding temperature, humidity, moisture, speed, vibration, liquid level, concentration of gases and other sensing devices for use in a system for monitoring, tracking, tracing, alarms, access management, access recording, authenticity and integrity of goods, documents or other valued objects in storage or transit.