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:
Nov. 02, 1982
Filed:
May. 30, 1980
Applicant:
Inventor:
Michal M Feilchenfeld, Penn Hills, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
3401 / ; 235436 ; 235456 ;
Abstract
In a document scanning scheme where data is preceded on the document by a preprinted document scan mark, circuitry is employed to utilize multiple line scans of the scan mark by a line scan camera to verify the presence of a scan mark and avoid erroneous response to random marks on the document.