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Transponder Keys

 

 

 

 

The automobile industry is using what is called a Magnetic Coupled Transponder system. The “Magnetic Coupled Transponder” system is passive in nature. What this means is that the system does not require constant flow of electricity and does not need a power source of their own.

The key identification is similar in most automotive transponder systems.

   1. The key is inserted into the ignition lock cylinder and    turned to the on or run position.

   2. An induction coil mounted around the ignition lock sends    out an electromagnet field of energy.

   3. The coil in the transponder chip absorbs the energy and    power up the electronic transponder chip to emit a radio    frequency signal that the vehicle before starting the vehicle.

 

The signal is most generally an alphanumeric set of digits, which is considered the Identification Code. The induction coil reads the signal then sends it to the computer brain to recognize the signal. If the signal is recognized as being in the computer’s memory, it is accepted and the other electronic components in the vehicle are set into motion to allow the starting of the vehicle.

Transponder chips appear in several different shapes and sizes and can be used in different types of applications such electronic automobile key identification.

 

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