Elevator hitch load weighing tare compensation

Details Elevator hitch load weighing tare compensation Elevator hitch load weighing tare compensation

1992-05-29

1994-09-06

Fuller, Benjamin R.

Weighing scales

Preset

Responsive to load receiver

177 1, 177 3, 177 6, 177 2513, 177 2519, 177 50, 177164, 177132, 187133, G01G 1314, B66B 300

Patent

active

053450426

ABSTRACT:
In an elevator hitch load weighing assembly, a load cell provides an analog load signal to a summer 12, where an analog tare compensation signal is subtracted from the load signal prior to a compensated load signal being provided to an analog-to-digital converter (ADC) 20; the digital load signal is provided to a remaining tare subtractor 26 where tare remaining in the digital load signal is subtracted and a payload provided.

REFERENCES:
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patent: 4181946 (1980-01-01), Loshbough et al.
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patent: 4573542 (1986-03-01), Schlegel et al.
patent: 4630696 (1986-12-01), Kemnitz
patent: 4648056 (1987-03-01), Wakefield
patent: 4793442 (1988-12-01), Heckler et al.
patent: 4939679 (1990-07-01), David et al.
patent: 5119893 (1992-06-01), Jost

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