Combination weighing machine with adaptive signal correction

Details Combination weighing machine with adaptive signal correction Combination weighing machine with adaptive signal correction

1984-01-20

1985-07-16

Tarcza, Thomas H.

Weighing scales

Processes

177 25, 177 50, 364567, G01G 700, G01G 1922, G01G 1941

Patent

active

045290504

ABSTRACT:
A combination weighing machine has a plurality of weigh scales which provide signals representative of the weight of product in each scale. A search control receives the weight signals and selects a combination of the scales which together compose a charge of the product equal to or closely approximating a given target weight. Transient errors existing in the weight signals at high speeds of operation are corrected by means of adjustment parameters that are periodically recalculated on the basis of known differences between settled and unsettled weight signals.

REFERENCES:
patent: 3805903 (1974-04-01), Muskat et al.
patent: 3986012 (1976-10-01), Lashbough et al.
patent: 4137568 (1979-01-01), Dlugos
patent: 4164260 (1979-08-01), Blodgett
patent: 4316516 (1982-02-01), Kupper
patent: 4413739 (1983-11-01), Kohashi
patent: 4448272 (1984-05-01), Keller et al.
patent: 4466500 (1984-08-01), Mosher et al.

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