Patent US 4831447A
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| Patent number | US 4831447A |
|---|---|
| Title | Method and apparatus for anti-aliasing an image boundary during video special effects |
| Inventors | David E. Lake Jr. |
| Company | The Grass Valley Group, Inc. |
| Filing date | 1987-11-16 |
| Grant date | 1989-05-16 |
| Cites |