Patent US 4947440A
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| Patent number | US 4947440A |
|---|---|
| Title | Shaping of automatic audio crossfade |
| Inventors | Robert Bateman, Donald R. Christensen |
| Company | The Grass Valley Group, Inc. |
| Filing date | 1988-10-27 |
| Grant date | 1990-08-07 |
| Cites |