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. 04, 1995
Filed:
Nov. 18, 1992
Applicant:
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ;
U.S. Cl.
CPC ...
395143 ;
Abstract
A cross point detection part detects respective positions of cross points of an image's edge crossing sides of respective pixels. An approximated area ratio determination part determines respective approximated area ratios obtained as a result of approximating respective area ratios of areas occupied by the image in the respective pixels by using the positions of the cross points. A darkness determination part determines respective darknesses of the respective pixels in accordance with the approximated area ratios.
Kumazaki, Hitomi. (1995). Image drawing with improved area ratio approximation process (U.S. Patent No. 5404431). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5404431
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