Door properties in access control

At a first glance, access control would be a card reader that unlocks a door. However, it is much more elaborated than any could imagine.

It sets all the door properties and behavior. It recognizes the door status and the … Read more

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Video Watermarking in security systems

Watermarking is like a signature on a video. It reminds of the owner when using it.

I am going to explain watermarking in this article, let’s start by setting apart the two kinds of watermarking: Overlay image and digital watermarking.… Read more

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Security system responses to fire alarm

fire alarm response

This article is about the fire alarm system responses to a fire situation. So I will walk you through how a security system reacts when a fire alarm occurs. 

A fire alarm system is a system that sounds sirens in … Read more

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