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:
Apr. 17, 2001
Filed:
Feb. 13, 1997
Applicant:
Inventors:
David J. Romano, Lowell, MA (US);
Brian P. Alterio, Arlington, MA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/40 ;
U.S. Cl.
CPC ...
H04N 1/40 ;
Abstract
An article of manufacture includes a medium having a plurality of checkerboard patches recorded thereon. Each of the patches is of equal nominal tint and formed of dots. The dots of each of the patches are of equal nominal size with the size being different from that of the dots forming all other patches. One of the patches is arranged adjacent to all other patches.