Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1997-03-10
1999-05-11
Nguyen, Tuan N.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209900, 235375, B07C5/00
Patent
active
059018550
ABSTRACT:
An apparatus for sorting and rearranging mails in the sequence sorting is disclosed, in which a multiplicity of mails are loaded in a sorter controlled by a computer to cause the sorter to perform a plurality of sorting passes. A delivery information list has recorded therein the delivery information including the sequence sorting and addresses. A serial number list has stored therein two-digit serial numbers including first-order digit of serial numbers for the first sorting pass and second-order digits of the serial numbers for the second sorting pass set in the sequence sorting corresponding to the delivery information list. A recognition unit recognizes the address of each of the mails loaded in the sorter and sorted in the order of the first-order digit of the serial number. A number-of-mails matrix table records the number of mails by the address recognized in the recognition unit in the first sorting pass. Before the sorting operation by the second-order digit, the second-order digit of the serial number is reassigned based on the number-of-mails matrix table to prevent the overflow at any bins or stackers during the sorting operation by the second-order digit. Then, the mails sorted by the first-order digit are loaded in the sorter in the order of the particular serial number to perform the sorting operation in accordance with the reassigned second-order digit of the serial number.
REFERENCES:
patent: 5353938 (1994-10-01), LaGrange et al.
patent: 5363971 (1994-11-01), Weeks et al.
patent: 5421464 (1995-06-01), Gillmann et al.
patent: 5493106 (1996-02-01), Hunter
Kawaoka Akihiro
Uno Kaori
Hitachi , Ltd.
Nguyen Tuan N.
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