Importance

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Abstract

Articles entered into a sorting system are identified by means of an article identification device 1. An allocation ratio is selected from an allocation ratio table 7 based on the identifying information from the article identification device 1. Chute selection information is obtained for a sorter 2 based on the allocation ratio by means of a calculator 6, which in one embodiment uses a random number generator 8 to make a weighted calculation and a deviation reduction mechanism 11 to reduce the deviation of the accumulated weighted calculation results. A controller 3 selects a chute 4 such that the articles entered into the system will be distributed in accordance with the article allocation ratio, and provides the chute selection information to the sorter 2. The sorter 2, based upon the chute selection information, conducts sorting by dropping the articles entered into the system into the appropriate chute 4.

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First Claim