Burglar alarms are used throughout the world and various systems can be installed to protect against problems other than break-ins. Most recently designed alarm systems will also respond to dangers of fire and flood and summon police, fire, and emergency medical teams to the home or business in which the alarm is installed.

Early Alarms

It’s suspected that before any alarm systems were built, early homeowners used other means of alerting themselves to intrusions. Often dogs or livestock were used to alert people of approaching strangers. Early homeowners may have also placed items in front of their doors at night so that if someone attempted to enter, a noise would be heard.

Bell Alarms

An English inventor named Tildesley invented the first acceptable burglar alarm. This system was a link of bells placed so that when an intruder attempted to open the door it would create a noise, alerting sleeping homeowners of the intended intrusion.

Electric Alarms

Edwin Holmes began manufacturing the first electric burglar alarms in the early 1850s. Holmes built upon the technology originally created by Augustus Pope. Holmes obtained Pope’s patent rights and began to expand upon the invention by adding a bell to the system to alert homeowners when a door or window was opened. Holmes first marketed his electric alarm system to wealthy homeowners living in New York City.

Present-Day Alarms

Many changes in the invention have occurred since the invention of the first electric burglar alarm and the alarm we use today. These changes have affected how the invention works and the invention’s included features. New technology has made the burglar alarm applicable for fire and flood detection in addition to break-in detection. Modern-day systems now alert proper officials to the homes, while earlier systems only alerted the homeowners, who were then responsible for taking action. Currently ADT and Brinks are the leading companies for home-security systems.

Potential

Modern-day alarm systems currently provide so much protection that many may wonder if there’s anything left for them to do. Maybe one day we will all be scanning our fingers and retinas to get into our own homes. Changes in crime rate will have the most effect on potential changes and advancements in current burglar-alarm technology.

Article Source:   www.eHow.com

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