Patent US 4963967A
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| Patent number | US 4963967A |
|---|---|
| Title | Timing audio and video signals with coincidental markers |
| Inventors | Steven Orland, Robert W. Parish |
| Company | Tektronix Inc, National Broadcasting Company, Inc. |
| Filing date | 1989-03-10 |
| Grant date | 1990-10-16 |
| Cites |