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Apparatus for controlling an odometer and speedometer system of a vehicle

  • US 4,140,970 A
  • Filed: 09/08/1977
  • Issued: 02/20/1979
  • Est. Priority Date: 09/08/1977
  • Status: Expired due to Term
First Claim
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1. Apparatus for controlling an odometer and speedometer of a vehicle cooperating with a rotatable element of said vehicle indicative of movement of said vehicle, comprising:

  • transducer means for generating initial pulses in response to rotation of said rotatable element;

    multiplying means connected to said transducer means for producing a train of pulses upon receipt of each initial pulse, said multiplying means including means for selecting a multiplying factor corresponding to an existing condition of the vehicle affecting the distance covered by the vehicle per revolution of said element;

    divider means receiving the train of pulses for dividing the train of pulses by a fixed number to produce a subsequent pulse train having a frequency suitable for driving said odometer;

    means for connecting said odometer to receive said subsequent pulse train;

    frequency conversion means for converting said train of pulses into a signal suitable for driving the speedometer; and

    means for connecting said speedometer to said frequency conversion means.

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