Combination weighing machine having short search

Details Combination weighing machine having short search Combination weighing machine having short search

1984-02-16

1985-08-20

Goldberg, E. A.

Weighing scales

Processes

177 25, 177 50, 364567, G01G 1900, G01G 1922, G01G 1952

Patent

active

045358567

ABSTRACT:
A combination weighing machine for forming a charge of product closely approximating a target amount includes a plurality of weigh scales, each of which receives a quantity of product and produces a signal proportional to the quantity of product received. The quantities are combined according to a combination searching sequence in a search operation, and a combination of scales which closely approximates a target amount is dumped to form the desired charge. The dumped scales are reloaded, and the process is repeated in a cyclic manner. The speed of the cyclic process is improved without significantly sacrificing accuracy by allocating less time than necessary for a complete search of all possible combinations in the search sequence. A search is terminated when the time expires, whether the search sequence is completed or not.

REFERENCES:
patent: 4396078 (1983-08-01), Minamida et al.
patent: 4416341 (1983-11-01), Hirano
patent: 4466500 (1984-08-01), Mosher et al.

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