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:
Nov. 28, 2000
Filed:
Apr. 04, 1997
Applicant:
Inventor:
Michel Gangnet, Saint-Germain en Laye, FR;
Assignee:
Avid Technology, Inc., Tewksbury, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06T / ;
U.S. Cl.
CPC ...
345442 ; 345474 ;
Abstract
A method of and system for editing a parametric function curve initializes tangent handles at selected keys, up-dates the parametric function curve responsive to the dragging of one of the tangent handles, verifies whether the up-dated parametric function curve is monotonic, and if not monotonic, repeatedly modifies the tangent handles until the parametric function curve is monotonic.