Apparatus for controlling an odometer and speedometer system...

Details Apparatus for controlling an odometer and speedometer system... Apparatus for controlling an odometer and speedometer system...

G - Physics

01

P

354/25, 340/51

G01P 3/48 (2006.01) G01P 21/02 (2006.01)

Patent

CA 1115844

Inventor: Ronald M. Graziano APPARATUS FOR CONTROLLING AN ODOMETER AND SPEEDOMETER SYSTEM OF A VEHICLE ABSTRACT OF THE DISCLOSURE Apparatus for controlling an odometer and speedometer system of a vehicle adjustable for vehicle parameter variations such as tire size and axle ratio including a transducer for generating a plurality of initial pulses in response to vehicle movement which pulses control both the vehicle odometer and speedometer. The initial pulses are multiplied by a multi- plying factor to produce a train of pulses for each initial pulse. The multiplying factor is in binary form and is selected either according to the position of an array of switches or according to a number retained in a programmable downcounter. The train of pulses is divided by a fixed number to create a driving signal for the odometer and is converted by a frequency converter to drive the speedometer.

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