Patent · US Expired

Method and apparatus for determining conformity of a predetermined shape related characteristics of an object or stream of objects by shape analysis

US4624367A · kind A · utility

32Cited by
20References
8Claims
0Family size

Inventors

Key dates

Filing dateApr 20, 1984
Grant dateNov 25, 1986
Priority date
Expiry dateApr 20, 2004

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB07C5/366
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

In its simplest sense, the present invnetion contemplates a method and apparatus for determining a characteristic or property of randomly oriented, irregularly shaped objects by obtaining an image profile of the object, selecting a plurality of edge points from the image profile and obtaining therefrom a parameter related to the characteristic or property of the object. Having determined the characteristic or property of the objects analyzed, they can be treated appropriately, for example, sorted and the like.

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