The lens of an IP camera determines the field of view (FOV). A lens can provide a wide or narrow FOV. For example, A wide field of view allows us to see a pasture filled with cows, and a narrow field of view allows us to see only one cow.
This article describes how to determine and calculate the best Field of View (FOV).
Continue reading “The Field of View for IP Camera Systems”Here are some questions that I have:
When you choke a Smurf, what color does it turn?
Does fuzzy logic tickle?
Do they have reserved parking for non-handicap people at the Special Olympics?
How come wrong numbers are never busy?
By August of 2022, there had been over 300 mass shootings in the United States. With the increase in mass shootings, Panic Buttons have become more popular. Several emergency notification systems have been developed over the past few years to address this requirement.
This article compares the different systems available and how they can be used.
Continue reading “Panic Button Comparison”
The brain of a door access control system is the controller or access control panel. One or more door readers connect to a controller. The access controller receives the person’s ID number from the door reader, matches the credential to the list of approved users, and then opens the electric lock.
This article compares the different types of access controllers or control panels.
Continue reading “Access Controller Comparison”As I get older, I realize
Why isn’t phonetic spelled the way it sounds?
Why are there interstate highways in Hawaii?
Why are there flotation devices under plane seats instead of parachutes?
The magnetic door lock is a unique lock requiring special handling to ensure safety. Since the mag lock holds the door shut and prevents both egress and ingress, additional devices must be present to allow people to exit.
This article describes how to use the magnetic lock in your access control system.
Continue reading “The Magnetic Door Lock”
The IP cameras are designed for different applications. What is the best camera for your application? This article compares the different IP cameras and describes the Pros and Cons, and the best place to use each type of camera.
Continue reading “Bullets, Domes, and PTZ Cameras”A man is walking home around midnight
“Poor Old fool,” thought the well-dressed gentleman as he watched an old man fish in a puddle outside a pub. So, he invited the older man inside for a drink. As they sipped their whiskeys, the gentleman thought he’d humor the old man and asked, “So how many have you caught today?”
The old man replied, “You are the eighth.”
Two fleas were walking out of a bar when they discovered it was raining.
One turned to the other and asked – Shall we walk or take a dog?
An IP Paging System is a set of network-attached audio devices that convert digital signals to audio. These network-attached speakers include amplification so that many people can hear the message. The system also includes software used for managing and controlling the audio. The IP Audio system includes speakers, intercoms, audio amplifiers, and management software.
Continue reading “How the IP Powered Speakers and Intercoms Work”
Door access control is part of an overall security system that keeps our organizations safer. The access control system ensures that only registered people can enter the organization. It provides four essential functions:
This article describes the components of an access control system.
Continue reading “How Access Control Works”