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Class Information
Number: 345/420
Name: Computer graphics processing, operator interface processing, and selective visual display systems > Computer graphics processing > Three-dimension > Solid modelling
Description: Subject matter wherein complex objects are represented as a combination of simpler shapes or primitives and the relationships between them.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5448686 |
Multi-resolution graphic representation employing at least one simplified model for interactive visualization applications |
Sep. 5, 1995 |
| 5440674 |
Mesh generation with quasi-equilateral triangulation for finite element analyses |
Aug. 8, 1995 |
| 5432704 |
Adaptive lamina generation for shape dependent process control and/or object decomposition |
Jul. 11, 1995 |
| 5428715 |
Three-dimensional figure data generator device |
Jun. 27, 1995 |
| 5428717 |
Methods for converting concave polyhedra to their convex hulls |
Jun. 27, 1995 |
| 5428719 |
Method and apparatus for generating high-quality pattern in accordance with an edge defining a character pattern |
Jun. 27, 1995 |
| 5416729 |
Generalized solids modeling for three-dimensional topography simulation |
May. 16, 1995 |
| 5414801 |
Computerized method and apparatus using containment relationships to represent objects in a three-dimensional space, and for moving therethrough |
May. 9, 1995 |
| 5412563 |
Gradient image segmentation method |
May. 2, 1995 |
| 5412762 |
Geometric modeling method and apparatus therefor |
May. 2, 1995 |
| 5412763 |
Method for displaying an image of a portion of the inside of a three-dimensional physical structure |
May. 2, 1995 |
| 5410643 |
Compressed image production storage transmission and processing |
Apr. 25, 1995 |
| 5410645 |
Methods for generating free curves and sculptured surfaces |
Apr. 25, 1995 |
| 5404426 |
Method of displaying hair style and apparatus for the same |
Apr. 4, 1995 |
| 5404428 |
Method and system for updating derived items in a view model which includes multiple coordinate systems |
Apr. 4, 1995 |
| 5402531 |
Method for producing offset surface and offset solid |
Mar. 28, 1995 |
| 5402532 |
Direct display of CSG expression by use of depth buffers |
Mar. 28, 1995 |
| 5390292 |
Apparatus for converting a gregory patch |
Feb. 14, 1995 |
| 5388199 |
Interactive graphic input system |
Feb. 7, 1995 |
| 5379371 |
Displaying method and apparatus for three-dimensional computer graphics |
Jan. 3, 1995 |
| 5377118 |
Method for accurate calculation of vertex movement for three-dimensional topography simulation |
Dec. 27, 1994 |
| 5369736 |
Texture mapping method |
Nov. 29, 1994 |
| 5363476 |
Image converter for mapping a two-dimensional image onto a three dimensional curved surface created from two-dimensional image data |
Nov. 8, 1994 |
| 5353390 |
Construction of elements for three-dimensional objects |
Oct. 4, 1994 |
| 5351196 |
Method and apparatus for solids based machining |
Sep. 27, 1994 |
| 5345490 |
Method and apparatus for converting computed tomography (CT) data into finite element models |
Sep. 6, 1994 |
| 5345546 |
Method and apparatus for generating fillet surface between two surfaces |
Sep. 6, 1994 |
| 5341461 |
Method of rendering a two dimensional drawing into a three dimensional drawing, using a CAD program |
Aug. 23, 1994 |
| 5339386 |
Volumetric effects pixel processing |
Aug. 16, 1994 |
| 5333244 |
Method of and system for displaying a scalar quantity distribution |
Jul. 26, 1994 |
| 5333248 |
Method and system for the smooth contouring of triangulated surfaces |
Jul. 26, 1994 |
| 5313567 |
Arrangement for determining and displaying volumetric data in an imaging system |
May. 17, 1994 |
| 5313568 |
Three dimensional computer graphics employing ray tracing to compute form factors in radiosity |
May. 17, 1994 |
| 5305430 |
Object-local sampling histories for efficient path tracing |
Apr. 19, 1994 |
| 5299297 |
Method for enhancing three-dimensional interference checking |
Mar. 29, 1994 |
| 5289567 |
Computer apparatus and method for finite element identification in interactive modeling |
Feb. 22, 1994 |
| 5287489 |
Method and system for authoring, editing and testing instructional materials for use in simulated trailing systems |
Feb. 15, 1994 |
| 5283859 |
Method of and system for generating images of object transforms |
Feb. 1, 1994 |
| 5282140 |
Particle flux shadowing for three-dimensional topography simulation |
Jan. 25, 1994 |
| 5278949 |
Polygon renderer which determines the coordinates of polygon edges to sub-pixel resolution in the X,Y and Z coordinates directions |
Jan. 11, 1994 |
| 5278983 |
Boundary representation solid modeling system |
Jan. 11, 1994 |
| 5274752 |
Outline data image drawing apparatus applying image drawing direction rules and image drawing rules |
Dec. 28, 1993 |
| 5272642 |
CAD/CAM device with hierarchical data structure |
Dec. 21, 1993 |
| 5271093 |
Video display apparatus for filling the interior shapes of contour |
Dec. 14, 1993 |
| 5268997 |
Computer graphic system for detecting interference between adjacent graphic elements |
Dec. 7, 1993 |
| 5265197 |
Geometric modeling apparatus |
Nov. 23, 1993 |
| 5251290 |
Modeling method for sorting dependencies among geometric entities |
Oct. 5, 1993 |
| 5243694 |
Method and apparatus for trimming B-spline descriptions of patches in a high performance three dimensional graphics system |
Sep. 7, 1993 |
| 5226109 |
Three dimensional computer graphic symbol generator |
Jul. 6, 1993 |
| 5226113 |
Method and apparatus for volumetric projection rendering using reverse ray casting |
Jul. 6, 1993 |
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