The technology for storing data continues to bring us ever-increasing capacity. First, there were CD-ROM discs, next the DVD-discs, which…
Meeting the requirements of the Sarbanes-Oxley Act As I recall, the first optical discs became available in the fall of…
Ligtning's Thief, by Virginia Fair Once upon a time a major university installed IP cameras throughout its campus in reaction to…
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,…