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. 21, 1993
Filed:
Oct. 25, 1991
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
382-8 ; 382 27 ; 382 48 ;
Abstract
An operator for detecting the width of a wiring line on a printed board comprises plurality of arms. Pixels on each arm increase in size toward the end of the arm. When the width of a narrow wiring line is detected on small pixels, while the width of a wide line is detected on large pixels. The operater is obtained by converting a wiring pattern signal into a plurality of signals corresponding to different pixel sizes and then combining respective parts of the plurality of signals with each other.