This article compares central analog amplifiers to distributed digital network attached amplifiers. The latest IP paging systems utilize the Ethernet…
How the University of Montana College of Forestry uses the IP camera system by Virginia Fair When a customer calls…
Recently there was an article in the IEEE technical journal that declared, “Video Telephony has Finally Arrived”. They described how…
Very low light optical cameras, IR illumination, and thermal cameras are options for seeing in the dark. It was a…
The other day I was walking down a street in Manhattan and I saw a guy selling watches. There was…
A wife sent her husband a message on a cold winter evening: "Windows frozen". The husband sent an answer back:…
One of the most important components in a paging system is the speakers. So before we define any paging system,…
The latest IP cameras have much better video quality than the early analog CCTV cameras. Even though they both capture…
Do you want to be able to read a license plate over a mile away? You can do it with…
Science Jokes Biology is the only science in which multiplication is the same thing as division. An interesting paradox: Noses…