Recalibration of hitch load weighing using dynamic tare

Details Recalibration of hitch load weighing using dynamic tare Recalibration of hitch load weighing using dynamic tare

1992-05-29

1994-08-30

Skudy, R.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187133, 177132, B66B 300, G01G 1914, G01G 1952

Patent

active

053430034

ABSTRACT:
A single load cell 10 both (A) measures the load on a elevator hitch providing an analog elevator load signal on line 11 to an analog-to-digital converter 20 via line 18, for providing a digital elevator load signal and (B) is used for providing a dynamic tare of elevator load weighing system for calibrating the analog-to-digital converter 20 by adjusting an analog reference voltage (V.sub.ref) until the digital elevator load signal is equal to the dynamic tare.

REFERENCES:
patent: 4330836 (1982-05-01), Donofrio et al.
patent: 4674605 (1987-06-01), McPherson
patent: 4793442 (1988-12-01), Heckler et al.
patent: 4939679 (1990-07-01), David
patent: 5119893 (1992-06-01), Jost

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