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:
Oct. 06, 1998
Filed:
Jan. 31, 1995
Applicant:
Inventor:
Tsuneaki Kurumida, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T / ;
U.S. Cl.
CPC ...
345442 ;
Abstract
A curve conversion apparatus can automatically convert a cubic curve into a quadratic curve and automatically convert data for outline font that are constituted by cubic curves and straight lines into data for outline fonts that are constituted by quadratic curves and straight lines. According to this apparatus, control points of a cubic curve, such as a cubic Bezier curve or a cubic B spline curve, are employed to acquire control points of a quadratic curve, and the acquired control points are stored.