Patent US 3911478A
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| Patent number | US 3911478A (click link for details and documents via Google Patents) |
|---|---|
| Title | Method and apparatus for processing test signals which convey information as to gain and delay distortions of T.V. systems |
| Inventors | Charlie Rhodes |
| Company | Tektronix Inc |
| Filing date | 1972-04-05 |
| Grant date | 1975-10-07 |