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Automotive glossary: What is a Hall Effect Generator or Hall Effect Pulse Generator?

Definition of Hall Effect Generator: In order to control the ignition timing, the control device has to know about the number of revolutions and the current position of the engine. In modern automobiles, it is told about this by the Hall effect pulse generator, or shortly Hall effect generator. It delivers, depending on the engine condition, a pattern of voltage pulses to the control device, so it can trigger the ignition accordingly. The Hall effect generator utilizes an electromagnetic effect, which has been discovered by the US-American scientist Edwin Hall. According to it, a probe, that is traversed by electricity and located in a changing magnetic field, provides a correspondingly changed voltage.

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