| 摘要 |
PROBLEM TO BE SOLVED: To improve an operation rate, and to shorten the residence time of a discharged article, in a weighing device performing quantitative weighing by accumulating each single weight until the number of discharged articles reaches a prescribed number, and by performing combinational selection of residual articles to acquire the final target weight, after reaching the prescribed number. SOLUTION: This device has a characteristic wherein an allowable weight range to the average single weight is narrowed according to the increase of the number of discharged articles during weight accumulation, so that the average single weight falls within a desired weight range when the number of discharged articles reaches the prescribed number. COPYRIGHT: (C)2009,JPO&INPIT
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