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. 05, 1988
Filed:
Apr. 12, 1985
Applicant:
Inventors:
Assignee:
Fujitsu Limited, Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
364582 ; 356355 ; 356432 ; 364518 ; 355 / ;
Abstract
An apparatus for evaluating density-evenness of patterns printed on an article includes a circuit for calculating density distribution of the image data in each segment; a circuit for normalizing the density distribution with an area of effective image data in each segment; and a circuit for quantifying the density and evenness of the patterns.