Automobile News and Information

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.

Here’s how they work. A transponder is an electronic gadget designed to send and receive electronic signals, which it does without the use of wires. They have been in use for years, most notably since the advent of aircraft radar systems during World War 2. Airplanes would be fitted with transponders that could communicate with ground radar operators, thereby signifying whether or not they were a friendly aircraft.

They’re still used today in aircraft around the world and are responsible for allowing radar operators in airport control towers to know who’s flying in their skies, where they’re heading and at what altitude. They send a unique signal to the radar equipment that shows up as a little icon on the screen, making an air traffic controller’s job manageable.

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.

One of the newer developments in transponder technology is in its application to chip keys. The name comes from the fact that there’s a microchip or circuit located in the plastic head of the key that is used to activate the ignition system of the car in which they’re installed. When turned in the ignition lock, these devices will immediately receive a signal from the car’s computer and then respond with its own signal. If the computer receives no response, or if it’s the wrong response, it will refuse to start the vehicle.

Transponder keys really bolster an automobile’s security system. In the old days, a car thief could hot wire a car’s starting system or simply break open the ignition cylinder, start the car and drive away. This has all changed with the advent micro-technology and computerization. And anything that makes it tougher on the bad guys must be good.

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