Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1978-01-26
1979-09-04
Rolla, Joseph J.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209583, 356 71, 235375, B07C 534
Patent
active
041665406
ABSTRACT:
An automatic document sorter particularly suitable for sorting retail store coupons employs a plurality of relatively coarse sorting processes in cascade. The sorting processes sequentially sort the documents according to predetermined properties of the document, including codes, such as bar codes or the like; physical properties, such as size, thickness, color, reflectivity and opacity; the characteristics of the inscriptions on the face of the document; and any uniquely marked areas of the document face. Such a sorting hierarchy permits the documents to be sorted rapidly by reducing the precision required in each sorting step. The hierarchy also permits each document to be classified during each sorting step as falling into a particular class of documents in order to simplify subsequent sorting steps. If a property uniquely identifying the document is found during any one of the sorting steps, the processing is terminated at that point without completing the subsequent sorting steps.
REFERENCES:
patent: 2950799 (1960-08-01), Timms
patent: 3480785 (1969-11-01), Aufderheide
patent: 3774040 (1973-11-01), Stephanos
patent: 3800155 (1974-03-01), Potenza
A. C. Nielsen Company
Rolla Joseph J.
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