Method for counting signatures employing a weighing technique

Details Method for counting signatures employing a weighing technique Method for counting signatures employing a weighing technique

1982-04-21

1984-01-17

Hartary, Joseph W.

Weighing scales

Processes

177 25, 177 50, 364567, 414 21, G01G 1942

Patent

active

044259743

ABSTRACT:
A stack of signatures is delivered to a weighing platform which measures bundle weight. A stored bundle weight is subtracted from the measured bundle weight to yield a difference which is compared against the stored reference weight of an individual signature. If the difference is a multiple of the weight of an individual signature, an indication of a count error is given. If the aforesaid difference is greater than the weight of an individual signature but is not an integral multiple of that weight, an indication of a possible combination error is given. If the difference is less than the weight of an individual signature, a recalibration is initiated to substitute the reference weight per unit with a new value prior to initiation of the next measuring cycle. In the presence of a combination error pattern, a manual count check is made on the subsequent sample to insure a correct count and a recalibration is then initiated.

REFERENCES:
patent: 4043412 (1977-08-01), Rock
patent: 4157738 (1979-06-01), Nishiguchi

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