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. 27, 1988
Filed:
Jan. 21, 1988
Applicant:
Inventors:
George E Carsner, Iowa City, IA (US);
John V McMillin, Iowa City, IA (US);
Assignee:
National Computer Systems, Eden Prairie, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
235474 ; 235436 ; 235456 ;
Abstract
The present invention relates generally to the field of optical mark readers and mark scanning systems. More particularly, the present invention relates to a method and system for checking the velocity of a scannable document as it travels under the read head of a mark scanning system.