US Patent 11995965 Anti-theft device utilizing electronic gadget to produce an alarm

The anti-theft device for securing an electronic gadget against theft. A security sensor is attached to a rear surface of the electronic gadget. The security sensor is electrically coupled to the electronic gadget via a cable. A security software application is deployed on the electronic gadget. The security sensor is configured to transmit predefined security signal to the electronic gadget. The security application is configured to detect the predefined security signal. Responsive to detecting a security event, the security sensor stops transmitting the security signal. The security application is configured to transition the electronic gadget into an alarm state if the security application fails to receive the security signal.