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Get Your New Transponder Key From A Local Locksmith
By Tyler Peterson Published: 02/22/2010
One of the most beneficial advancements in modern-day automobiles is the use of transponder keys or chip keys. These devices provide a great deal of security, making it extremely difficult for a car thief to steal a vehicle utilizing this technology. Good news for the car owner but bad news for the crook.
They work like this. Transponders are electronic units built to transmit and respond to electric impulses. They do this in a wireless fashion, like a wireless computer modem. The technology has been around for almost eighty years, but new applications continue to be found. First used by World War 2 pilots to send coded signals to ground radar, this made it possible to announce their status as a friend rather than an enemy.
These devices continue to be used today in the aviation industry. They are what make it possible for the radar operators in an airport control tower to know where an airplane is, what heading it's on and at what altitude. They are what make the little dots show up on the control tower's radar screens.
There are numerous other applications for transponder technology. If you've ever driven on a toll road and noticed that some cars don't stop at the booth to pay a fee like everyone else, here's why. These are probably daily commuters and they've has a transponder installed on their vehicle, allowing each of their trips to be counted by the computer in the toll plaza.
If you own a cell phone, you already have a transponder. Cell phones are required to have these devices built in. That way, if a call is ever made to 9-1-1 from that phone, its location can be easily traced. This can, in some cases, be a lifesaver. Mountain climbers and backpackers might also use one of these gadgets for use in case they get in some kind of trouble and require assistance.
A fairly new development for the use of this technology is in the chip key, so called because of the chip or circuit embedded within the head of the key. These keys, used for automotive ignition systems, go a long way in securing the vehicles in which they're used. When the key is inserted and turned in the ignition cylinder of the car, the on-board computer sends a signal to the key and waits for a response. The key, which doesn't use batteries but is energized by the computer signal it receives, then sends a coded message back to the car's computer. If the key does not respond with the proper message, the car simply shuts down and will not start.
Protection from theft is a major concern to car owners and transponder keys make this very feasible. Where once a criminal needed only to gain entry and touch a couple of wires together to steal a car, that's no longer possible with a system like this. And using a tool to disable the ignition cylinder won't work anymore either. Without the proper key in hand, there will be no power to go.