Method of calibrating vehicle speed signals

Details Method of calibrating vehicle speed signals Method of calibrating vehicle speed signals

1989-06-05

1991-05-28

Lall, Parshotam S.

Boots, shoes, and leggings

73 2, 377 30, G01B 2200

Patent

active

050200089

ABSTRACT:
A method of determining a calibration factor used to calibrate vehicle speed signals includes the steps of driving the vehicle over a measured distance, counting the pulses generated while driving the vehicle over the measured distance, and then calculating the calibration factor from the number of pulses counted and a nominal pulse count stored in memory. An indication of the difference in a reference speed using the old and new calibration factors is displayed to the vehicle operator who can then choose to accept or abort the new calibration factor.

REFERENCES:
patent: 3995471 (1976-12-01), Konomi et al.
patent: 4074196 (1978-02-01), Webster
patent: 4217484 (1980-08-01), Gerst
patent: 4491007 (1985-01-01), Crowdes, Jr.

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