What is a Keyless Entry System?
What is a keyless entry system?
Vince Migliore
August 12, 2008
In its most basic form, a keyless entry system is a technology that allows a person to gain access to anything that is locked up, where the “lock” does not use a traditional key. Instead, the property, such as a car, is rendered inoperable until such time as the owner comes within a few feet while in possession of a device that remotely allows access.
The most common form of a keyless system is the ignition systems found in some high-end automobiles. The technology works by placing a Radio-Frequency IDentification (RFID) transponder in the vehicle’s ignition system. A relay, or switch, prevents the car from starting. When the owner comes within the vicinity of the car carrying a passive RFID device, the transponder recognizes the legitimate owner, and unlocks the system. The owner then simply presses a push button to start the car. When he leaves the vicinity, the car locks itself again automatically.
Although the luxury cars are the most popular form of keyless systems, the technology is now being applied to other kinds of vehicles, home security systems, business alarm systems, and even computer security devices.
The major advantage for consumers is convenience – no fishing around for keys – and security – as the system prevents theft and is often complimented by an alarm system. Many industry experts expect these advantages to translate into much wider use of keyless entry systems.
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