Patent US 4905172A
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| Patent number | US 4905172A (click link for details and documents via Google Patents) |
|---|---|
| Title | Method of generating and transmitting digitally distorted test signals |
| Inventors | William C. Randle |
| Company | Tektronix Inc |
| Filing date | 1988-07-21 |
| Grant date | 1990-02-27 |