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:
Dec. 02, 1980
Filed:
Nov. 21, 1977
Michael J Piovoso, Newark, DE (US);
Edmund H Smith, Jr, Wilmington, DE (US);
William E Wolf, Newark, DE (US);
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
An automatic on-line computer-aided inspection system for a running web utilizing a transverse web scanning means, detection means incorporating feature extraction and processing circuitry for generating unique output signals corresponding to said web scanning characteristic of web features of inspection interest, means converting the output signals to digital data words input sequentially to a digital computer, said computer applying one or more algorithms to said words, thereby calibrating the values of said features of said words, comparing said calibrated feature values to at least one set of product-qualifying values held in memory, and means responsive to the computer classifying the web as acceptable or non-acceptable as regards areas of preselected marketable size in the web.