Patent · US Expired

Apparatus for sizing and sorting articles

US4687107A · kind A · utility

96Cited by
13References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 1985
Grant dateAug 18, 1987
Priority date
Expiry dateMay 2, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S209/939
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Apparatus sorts articles according to any combination of plural criteria, including volume or diameter, length, shape, weight, color, density and surface quality. A light sensitive dynamic random access memory and novel processing circuitry are utilized for providing indications of the article's volume, diameter and length.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.