The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 11, 1994
Filed:
May. 17, 1993
Applicant:
Inventor:
Joel P Childress, Sugarland, TX (US);
Assignee:
ESM International, Inc., Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
B07C / ;
U.S. Cl.
CPC ...
209563 ; 209581 ; 209587 ;
Abstract
A method and apparatus are disclosed for detecting and ejecting articles of different weights in a product and article stream, by varying the dwell and delay time in accordance with the color classification of the products and articles being sorted. The ejector dwell and delay times are determined by the weight of the products and articles, which can be identified by the percentage reflectivity of color wavelengths of interest.