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:
Aug. 01, 1989
Filed:
May. 21, 1987
Applicant:
Inventors:
Satoshi Naoi, Tokyo, JP;
Akira Inoue, Kawaguchi, JP;
Katsuhiko Nishikawa, Kawasaki, JP;
Shigemi Nagata, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364718 ; 364723 ;
Abstract
A method of curve approximation comprises a dividing step for dividing a curve into arcs classified into four quadrant directions according to a normal thereof, each having a single-value monotone increasing or decreasing function, and a calculating step for calculating an approximate curve represented by a curve approximation function by using an interval between end points of each arc as a curve approximation interval.
Naoi, Satoshi. (1989). Method of compressing character or pictorial image data using curve (U.S. Patent No. 4853885). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4853885
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile