1987-02-01

The Emergence of a New Sensor for Ignition Timing 870471

This paper will discuss sensors used for ignition timing today and examine a new sensor based upon a technology proven in the automotive market. Hall effect vane sensors have been used for many years, however, to improve performance and reduce cost, a Hall effect probe sensor has been developed. Traditionally. Hall effect sensors have required that either a magnet or fabricated vane target be mounted on a rotating shaft in order to receive position information. The new probe sensor utilizes a specially designed integrated circuit to sense changes in magnetic flux densities created by the proximity of a metal target such as a geartooth.This sensor was designed with the automotive market specifically in mind. Included in this composition will be the benefits which can be derived from the incorporation of this type of sensor and how this represents the next level of advancement in ignition timing applications.

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