This smart lock can open doors via specific knocks
![This smart lock can open doors via specific knocks](https://parolaanalytics.com/wp-content/uploads/2021/07/This-smart-lock-can-open-doors-via-specific-knocks.jpg)
A recently published patent application from Virginia-based Alarm.com features a device with three major parts.
AI could enable security cameras to pinpoint gun carriers
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AlgoLook, a company specializing in artificial intelligence products, is patenting a method that enables video cameras to detect and identify weapons.
This security system monitors the footsteps of impostors
![](https://parolaanalytics.com/wp-content/uploads/2021/07/This-security-system-monitors-the-footsteps-of-impostors.jpg)
Inventors from the Indian Institute of Technology in New Delhi have come up with a way to identify intruders by the seismic signals of their footsteps.