Patent US 4758890A
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| Patent number | US 4758890A (click link for details and documents via Google Patents) |
|---|---|
| Title | Quantizing television horizontal phase to subcarrier zero crossings |
| Inventors | Rory W. Boyce |
| Company | The Grass Valley Group, Inc. |
| Filing date | 1987-04-13 |
| Grant date | 1988-07-19 |