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:
Sep. 04, 1979
Filed:
Aug. 30, 1977
Applicant:
Inventor:
Edmund H Smith, Jr, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B07C / ;
U.S. Cl.
CPC ...
209587 ; 209598 ; 250563 ; 356398 ; 356431 ;
Abstract
An electro-optical inspection system for a binary patterned web which automatically determines registration and the quality of subjects of inspection by comparison with a master pattern stored in the memory of a computer and then passes or rejects individual subjects of inspection depending on the outcome of the comparison effected.