Patent US 4963967A
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Patent number | US 4963967A (click link for details and documents via Google Patents) |
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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 |